Fender amplifiers produced between 1967 and 1983 are referred to as "silverface" because of the brushed aluminium face plate. The larger Fender silverface amplifiers, such as the Twin Reverb and the Bassman, are not as highly prized as their tweed and blackface predecessors. However, the smaller silverface amplifiers such as the Champ, the Princeton Reverb, and the Deluxe Reverb, are highly regarded. The Deluxe Reverb Silverface replaced the original Blackface Deluxe that was discontinued in 1966. Replacing the tubes on old amplifiers is an essential step in keeping them functioning at the top of their game. Retubing a Deluxe Reverb Silverface is relatively easy. However, you should have a professional bias the tubes.
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Things you need
- Fender Deluxe Reverb Silverface replacement tube set
- Contact cleaner
Buy tubes for the Fender Deluxe. Amplifiers are wired for specific tubes, and it is essential to use the correct tubes. Fender Deluxe Reverb Silverface amps use two 6V6 power tubes and four 12X7 preamp tubes. A set of tubes for the Deluxe Silverface can be purchased for about £65.
Remove the old tubes. Unplug the amplifier from the wall. Don't change the tubes while they are still warm. Grasp the bottom of the tube, and gently pull it from the socket. Safely store the old tubes if they are still in good shape. You may want to use them later.
Clean the tube sockets. Dirt and debris builds up in the tube sockets. Spray contact cleaner into the tube socket. Clean dirt and grime with a small brush, such as a toothbrush. Spray WD-40 into the tube socket.
Install the new tubes. Align the notch in the tube with the notch in the tube socket. Insert the tube and slightly twist it until it is firmly in place. Squeeze the retainer tip of the socket for extra security. This process prevents the tubes from becoming loose.
Make an appointment to have the tubes biased. When you replace all the tubes in your amplifier, it important to have them biased. Biased tubes have a longer lifespan and the sound quality is better. Biased tubes negotiate the happy medium between crossover distortion and the standing current in the power tubes. Biasing is better left to a professional amplifier repairman.
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