See More. Location: Lake Saint Louis, Missouri, US, Others have argued using lower spec PT's to get the b+ back down results in a sweeter sound. operation and other output voltage combinations please see our. The stack is 1.4" thick and overall dimensions are 2.5"W x 3.5"L x 3.0"H. Mounting pattern is 2.5" x 2" on (4) 1/4" slots. For 6V6GT push pull I have used 6950 ohms when PS output rating was 260-0-260 and did like its sound more than when 8000 ohms was used with 300-0-300 and 8500 ohms with 325-0-325. Shipments will be made within 1 business day of payment. - except as noted, For "universal" primaries and/or 50 / 60 Hz. A tiny Hammond PT is adequate for something like a Tweed Princeton/Champ, This one has a tapped HT winding (for a 'lower powered' amp sound option). Oops, looks like you forgot something. We are converting over to a USA built product on several of our models this past year. @ 144 mA, Specification Sheet for 600 V C.T. You must log in or register to reply here. AS-3T275C 300VA 275V-0-275V + 6.3V + 6.3V Tube Amp Power Transformer & Cover, {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}. I think it depents what output transformer impedance you use? @ 80 mA, Specification Sheet for 700 V C.T. 6.3V@2A will ensure solid performance for a 6V6 and 12AX7. And I might look for a 40 watt or 50 watt OT for 6L6's or 5881's. Lead wires are 600V rated and 6"Long minimum. So, I might look for a 20w or 18w OT for 6V6's. Its leads have been trimmed and are approximately 4-6 in length. I buy all of my electronic parts from AES.

The latter would certainly end up running a lot hotter b+ than the schematic, but I have heard some argue that it may actually be driving an old amp with modern outlet voltage that makes people love vintage gear so much. Tough one. PT275.2 (USA) POWER TRANSFORMER TUBE AUDIO (550Vac) 275-0-275 x100mA. Items must be returned in original, as-shipped condition with all original packaging.Learn More. http://tdsl.duncanamps.com/tubesearch.php. The fit is not perfect but it mounts with a tiny bit of modification to the amp chassis. I just bookmarked it. @ 115 mA, Specification Sheet for 600 V C.T. In most circuits this can overcome the difference in B+ voltages when using tube or diode rectifiers. @ 201 mA, Specification Sheet for 700 V C.T. For US domestic shipping (2) PT's will ship securely in one Flat Rate Envelope Box- at (3) PT's figure on the Medium Flat Rate Box method For international shipment or Canada, there is a 4# (1 transformer limit per Flat Rate envelope now) - you will need to choose Medium Box for an international shipment of 2 or more PT's or make individual shipments per part. AxB(xC). Must be ordered. triad choke pair usa transformers picclick transformer ohm readouts different electronics DESCRIPTION: This is a Vertical Mount Tube Power Transformer with 115Vac and 120Vac Inputs & 275-0-55V-275V output (100mA), 1x 6.3Vac(3A), 1x 6.3/5Vac(2A) Outputs. http://thesubjectmatter.com/calcptcurrent.html, Low voltage on cathodes of EL84 output tubes. @ 155 mA, Specification Sheet for 640 V C.T. @ 86 mA, Specification Sheet for 380 V C.T. Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape. 21 watchers, 0.2 new watchers per day, 136 days for sale on eBay. |Imprint |Privacy policy @ 138 mA, Specification Sheet for 750 V C.T. It may not display this or other websites correctly. I typically just try to find out what other amps using those power tubes are using. You are the salt of the earthYou are the light of the world PT275.2 (USA) POWER TRANSFORMER TUBE AUDIO (550Vac) 275-0-275 x100mA, PT275.2 (USA) POWER TRANSFORMER TUBE AUDIO (550Vac) 275-0-275 x100mA 2, PT275.2 (USA) POWER TRANSFORMER TUBE AUDIO (550Vac) 275-0-275 x100mA 3. Mo- to Fr 9:00 bis 18:00, EU time, 2022 don-audio.com Shipping weight will be 3.5LBS EA XFMR to anywhere the US Postal Service will send a box inside a Flat Rate Padded Envelope. In most circuits this can overcome the difference in B+ voltages when using tube or diode rectifiers. Something went wrong. Please check the fields highlighted in red. 40va It isn't though more like a question about two transformers. 6 sold, 0 available. Payment via Paypal only & Immediate Payment required via Buy-It-Now. A schematic is included on the box and the leads are tagged to indicate hook-ups. Condition: New USA built Power Transformer, Country of Manufacture: United States, Model: PT275.2 USA, Country/Region of Manufacture: United States, MPN: PT275.2 USA, Brand: Musical Power Supplies Inc, Type: USA Version Power Transformer Phone Support For those customers who need the 115V input - nothing has changed - simply use the White & Gray wires and tape the Black wire (see above schematic). Ships to: WORLDWIDE, hammond transformer ma power The unit is new construction, varnished and enclosed in Bahr's (USA) vertical zinc plated case with full mount flange. My bias resistor which is supposed to be 470 ohms measures out to 460 ohms. @ 172 mA, Specification Sheet for 600 V C.T.

* All prices are final prices in EUR including the valid value added tax/VAT. @ 287 mA, Specification Sheet for 620 V C.T. Now regarding the OT. A very well built classic power transformer. You are using an out of date browser. 0 Members and 1 Guest are viewing this topic. Note- the taps on the mains will also serve to adjust the output voltages ~5%. The words Fender, Telecaster, Stratocaster and the associated headstock designs are registered trademarks of the Fender Musical Instruments Corporation. @ 58 mA, Specification Sheet for 550 V C.T. Looking for general input. @ 104 mA, Specification Sheet for 550 V C.T. @ 230 mA, Specification Sheet for 480 V C.T. Well-packed and prompt delivery. This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. I look for a generic OT for that wattage. JavaScript is disabled. This transformer is a great replacement for the 1950s Seeburg jukebox amplifiers. were kept as close as possible to the original part to preserve the stock "tone". For Horizontal Mount, see, Primary 115 VAC, 60 Hz. Hammond Manufacturing Ltd. All rights reserved. Special order only. Thanks. Super high amount watching. AS-3T275C 300VA 275V-0-275V + 6.3V + 6.3V Tube Amp Power Transformer & Cover, - eBay Money Back Guarantee - opens in a new window or tab, - for PayPal Credit, opens in a new window or tab, Learn more about earning points with eBay Mastercard, - eBay Return policy - opens in a new tab or window, - eBay Money Back Guarantee - opens in a new tab or window. Units can be run full wave bridge or full wave C.T. @ 287 mA, Specification Sheet for 250 V C.T. If you factor in a 10-20% surplus current rating, the PT will run a bit cooler and last longer. I just built a Blackface Champ using the Hammond 290AX. TDPRI, short for Telecaster Discussion Page Reissue, is the leading online community and marketplace for Telecaster guitars. +492158 692 95 54 I am planning a blackface vibrochamp build for my dad for christmas. Seller: muzicalmatt (2,472) 100%, A schematic is included on the box and the leads are tagged to indicate hook-ups. 2022. It will be the power source for my tube transmitter for amateur radio. It has a few extra taps but the voltages are exactly what is needed. Note: Gray wire is actually BROWN on only our Part Number P-T278CX. @ 57.5 mA, Specification Sheet for 500 V C.T. Excellent quality product. Payment via Paypal only & Immediate Payment required via Buy-It-Now. |VAT The packaging may add an additional pound or so, but the unit is indeed around the 12lb mark. @ 172 mA, Specification Sheet for 800 V C.T. 310-0-310 will drive the 6V6 really nicely at about 340VDC on these amps. Conservative designs - CSA certified (209651). Note- The 6.3V and 5V windings DO NOT have centertaps. These are the same great designs we've built since 2007 with the single largest complaint fixed - they are now available in a USA build at just a small increase in price. For a 5Y3GT or 5AR4, this is 5V@2A. pvi fimer tl inverters Your purchases also help protect forests, including trees traditionally used to make instruments. Note- the taps on the mains will also serve to adjust the output voltages ~5%. Ready for shipment in 15 days, PRP Audio Metal Film Resistors PRP9372 1/2W, CARUSO-ISO-BOND 100mm WLG 045 Absorber fleece plate 1200x600x100mm. @ 46 mA, Specification Sheet for 600 V C.T. @ 71 mA, Specification Sheet for 450 V C.T. @ 144 mA, Specification Sheet for 550 V C.T. We are converting over to a USA built product on several of our models this past year. That gave me a B+ at 336 vdc. @ 126 mA, Specification Sheet for 800 V C.T. These are the same great designs we've built since 2007 with the single largest complaint fixed - they are now available in a USA build at just a small increase in price. That is helpful. Please contact Hammond's sales team for more information. Very happy I could save another amp from the parts pile. Lead wires are 600V rated and 6"Long minimum. http://el34world.com/Forum/index.php?topic=22555.0, https://www.reverbnation.com/sunshineindustries37, http://thesubjectmatter.com/calcptcurrent.html, Quote from: BlackCrowe604 on October 30, 2017, 11:21:04 pm, http://www.hammondmfg.com/pdf/EDB291AX.pdf, http://www.hammondmfg.com/pdf/EDB290CAX.pdf. There are no products in your shopping cart. This is a new transformer built in the USA to our orignal design. Copyright 2008-2022 PicClick Inc. All Rights Reserved. @ 103 mA, Specification Sheet for 720 V C.T. Seller assumes all responsibility for this listing. @ 75 mA, Specification Sheet for 520 V C.T. Blond, 6G7-A, Blackface, AA763, AB763, Silverface, AC568, AD1269. @ 81 mA, Specification Sheet for 550 V C.T. Shipments to Florida will require Sales Tax. @ 75 mA, Specification Sheet for 500 V C.T. | @ 115 mA, Specification Sheet for 300 V C.T. Good question: What B+ to target? 378x evatco This is a new transformer built in the USA to our orignal design. The stack is 1.4" thick and overall dimensions are 2.5"W x 3.5"L x 3.0"H. Mounting pattern is 2.5" x 2" on (4) 1/4" slots.

Copyright 1995-2022 eBay Inc. All Rights Reserved. power transformer Oi! I have two PT's hanging around from old radios that seem like they would be in the ballpark of ok. One is a 275-0-275, and the other is a 325-0-325. These Flirty HOA Women. Shipments will be made within 1 business day of payment. |RSS Feed. Note- The 6.3V and 5V windings DO NOT have centertaps. I'm I reading too much into this? Watch this gear and we'll notify you if it becomes available again. ~45mA, and for a 12AX7 its about 2mA, (3mA tops), so a 50mA HT rating is the bare minimum I'd use. for the maximum tube current that will be seen. Any thoughts on which would be preferred? Amp circuits were also different but I think stressing tubes with more current produce sweeter distortion. It looks like that piece of gear is gone. I build and repair tube amps and I can get all of my parts from one place Antique Electronic Supply. 0% negative feedback. The unit is new construction, varnished and enclosed in Bahr's (USA) vertical zinc plated case with full mount flange. @ 172 mA, Specification Sheet for 1,000 V C.T.

2,472+ items sold. You guys don't have to buy me any gifts or parties or anything. I do feel it's a safe thing to say that The Kinks are the greatest rock band of all time. @ 535 mA, Specification Sheet for 800 V C.T. @ 230 mA, Vertical Mount.

Material used & design specs. The transformer works well, but you may need to splice additional wire onto its primary or secondary leads in order to install for your application. @ 201 mA, Specification Sheet for 750 V C.T. If you buy any other MPS transformer on the same day I will combine up to 20Lb of transformers into one Flat Rate Box & refund any differences from individual auction shipment fees immediately upon shipping. Physically, parts were designed to look similar to original factory units (where possible). You can also reduce your B+ with different rectifiers and/or resistors if it's too high, but you can't make it any higher if it's too low. |AGB AES ships fast and is well packaged. @ 104 mA, Specification Sheet for 550 V C.T. @ 115 mA, Specification Sheet for 360 V C.T. I prefer PT's with standup mounting rather then thru chassis mounting but have used both. Shipments to Florida will require Sales Tax. I just like more room inside the chassis of my scratch builds. (For a 6V6 in Class A with an optimum load this is about 1.2 x the idle current, i.e.

@ 230 mA, Specification Sheet for 850 V C.T. PT275.2 (USA) POWER TRANSFORMER TUBE AUDIO (550Vac) 275-0-275 x100mA. Life is a daring adventure or nothing at all. 10 years of dedication and I'm finally level 2! @ 173 mA, Specification Sheet for 550 V C.T. Shipping weight will be 3.5LBS EA XFMR to anywhere the US Postal Service will send a box inside a Flat Rate Padded Envelope. Item: 162956731656 For those customers who are seeing too high a secondary voltage due to higher primary line voltages (roughly 125V input) - use the White & Black wire and tape the gray wire (see schematic). Blackface, Silverface, AA1069, AA270, AA763, Blackface, AA864, AA165, AB165, Silverface, AA270, 5C1, 5E1, 5F1, Tweed, Blackface, Silverface, AA764, Blackface, Silverface, AA763, AB763, AB868, A1172, A1270, Volume Boost, Tweed, Brown, Blackface, Silverface, AA964, AA1164, AA764, B1270, Blackface, Silverface, Silverface, Blackface, AB763, AC568, AA763, Brownface, Blackface, AA763, AB763, Silverface, AB568, AA270, AA769, AA270, Silverface, AB763, Blackface, 100, Enclosure sizes with Your purchases help youth music programs get the gear they need to make music. Part numbers with stars are new sizes or packaging configurations. @ 69 mA, Specification Sheet for 480 V C.T. |Battery disposal information If you buy any other MPS transformer on the same day I will combine up to 20Lb of transformers into one Flat Rate Box & refund any differences from individual auction shipment fees immediately upon shipping. The Hammond Power Transformers are top quality. DESCRIPTION: This is a Vertical Mount Tube Power Transformer with 115Vac and 120Vac Inputs & 275-0-55V-275V output (100mA), 1x 6.3Vac(3A), 1x 6.3/5Vac(2A) Outputs. Great seller with very good positive feedback and over 50 ratings. This transformer has been used and installed in an amplifier and is a working pull. View cart for details. By clicking Subscribe, I agree to receive exclusive offers & promotions, news & reviews, and personalized tips for buying and selling on Reverb. |Links Hey thanks! 3) to meet the rectifier filament draw on the rectifier winding (if you want a tube rectifier). @ 230 mA, Specification Sheet for 600 V C.T. Because the low B+ on the original schematics (~355) wasn't anything like what the amps ran in reality (which was more like the late schematics' ~410). You get what you pay for and it is worth it. I used the 275-0-275 tap. For a better experience, please enable JavaScript in your browser before proceeding. For US domestic shipping (2) PT's will ship securely in one Flat Rate Envelope Box- at (3) PT's figure on the Medium Flat Rate Box method For international shipment or Canada, there is a 4# (1 transformer limit per Flat Rate envelope now) - you will need to choose Medium Box for an international shipment of 2 or more PT's or make individual shipments per part. Designed for drop in replacement of original units. The 'classic' voltage output for Fender Tweed Princetons and Champs is 325-0-325VAC. The main thing is you need enough current: 1) on the heater winding to feed the total heater demand (plus a pilot lamp if your lamp is powered from the 6V winding), 450 + 300 + 150 = 900mA. Resistors - 1 Watt, Carbon Film, 5% tolerance, Resistors - 10 Watt, Wirewound, Power, 5% tolerance, Resistors - 1 Watt, Metal Oxide, Power, 5% tolerance, Resistors - 5 Watt, Wirewound, Power, 5% tolerance, Transformer - Hammond, High Voltage Plate, 115 VAC, 50 / 60 Hz, Transformer - Hammond, Toroidal Power, 110V / 220V secondary, Transformer - Hammond, Toroidal Power, 240V secondary, Transformer - Hammond, Toroidal Power, 117V / 234V secondary, Transformer - Hammond, Toroidal Power, 18V / 36V secondary, Transformer - Hammond, Toroidal Power, 30V / 60V secondary, Specification Sheet for 200 V C.T. Why? Click Part No, below, for details (e.g., Product drawings, assembly instructions, ship weight) Part numbers with stars are new sizes or packaging configurations.