![]() ![]() (65) Compare Bundle and Save Fender Mustang Micro Guitar Headphone Amp 119. ![]() and are listed herein for reference purpose only. The Harvard was Fenders least expensive professional Transformer measures 36. Sure you can get one of these amps, unserviced, with cosmetic wear, and junky original speaker in the cheap cab, etc. Model names are trademarks and sole property of Fender Musical Instruments Corp. This Musicmaster Bass amp is like no other. These are the numbers you will find stamped into the chassis. * DISCLAIMER: Radio Daze and Hammond Manufacturing are not affiliated with Fender Musical Instruments Corp. FENDER AMP Chassis Serial Number DATE CODES. Fender Musicmaster Bass Amp 12W 1x12 Combo Silver Panel 1970s. Fender Musicmaster 6V6 Tube Bass Amp 12W 1x12 Silver Face 1970s. Silverface, Blackface, AB763, AC568, AA763īrownface, Blackface, AA763, AB763, Silverface, AB568, AA270 Fender Musicmaster Bass Combo - transformer codes appear to date this as a 1971. Tweed, Brown, Blackface, Silverface, AA964ĪA1164, AA764, B1270, Blackface, Silverface I've been looking around for one of the Eminence/Fender Special designs but unfortunately, the ones I've so far found locally are overpriced, to the point where they're as much as some of the models I listed are new.Fender Power Transformer Application Chart - Part2 Click Part Number Below For Price An affordable, hand-wired vintage amp for. This one has an upgraded Jensen C12R speaker. He had quite a nice selection of NOS tubes at his shop that I may just give a go since I mainly want to use this for recording. Originally designed for bass, these make great little guitar combo amps. I have a pretty good tech (Ferg of Ferg's Amp Shop in Nashville) that I plan to take it to once I find a speaker & save a little extra for his troubles. Wouldn't hurt my feelings to make it beefier though, there's always room for more beef! I hear a lot about a transformer swap but, to my ear, this guy is already pretty loud.this coming from a guy who has played Tweed Bassmans, Ampeg V4's, and Twins over the last few years. I know the guy did quite a bit of work but not sure of exactly every single thing he did. This one has already had new(ish) tubes installed. Fifty bucks should buy you a nice clean one, maybe even two on a good day.įezz knows where you can get fifty buck Red Fangs. In many cases, you will see four digits following that code. ![]() On many Fender amp transformers, that code is 606, which stands for the manufacturer Woodward-Schumacher. second i would put in a better Output Transformer to get more low end from it. The first three digits are a special code for the manufacturer of the transformer. i would sell the cab and speaker and re-house the amp in a small head case and pair it with whatever cabs you have. If you have $60 burnin' a hole in your pocket and you're near Allen Amps try an Allen TO11C.įinally, the budget speaker for these is the fifty buck hand me down Eminence / Fender Special Design removed from a Blues Junior or a DRRI. This engraving will have six to seven digits. It's weird they used a transformer that rolls off the bass in a so called "bass" amp. The stock output transformer is like tryin' to wheeze a thick milk shake through a cocktail straw. Swap the stock 220 ohm bias resistor for 250 ohms while you're in there. The company was still keen to experiment, even with publicity, and came up with this unusual ad ( right ) showing an X - rayed amplifier. made tubes still last five times longer than new Russian tubes!īoosting the plate voltage to 350v-400v will wake these right up. Found in countless Fender models including original and reissues of the following: Fender Princeton Reverb Fender Deluxe. This is the standard reverb driver transformer used in most Fender amps that use a 12AT7 and transformer driven 4AB3C1B tank. There's the number on your "half worn " tubes. Replacement reverb driver transformer for the Fender part numbers 125A20B, 022921, and 037099. Those will go in excess of 10,000 hours in that amp. These pages are dedicated to the greatest amplifiers ever made. Don't replace them just because they're old! They'll last forever at 290v. Not only that but the stock tubes are the heavy duty wafer base 6V6GTAs. The usual hassle with '70s Fenders is too much voltage. Here's the thing: Both versions use the same wimpy power transformer that puts 290v on the plates. The early version got 6AQ5s, power switch is on the volume pot. ![]() Power switch on the front is the late version with 6V6. The way the transformer wires are now, they dont affect the volume of the hum when moved, jiggled, prodded. Fezz knows where you can get fifty buck Red Fangs.Ĭouple notes: I can see what you have at a glance. 1 Just received a 6v6 version Musicmaster Bass Amp. ![]()
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