Second tube is the reverb driver. I got it on a multi instr trade back around 1986. It plugs, adjusted the gain a little, and it plays live. Hre to learn everything you might need to know about dating vintage Fenders. To contact the forum owner hit the Contact Us link. Click a Fender tube amp in this list to jump to its description below. Plug a good bass, both in channel 1 than in 2, and play! That amp is likely a 1970 or 1971, adn it will be a '70- or '71 circuit.
He used it lightly and infrequently only in his bedroom till 6-7 yrs ago when it completely crapped out. Header tube amp, 4 for amplification and three small lamps for préamplication. Recently I have come across a silverface Twin Reverb at the local music store and I'm not entirely sure what year the amplifier is. Seems like you were pretty close Wally! It works well with any pedals I put through it too. I have had a sound guy ask me to turn up! The best estimate is that about 100 of these were made before the circuit was revised.
Up until the end of the blackface era 1967 , all amps left the factory with a tube chart that had a two letter date code stamped on it. Do not attempt to use 5Y3, 5V4 or 5U4 types. Many thanks to Andrew Waugh for his help with the 1982-84 tube amps. Get a good clean sound is childish. The tube chart is a diagram detailing what kind of tubes are installed in your amplifier.
This is severe duty and will use up the tube's cathode quickly. As with all tube amps, it's only a good deal if it's serviced and has new spec tubes. I immediately set out to do some research and see if this particular project was even possible for somebody of my ability. Third tube is the vibrato oscillator. Transformer codes would give more info as to actual date for you within a few months or so. This is an ultra-linear Twin Reverb.
Paul Linden has volunteered to fill in for Greg. Are you facing the back of the amp. He used it lightly off and on till 5-6 yrs ago when it finally crapped out completely. I chose to order the complete Bassman kit, which includes all of the small parts, all three transformers, as well as a brand new chassis and new faceplates. I'm on a fender precision of 80 years.
These modifications are making this research more difficult for a couple of reasons. The codes will date the amp and establish originality of components at the same time. Advances have been made with regards to the production of 1960-67 tolex amps and it appears that much of this information can be applied to late 1950s tweed amps as well. The Bass channel was voiced for just that. It is reasonable to finally have one of two icons with the of the 70 at home.
If the heater shorts to a cathode in this tube, the amp will not work properly. Still, I bought it tomorrow if it is necessary! In addition to A23373, it appears the stamping machine stuck on serial number A23378 as four distinct amps with this number has been reported. Some early Fender 6L6 tube amps can use any of these types. These have not been observed or reported so the answer remains unknown. The earliest version had 12 coupling caps. I do not just use it unfortunately because it is too big for my apartment.
I eventually sobered up and built the pedal, and I found—much to my surprise and delight—that it sounded great! I can drive the 8ohm cab harder quite easily, which gives lovely gritty tones. Admitidly, most of this work is being done by the Marshall, but all of that sound is comming through the Fender. In any case when I get er runnin its gonna be sweet! When doing cruncher amp sound is absolutely daunting, but what I prefer is to stick a fuzz. The first editions used the grill cloth with the orange-rust vertical stripe, changing back to the metallic turquoise weave in early '78. There will be amps with serial numbers that lie outside of the listed ranges. These letters are the production date code for the amplifier. The power tubes in almost all Fender tube amps were either 6V6s or 6L6s.
These were almost always at the extreme left of the chassis, when looking at the rear of the amp. Also in the lower right corner of the tube chart is printed 027948 Heres the front. Third tube is the driver and reverb recovery amplifier. Here is my experience with these sonic oddities. The Code on the tube chart of your Fender Amp is made up of two letters. Pushing the preamp, you get a slight crunch in the grave to sully a little stuff.
It's a remote possibility you have a 1964 with a silverface face plate stuck on it, but I've never seen that before there's always a first time. And the sound is rock and roll crunch is a warm and fun makes me hallucinate. They are all usually within a few months of each other. The Freedmans sit on top of the quady as they are a narrower box with same depth as the top of the quad. For now, I have not found anything that suits me much.