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Fender musicmaster amp transformer for free#
Fender musicmaster amp transformer mod#
Fender musicmaster amp transformer full#

Supplying musical equipment for over 30 years. If you have a schematic or layout that’s not on this list, please send it to us and we’ll put it up. UKs biggest Guitar Shop & Music Store, including Birmingham, London, Manchester & Leeds Guitar Stores. We believe that this is the most complete, highest resolution collection of vintage Fender schematics available on the web. These are invaluable reference tools if you are digging around inside of your vintage Fender amplifier. aka Musicmaster: instead of a tube based phase inverter, a transformer is.

Fender musicmaster amp transformer for free#

Here are hundreds of original Fender schematics and layout diagrams, available for free viewing and download. Originally the Fender Musicmaster bass amp was designed as a complement to the. AB165 to AA864 'plus' tweed preamp for BLACKFACE AB165.

Fender musicmaster amp transformer mod#

"1/2 Blackface" Mod for Ultralinear Fenders.

I am considering the musicmaster transformer made by classictone. I am considering using one triode as an ordinary gainstage and the second triode as a cathode follower driving the interstage transformer. Bassman, Bassman Ten, Bassman 100, Bronco, Champ, Deluxe Reverb, Musicmaster Bassman. It will be a 100w guitar amp (quad of 6l6 or el34, 1k75 primary, 395-473V plate voltage) and I prefer to start with 12a7 tubes. There's a price it seems and with this design, that's the price, wrong iron isn't just a little off, it's like you've wired it up wrong it sounds that bad EQ wise. FENDER 'BLACKFACE' KIT This kit changes the circuit design of your late 60s or 70s vintage Silverface Fender Amp to the. Output iron is critical, as is PI coupler, I've never seen a design so dependent on ' friendly' iron. The amps I've made are about double the power of an original eh-150, retain the original circuit and pre- amp tubes and they do that amazing thing the original does, which BTW I've never heard another amp do. The way the transformer wires are now, they dont affect the volume of the hum when moved, jiggled, prodded.

Fender musicmaster amp transformer full#

Not too exciting until you reached around 50 percent on that volume knob.Īfter that point the goodness kicked in and around 7 on the dial, where most amps start to cave in, this thing was just starting to wake up, turn it up to full from there just released an incredible harmonic rainbow and lots of volume, and lots of distortion, but very pleasing distortion, forget marshall fender etc, this is better.įor anyone interested in making a clone, you don't need a field coil speaker, just wire up a normal output transformer to a normal speaker. 1 Just received a 6v6 version Musicmaster Bass Amp. The one I heard only had one control, a volume. The first time I heard a Gibson with one of these interstage transformers as a PI, I was shocked. Tube phase inverters are cheaper and do "well enough" that transformer phase inverters are uncommon unless the designer has some strong motivation to require their use. When looking at circuits, perspective on cost vs "degree of perfection" vs "acceptable performance" gets lost. The 1948 article linked earlier was printed after much experimentation to develop the other schemes shown was done.īy the time Fender is building amps in the very late 40's and into the 50's, a transformer phase inverter was probably seen as "antiquated" (along with costing more, and being a source of hum if not well-shielded) unless you're building an amp that really needed the transformer (as in mention of Class AB2 amps developing a lot of power). Using tubes to create an "electronic phase inverter" was a later development, judging from articles from the 30's (though perhaps the research & publication began earlier).

Never mind that, but there was more than the normal background valve amp hum (Twins are usually very quiet). The legs were not there and it had no casters, only 'glides'. I was a little disappointed when I went to pick up this Ebay win as it had clearly been recovered. If you turn the push-pull output transformer around backwards (and scale it down), you can take a single-ended input signal and convert it to a center-tapped push-pull output signal. Another Fender Twin needing a bit of TLC. Fender Musicmaster Bass Combo - transformer codes appear to date this as a 1971 749 Used Good Add to Cart Fender Musicmaster 6V6 Tube Bass Amp 12W 1x12 Silver Face 1970s 725 Used Very Good Add to Cart Fender Mustang GTX50 120V Combo Amp 399. Why not check out one of these alternate options Transformer - Hammond, Guitar Amplifier, replacement for Fender, 120 V Designed for drop in replacement of original units. You could use a transformer to convert a center-tapped push-pull signal into a single-ended signal to drive the speaker. Home Products Transformers & Chokes Item Unavailable Sorry You are trying to check out one of our items which is no longer available. There was a time when push-pull operation was a new concept. Was it worth it to you to reduce your bottom-line by $200k? Take that $20 extra the transformer runs you in my earlier post, then make me 10,000 amplifiers.