Heyboer output transformer

 





CUSTOM MADE 5E3 OUTPUT TRANSFORMER Paper layer wound transformers, just like the originals. Does not fit the JCM900's but could be adapted as an upgrade. two 100mFd @ 350VDC units X 2 will be stacked with equalizing resistors across them to bring capacitance to about 68mFd at over 600VDC Texosound Bernie "Custom" model. I could use any transformer winder out there but for nearly all my customs builds or refurbs, I use Heyboer trannys and chokes WAY WAY more then any other. Jul 29, 2018 · @autospec Will, please give Classic Tone Transformers a call as well. 3vac/9. Classictone 40-18030 has two primary input tabs which are 5k and 8K. Watts / Primary / Secondary. One from Nov/Dec '67, a very early example. The utmost care and attention goes into the construction of every Kingsley product. Apr 11, 2017 · The new one is bone stock while the old one from 2013 has a Heyboer output transformer spec'd on an original Blue Line transformer. Jan 30, 2018 · This is supposed to be exact spec to the old Dagnall C1998 OT from the 1968-71 1959 amps, the transformer that evryone drools over. Next step will be to replace the first two sections of the electrolytic can capacitor with new radial units under the chassis on terminal strips. " Heyboer Peerless S265Q transformer pair. Our standard service is us postal 1st class. Way too muddy and grainy when distorted. I've worked with Heyboer in the past to get old transformers rewound and they know HEYBOER 5E3 OUTPUT TRANSFORMER. Clean is decent but this is probably my least favorite of the bunch. I've heard good things about Heyboer too. Hammonds are good also but the reason the Heyboers are so popular here is because they were designed after the original Radio Spares that Marshall used in the real 18 Watt Marshall amps. What Leo did, his genius, was to deliberately inhibit the low frequency response of the amplifier by Aug 20, 2014 · The new A470 transformer has been ordered from Heyboer Transformer Co. I would be fine dropping $75-$100 over heybor or classic tone Depending on the build. 6A X 4 = 6. 40-18113 ClassicTone # 40-18113, Fender Style, 100W, 2K to 4 / 8 Ohm, Output Transformer with Vintage Style Raised & Offset Mounting 40-18113 $110. Starting at: $36. Mar 18, 2007 · Now that we have the sad news of Magnetic Componets/Classic Tone going belly up, the transformer choices are smaller. The end result was perfect, and the cases on both of these things were usable without any mods. Hot glue sticks in many colors, useful for rebuilding capacitors and transformers, are available from glu-stix. Clean is fantastic. Now named Lightening and Thunder, we've changed vendors and are building even bigger, more robust transformers in smaller handcrafted runs. Custom Heyboer Transformers , made in the USA; 12ga custom laser-machined chassis; Premium matched and tested tubes from Ruby Tubes with unparalleled 6 month warranty; 50W and 100W models utilizing your choice of EL34 or 6L6 output tubes, and 200W models featuring a quad of KT88 output tubes. Another reason they are popular is that it has the required , extra 6. Have a look at RJ guitars, he has a lot of TW iron. A very good question, one I wish I could answer definitively. It shows the hot ( 240V which I assume is 120 to me here in NJ) going to one side of the switch and the other side connected to "0" I don't know which color wire is related to "0" I have 2 blacks labeled 120v Looking for which wire is the other side of the the power And then there are the Bassman O/Ts with 4, 8 and 16ohm output taps. Been a great tranny and the price was right so I'm glad I got it. It never seemed happy no matter how I set it. The power transformer was pulled from a Baldwin Organ and the output transformer is a custom-wound Heyboer. Contact Orange USA for those. A. Per Heyboer calculations the larger transformer will make approximately 40% more power. ClassicTone # 40-18110, Fender 5F1 Tweed Champ Style Output Transformer, 4 Ohms. This output transformer has convenient flying leads, paper bobbin, vintage grade steel, multiple secondary windings, additional interleaves and splits and the unused ultralinear tap on Sep 29, 2014 · This brings up a related question. Dual speaker outputs with 3-way rotary impedance selector (4/8/16 ohms) Custom hand-wound Heyboer transformers used exclusively Apr 08, 2016 · Harmonics control (rear panel) adds extra depth and chime to the overall output in a uniquely musical way. Feb 25, 2010 · By all accounts Heyboer make as good a transformer as Mercury. Peerless S-508a PP Output Transformer. The new output transformer is an Allen/Heyboer “TO-20. I found a Hammond (Model 274BX) that looks like it will work as a substitute and I would like some confirmation on that. compared to Hammond trans with a filament winding of 6A. 82. Classic Tone output transformer. Nov 09, 2015 · So what output transformers do I like these days? I'm a Mercury dealer and I also deal Mojotone as well. Power and output transformers for our guitar amplifiers are custom made for us by Heyboer Transformers. Tech tip: If you ever have to replace an output transformer in a Portaflex amp with PC board: B15N, B18N,etc. Four El34, 6L6 or 6550 power tubes. Estimated delivery within the USA is from 3 to 7 business days. We warrant our parts to be free of manufacturing defects and in Apr 05, 2015 · 17382 Hayes St. My Heritage SVT-CL has a Heyboer output transformer instead of the stocker, and people at Ampeg have told me the Heyboer does sound a little tighter at higher volumes. May 20, 2008 · HTS-5200 isn't a Rocket output transformer. This also has a multi-secondary output transformer and an impedance switch to allow you to use many different speaker combinations using either 2, 4, or 8 ohm load. 2x EL84 cathode-biased output tubes . These are for a JTM or variant (I used them in an Egnater “seminar” amp, a JCM800 clone). I recently emailed Mojotone about upcoming availability for their low power 5e3 OT that fits their 6g2 chassis-. And yeah, Mercury Magnetics is really good. Nov 23, 2009 · Media By kwalker. 4k primary plate load. Output trans. Sep 05, 2014 · Today I received a new Heyboer Dynaco 470, NTS-8093 (their part number for it) that is intended as a replacement for a Dynaco A470 output transformer. 3vac/4. Output Transformer Primary Impedence Calculation. Jul 01, 2019 · The Heyboer copies of the Peerless S-265-Q passed the test with flying colors. Made in USA to original specs by our friends at Heyboer. Line voltage around here is always 125vac to 128vac. Posts: 3045. This is my favourite all around amp. 3v CT @ 3. I got the Heyboer after a couple discussions on here and some consultations with Ampeg employees who were very big on it. . self leads secondary wires M6 steel historically accurate color codes historically accurate specs The finest OT you can use in a golden era Superlead. Both they and Edcor do custom work, and take those needs seriously. 1x ECC832/12DW7 reverb drive/recovery tube. Mounting on: 92mm x 83mm-96mm (oblong holes) W x H x D: 112mm x 135mm x 137mm. In my opinion, today’s Marshall output transformers used in the reissues series overall are lacking, with my least favorite being the tone in the 100 watt 1959 SLP reissue. I've had plenty of Metroamp Clones with the best MM,Heyboer transformers and SoZo caps and they sound close but still missed something compared to my original 70,72,73,76,77 Marshalls with OEM Drake and Dagnall transformers and Mustard caps. 70. Aug 06, 2009 · That's why a clone is a clone. 6k (Good for single EL84 or 6V6 tube) Secondary speaker taps @ 4,8 & 16 ohms 8-10 Sep 29, 2014 · This brings up a related question. This should allow 100% modulation at 100Hz without distortion. It shows the hot ( 240V which I assume is 120 to me here in NJ) going to one side of the switch and the other side connected to "0" I don't know which color wire is related to "0" I have 2 blacks labeled 120v Looking for which wire is the other side of the the power Jul 04, 2018 · The power transformer puts out really nice voltages as does the output transformer. Two EL84 Output, EZ81 Rectifier, (2) ECC83 Preamp Tubes. It uses two EL-34 output tubes and a heyboer 50 watt plexi output transformer. That transformer came from my search for an output transformer for my PP-18 amp kit (a stripped-down version of the classic Marshall 18W amp of the ’60s). , 4, 8, 16 Ohm with screen taps. X Mount with 3-1/2'' 2-hole mounting centers. I was happy yesterday when I bought an era correct Drake for my amp so I'm anxious to have my tech install it. Primary: A 1 Orange. The output tranny built for me by heyboer has the correct 3. Primary wire colors: RED, Brown, Blue Secondary colors: Black, Yellow. The Legendary 20W Doberman Music Products AX84 Semi-Universal Single-Ended Output Transformer (made by Heyboer Transformers in the USA) is available again for a limited time. Customer Images: No Images yet! Submit a product image below! Submit your own product image! Leave this field blank. There is currently an industry wide transformer shortage. Dual speaker outputs with 3-way rotary impedance selector (4/8/16 ohms) Custom hand-wound Heyboer transformers used exclusively . As Mark Fowler suggests the 470 style output is the way to go. TO8S Heyboer output transformer is rated 8,000 ohms primary to 8 ohms secondary. May 05, 2020 · A larger transformer will fit with lamination size of 3-1/8" x 3-7/8" and stack depth of 1-13/16". I like the 6. Out Of Stock! We will notify you when this product becomes available. And you can't beat the price that Classic Tone is selling them for. Dealer pricing available. Default Title - £85. Knobs. Heyboer makes great stuff. DC Filament Supplies Unlike most modern tubed amps, Loesch designs feature AC on the power tubes' filament supplies (heaters), rather than DC. Output transformer has the ability to accept a wide range of tubes from EL-34, 6CA7, KT-77, 6L6GC, 5881, KT-66 and 6V6’s without need to impedance mismatch. Oct 22, 2017 · The transformer you want is a Fender Bassman transformer. Mar 31, 2018 · Review (mpn: HTS-9411 for sale) HTS-9411 HEYBOER Transformer model Audio Power Tansformer 022772 9411. Jul 01, 2020 · Go to Hammond, Classic Tone, Mojotone (for Heyboer) and their transformers have specs for output (VAC at 120 volts in usually) such as 620 VAC center-tapped (B+) at . 360 ClassicTone 40-18035 18watt 290v CT @ 120mA 5v or 6. The Tamura F-5002 Amorphous cores are in a class by themselves, otherwise I tend to source things "locally. Sep 07, 2013 · It is time to mount the transformers and make this puppy look like an amp. Heyboer, by comparison uses closest modern equivalents of classic materials. Valve junior replacement output transformer. and 511vdc after the two chokes into the first cap. it was too late to turn up the volume enough to feel the difference. Tube Rectified. Chuang Meei doesn't have that information available anywhere - for any of the various manufacturers they supply. It's exactly the same as a Super Reverb transformer in all respects except it's a 4 ohm output impedance instead of a 2 ohm. Ex RARE * Peerless 4813 MC stepup transformer, CD line, DAC transformer. 6k (Good for single EL84 or 6V6 tube) Secondary speaker taps @ 4,8 & 16 ohms 8-10 Transformers-> (35) Heyboer Reverb Drivers (1) Mercury Magnetic Power Tansforme Mercury Magnetic Output Transfor (6) Mercury Magnetic Chokes and Driv Heyboer Power Transformers (12) Heyboer Output Transformers (14) Heyboer Chokes (2) Tubes and Tube Accessories-> (36) Wire (11) Fuseholders (3) Jacks and Plugs (10) HEYBOER 5E3 TWEED DELUXE Transformer Set, Power and Output trans, USA made: $149. Most IE lamination transformers use M19 or M27 laminations. TO11S Heyboer paper stick wound interleaved output transformer. I've asked Heyboer about the difference between their 784-139 output versus Mojotone sold half the price but never got an answer,. An Edcor GXPP15-n-8K works well as a budget option. Sep 15, 2009 · Join Date: May 2006. Loosely based on the blackface Champ™ with AB763ish reverb added. Demeter do the OEM stuff- I don't know if you can get them as an aftermarket part. This U. Could I use this transformer appropriately in my Class5, utilizing the 5K primary? I guess the simpler question (if known) would be "what is the primary impedance of the stock Output Transformer?" Transformers-> (35) Heyboer Reverb Drivers (1) Mercury Magnetic Power Tansforme Mercury Magnetic Output Transfor (6) Mercury Magnetic Chokes and Driv Heyboer Power Transformers (12) Heyboer Output Transformers (14) Heyboer Chokes (2) Tubes and Tube Accessories-> (36) Wire (11) Fuseholders (3) Jacks and Plugs (10) Marshall 1968 Plexi Output Transformer Change From A Classic Tone To A Marstran/Heyboer. This comes with a new Heyboer extra heavy duty power transformer, which has more metal core and the heaters can handle a few extra amps than their regular replacement version. #3. Friendly right out of the box. OPTION "A". Aug 24, 2014 · A new output transformer is being made by Heyboer Transformer Co. MADE IN USA! And in stock now! Made to same specs as Classic Tone 40-18022. Raa ca. MADE IN USA! And in stock now! Reverse engineered/custom wound by Heyboer for Tube Audio Supply Output trans. Very expensive. My DIY Marshall 1987 inspired amp. Quantity. 95. Tech tip: If you ever have to replace an output transformer in a Portaflex amp with Potted drop in output transformer OT214 for your Ampeg B15N and B12N. Location: Denver, Colorado. As in the case of my Dagnall C1998 clone output transformer. Reproduction power transformers for the solid state rectified model are available from Heyboer. Everyone from the hobbyist to the largest manufacturer, can benefit from our experience in design and manufacture of these specialised parts. Apr 19, 2007 · The fact that Heyboer hasn't specified 385-0-385V and they've included a bias winding leads me to suspect it's 385V across the whole secondary. by Heyboer Perfectly tailored for the VJR Mounts right to the existing mounting holes All wiring is color coded to match the original transformers Also performs great with a 6V6 power tube Specifications: Primary: 6. 5 amps, 6. Jul 04, 2018 · The power transformer puts out really nice voltages as does the output transformer. For my Dagnall clone, I used two examples of this output. It was initially used on TAG members Express amps but found to be too bright, it was then used on the Liverpool amp. The Dynaco A470 is an ultra-linear transformer with a primary winding equipped with a center tap, two screen grid taps and two plate leads. Further, you can choose our new premium OT, The Heyboer US Thunder, designed and built in the US. Depending on voltages required, transformers are either Heyboer or Magnetic Components "Classic Tone". 0A That transformer came from my search for an output transformer for my PP-18 amp kit (a stripped-down version of the classic Marshall 18W amp of the ’60s). The output transformer was also supplied by Triwec and carried four (or more) part numbers: 3778, T-3778, E-3778A and 340-3778. Tech tip: If you ever have to replace an output transformer in a Portaflex amp with Selling these two transformers from a build I did. As we mentioned earlier, Magnetic Components Classic Tone transformer and Heyboer’s Output transformer both wound on paper bobbin. Bernie amp approx. All hand-wired PTP circuit board & silver Teflon wire. Basically I used the Musician's Amplifier scheme, with a few modifications. I also installed a larger-valued power supply filter capacitor for the main supply voltage. Apr 01, 2019 · they are Heyboer PT and Classictone OT. It is basically the above TO8C unit mounted the "short way" and without the 4 ohm tap. But I really don't need a 2-channel integrated nearly as much as I need a 4-channel (or more) basic amp, because I like biamping and surround. It also covered the fact that IMHO transformers are the last thing I would add to the output stage of a solid state power amplifier because output transformers like this contribute so much to the sound quality of an amp – and not in a way that would make better sound, again IMHO. Output transformer for: Marshall® Major like used from 1967 to 1974 in the model numbers 1966, 1967, 1978. Potted drop in output transformer OT214 for your Ampeg B15N and B12N. -Bray spec'd custom-wound transformers by Heyboer, including 100-watt sized output transformer -Gold color 16 gauge zinc-plated steel chassis -3 ECC83 preamp tubes, 2 EL34 output tubes -Adjustable input voltages of 100v, 120v, 220v, 230v/240v -Input jacks: The HI jack offers the most gain and aggression. 1x ECC83/12AX7 preamp/tremolo tube. Speaker 1x10" Celestion G10N-40 / Cab size 18"x 16"x9". S. specs: 8K Primary, 8 ohm secondary. It no way implies any endorsement of Jensen products by the companies and/or individuals listed here 20th Century Fox 3M A Designs A&M Records ABC - American Broadcast Corp ABC News Adamson Systems Aguilar Amplification Alaska Aerospace Corp. There were some British OTs available off-the-shelf (supposedly made for Marshall in recent years), but they seem designed down to a size – as if to fit into a 1U rack mount box – and Our original transformer set was already impressive - offering a lot more iron than our competitors. Click to zoom in. Location: 53207. This output transformer has convenient flying leads, paper bobbin, vintage grade steel, multiple secondary windings, additional interleaves and splits and the unused ultralinear tap on May 20, 2021 · Sep 26, 2015. These are one of the factors that contribute to Hayboer’s praised harmonic detail and usable tone. Both units are manufactured by Heyboer. peerless sq tube amplifier output transformer (20-20 plus series) #2 Heyboer Peerless S265Q transformer pair Ex RARE * Peerless 4813 MC stepup transformer, CD line, DAC transformer May 18, 2006 · Transformer. Made in USA to original specs by our Friends at Heyboer. The Heyboer transformer set is really good and usually it would be an upgrade as many kits come with Chinese transformers. I have a pair of Heathkit W4-AM monoblocks and one has a defective power transformer (in the photo, the amp on the right is fitted up with the incorrect transformer). and it isn't marked on the Transformers are rewound by Ed Dinning (England) and Heyboer Transformer . Newly-Manufactured Aftermarket Replacements For Originals. There were some British OTs available off-the-shelf (supposedly made for Marshall in recent years), but they seem designed down to a size – as if to fit into a 1U rack mount box – and The output transformer was also supplied by Triwec and carried four (or more) part numbers: 3778, T-3778, E-3778A and 340-3778. I'll post in a schematic in a day or two. Same primary impedance and same iron. Location: Maldon, England. (That’s why an SVT weighs so much, its OT is the size of a Oldsmobile!). , cut the old wires close to the transformer base. Onboard iron includes ISO (formerly Tango) output transformers, custom built Heyboer power transformers, and vinatge American filter chokes. This is easily verified though by carefully measuring the output across the HV before connecting it in circuit. Mar 20, 2016 · The original rca jacks were terrible in these amps, making bad contacts and having intermittent grounds. Paper layer wound transformers, just like the originals. Cpastore Holdings Limited T/a Allparts UK Unit 2 TRADA Business Campus Stocking Lane Hughenden Valley High Wycombe Buckinghamshire HP14 4NB Phone: 01494 410050 Output transformer for: Marshall® Major like used from 1967 to 1974 in the model numbers 1966, 1967, 1978. In the meantime, I will be ordering new resistors for the PC board. Hammond is now making output transformers with normal 0-4-8-16 secondaries! Their model 1650TA is good for a 100 watt and 1650KA for a 50 watt. 50. Please note, the past year has been a perfect storm in the transformer Mar 02, 2013 · Yesterday’s post covered output transformers on tube power amplifiers and why they were needed. Alembic Guitars … The new replacement transformer and filter chokes were designed and sold by Bill Abate K3PGB and manufactured by Heyboer Transformer Co of Grand Haven, MI. The Mercury product is expensive. 2. 00. Hammond is real good too but their prices can be a little high. S The original rca jacks were terrible in these amps, making bad contacts and having intermittent grounds. Classic Tone makes great stuff. The new rca jacks are tight and have a solid ground. 1. Eventually settled on parallel EL34s. Heyboer will also build to any specs you supply. 0A Feb 16, 2013 · Just wiring up the transformers and I have a question on the layout for the 120v power. May 18, 2006 · Transformer. 3vac tap for the ez81 rectifier. I've contacted all the transformer repair, rewind, replace options that have been suggested (Fisherdoc, Transcendar (not currently active), Gary Brown, Brian Sowter, and Heyboer) and the least expensive to date has been replacement transformers for $120USD each plus shipping to Canada from Heyboer. DETAILS. CE component certified. Could I use this transformer appropriately in my Class5, utilizing the 5K primary? I guess the simpler question (if known) would be "what is the primary impedance of the stock Output Transformer?" 40-18113 ClassicTone # 40-18113, Fender Style, 100W, 2K to 4 / 8 Ohm, Output Transformer with Vintage Style Raised & Offset Mounting 40-18113 $110. Out of Stock. They are Heyboer’s from Mojotone. Available on: Output Taps: 4/8/16 Ohm. Heyboer are supposed to be a big step up from those cheap tranformers used in low cost amps from Fender and Marshall. Featuring: Made in the U. It has a Mercury Magnetics choke and output transformer and a Heyboer po I've had pretty good luck with Electra-Print myself and can recommend them. If you take a look at the prices for the transformers for something run of the mill like a tweed or a blackface, Mercury’s prices aren’t to far out of line. The amp worked 100% last time it was used -- probably 40 years ago. superior quality M6 lamination: 5 1/4", Stack: 2 5/8". Contact Mojo Tone for in-stock Heyboer audio transformers. Transformers-> (35) Heyboer Reverb Drivers (1) Mercury Magnetic Power Tansforme Mercury Magnetic Output Transfor (6) Mercury Magnetic Chokes and Driv Heyboer Power Transformers (12) Heyboer Output Transformers (14) Heyboer Chokes (2) Tubes and Tube Accessories-> (36) Wire (11) Fuseholders (3) Jacks and Plugs (10) Marshall 1968 Plexi Output Transformer Change From A Classic Tone To A Marstran/Heyboer. For the price you can't beat the Mojo. I don’t like the feel of this transformer, and it has some weird mid-harmonics. Topology. Nov 18, 2013 · In an output transformer, the low frequency response is largely governed by the size or mass of the stack. 5K & 5K primary taps and 4, 8 & 16 ohm output taps. Power transformer supplies 370vdc in GZ-34 tube rectifier mode or 380vdc in ss mode. $ 242. Aug 08, 2014 · The output transformer is after all, the final link between the tubes and the speakers. MM vs. Three 7-pin triodes in the preamp. specs: 8K Primary, 8 ohm secondary Mounting specs: 3 1/8" center to center WIRE COLORS: PRIMARY: Red, Brow Nov 14, 2019 · This Peter Dahl transformer is very expensive at $399. USA Made Heyboer or ClassicTone Power and Output Transformers Sprague Atom electrolytic, and choice of Jupiter Yellow or SoZo Blue Moldedb coupling and tone capacitors 1 watt carbon film resistors (metal film in input section) Selling these two transformers from a build I did. This physical orientation relative to the power transformer eliminates any transformer coupled hum and is thus quieter. 4k Ohm. The new replacement transformer and filter chokes were designed and sold by Bill Abate K3PGB and manufactured by Heyboer Transformer Co of Grand Haven, MI. 09-17-2009, 05:08 PM. Custom made N/C Aluminium Chassis & plexi panel. New 2020 USA production! This transformer was originally designed for AX84 tube guitar amp projects like the P1, Hi-Octane, P1-eXtreme and Single Ended lead. Knobs for postwar sets can be found at antique radio swap meets, and from Dave Frush. This is the ubiquitous output transformer for plexi era Superleads. 6amp + 6. Dual speaker outputs with 4/8/16-ohm Dec 30, 2019 · Messages: 184. New 2020 USA production!This transformer was originally designed for AX84 tube guitar amp projects like the P1, Hi-Octane, The Legendary 20W Doberman Music Products AX84 Semi-Universal Single-Ended Output Transformer (made by Heyboer Transformers in the USA) is available again for a limited time. Heyboer, while highly regarded, does not have a very user friendly website and all the different vendors they proprietarily supply have the depth of available specifications all over the map. Drake vs. Heyboer do not manufacture C core transformers, but builds the standard IE lamination transformers. The original voltage ratings on the can electrolytic were marginal in my opinion. They are solid in the bass and have nice air on top, with a well-textured midrange. A couple of years ago I acquired an excellent, newly designed replacement power transformer and pair of filter chokes for the 516F-2. 1x EZ81 rectifier tube . Jun 07, 2006 · Things beyond the scope of this. Gotta LOVE the sound of that Heyboer output! We offer custom manufacturing from manufacturer's original design, or to your specifications. Call it fidelity or whatever you want – just clearer distorted and complex tones and better separation of notes in chords, etc. both are slightly bigger than the original transformers. Full tone stack and presence control. Sorry Folks, materials, labor, and transportation costs have driven up prices. Email me for a quote on discounted, quality mojotone parts, including their excellent heyboer transformers (U. Heyboer also seemed willing, but again, my results with them fall behind the other two. One new HEYBOER transformer co. 4A. Accurate recreation of the Dagnall C1998 100W OT from late '67 to early '70. Amp builders will know all about these – very high quality transformers for a Marshall style build. TEX Bernie 10" speaker. 1960-1980. For A Tone Comparison And Overview. S Dagnall Electronics is probably best known for its audio transformers, as they have been used in some of the most famous valve amps in the world for nearly 60 years. 4+. Reverb (rear panel) sets the overall mix of dry/wet signal. I have kept my prices the same as the Classic Tone transformers that we sold. The bigger the stack, the lower it will go without saturating. 6amps is plenty for a quad of 6550s. Each circuit is designed, assembled and tested entirely by hand. Unlike the 45, which uses a shared cathode, the 50 watt uses a separate cathode arrangement on the first tube, which adds pre-amp gain. (Heyboer-made) output transformer is an upgrade from the original and our tests confirmed a noticable improvement in the tone of the amp after replacing the original output transformer in a Blues Jr. Transformer - Hammond, Output, replacement for Marshall. About; How to 2x EL84 cathode-biased output tubes . Contact them and ask for a quote on part number HTS-4664. Custom wound vintage spec Heyboer output transformer w/M6 grain oriented iron (4/8/16 ohm taps) Heavy Duty 16AWG 8′ power cord SoZo NextGen Blue Molded Vintage, Yellow Mustard Vintage and Mallory 150 capacitors Aug 12, 2021 · Heyboer Transformer - Top Keywords: heyboer, heyboer transformers, classictone transformers europe Aug 12, 2021 Amp Transformers, Output Transformers & Chokes OTs: Heyboer vs. Model HTS hy fender champ replacement vacuum tube power transformer. Trinity are using Heyboer transformers, which are high quality tranformers used by a wide range of boutique amp builders. Cost is $140, but selling the old transformer for about $50 takes the project to $100 shipped. Heyboer Output transformer for older style 100 watt Marshall's. with this transformer. I am leaning toward getting Joe Curcio's power supply board and installing all new electrolytics and other power supply parts. Unlike a stock plexi, the bottom LO jack The original rca jacks were terrible in these amps, making bad contacts and having intermittent grounds. Although it’s a completely separate topic, you should be sure to check the biasing of the output tubes. 9. Beefed up transformer set and power supply for use with 6V6/6L6 power tube and addition of a foot-switchable RAW control. Feb 26, 2018 · No MM transformer for me ,. Apr 29, 2021 · Heyboer Transformers in Michigan, USA, is now making Hiwatt-style OTs, using high-grade lams and winding patterns like the original. TP24 power transformer is made in Chicago. Paper bobbin wound is what was used way back in the 50’s, which is why it’s such a praised sound for amps. May 16, 2021 · One is an output transformer for the small tweeter in the audio output, and the other is the interstage transformer for the output from the audio driver stage to the audio output tubes. 1x ECC823 phase inverter tube. May 20, 2021 · zeppelinofled69 Tele-Meister. Original part #: OT471. You'll need to know the specs for the transformer. Started out with a single KT90 output tube. Aug 30, 2021 · Our custom made Output Transformer set is built by Heyboer to the exact specifications of the original Radio Spares set used in the early Marshall 18 watt amps. I can't pen-point exactly what it is but the Mojo was'nt there. 3v@ 2A 6. But they also told me that it probably doesn't matter so much at lower volumes. Heyboer output transformer. If you want to hear a comparison look up "classic tone transformers" and go to their site. 0amp windings. Dagnall ??? Post by JD » Wed Mar 15, 2006 2:20 am Can you guys explain the output transformer differences? What is the correct Sep 15, 2009 · Join Date: May 2006. Get the 16, 8 or 4 ohm version to suit your speaker cab as there is no multi-tap option. Unfortunately it is not. ” It’s a much beefier part compared to the stock OT (see photos below, new OT is black, stock is silver)). Custom made for Tube Audio Supply in the USA. I cannot afford to discount these USA made HEYBOER transformers. Oversized Heyboer & ClassicTone transformers. Vac filament 6. 3x 12AX7 preamp tubes, 1x 12DW7 tube (reverb driver) 2x 6L6GC power tubes, 50 watts RMS power. 200 W, Ultralinear, 4x KT88,200W max. I tried them both but didn’t see a noticeable difference today. Amp transformer - output transformer - Marshall 18W Heyboer 7046. I have a rather substantial Heyboer (I think) made OT that has 2. Grand Haven, Michigan 49417 Phone: (616) 842-5830 Fax: (616) 842-3731 Send E-mail I find that the Heyboer paper stick-wound and interleaved output transformers with premium core steel and heavy core stacks have typically better clarity or definition than ‘stock’ OTs. Under the 45 or 50 watt Marshall transformers they have a comparison demo between their version of the 50 watt Marshall transformer and the similarly specced Heyboer, Mercury Magnetics, and Weber versions of the same transformer. Drop in potted output transformer for vintage Ampeg Portaflex B18N, B12XT, B18X, B15X, B12XY and others that use a pair of 7027A power tubes. Unlike a stock plexi, the bottom LO jack This also has a multi-secondary output transformer and an impedance switch to allow you to use many different speaker combinations using either 2, 4, or 8 ohm load. May 07, 2003 · The Heyboers are good transformers, I use them exclusively. AC vs. 3 1/4" x 3" mounting centers. But that’s just my opinion. Tweet. It can provide 1500 watts PEP output from the Heathkit SB-220 An alternate transformer is built by Heyboer Transformer located in MI. 20 Watts. I've worked with Heyboer in the past to get old transformers rewound and they know their stuff! Heyboer trannies are great, but sound different than Mercury Magnetics transformers. HeyBoer who makes all of our transformers has not been able to keep up with demand due to covid and supply issues. They recently made transformers to spec for my headphone amplifier, both the 5K:32 ohm outputs and the power transformer. See the TRANSFORMERS page for details. The following is a partial list of customers who have bought products from Jensen Transformers. Output Transformer Heyboer & ClassicTone 18watt OTs provide a really authentic & great sounding tone with 16, 8 & 4 Ohms taps. And a second from mid '69. Mar 08, 2020 · Also, Heyboer makes a killer replacement power transformer for the LK-72A and 299C. The only way I can judge a transformer is by how it works for me, and in that regard I have had great results with MM, even if Schumachers are "better"! For the times when you don't need something unusual, Heyboer have been very good. <br> Feb 16, 2013 · Just wiring up the transformers and I have a question on the layout for the 120v power. I believe they are made by Heyboer and they are first class transformers. 3 VAC at 6 amps, etc. Share.

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