The '57 Custom Deluxe amp's harmonically rich clean tones are
The Fender ’57 Custom Deluxe is an all-tube, hand-wired amplifier. The manual says it recreates the tones of the original classic 5E3 design and delivers about 12 watts of clean output power, with a 12-inch Eminence alnico speaker and 6V6, 12AX7, 12AY7 and 5Y3 tubes.
The document explains the control panel and rear panel: standby and power switches, fuse, tone and volume controls, instrument and microphone inputs, speaker jacks and tube locations. It also gives specifications for power requirements, output, input impedance, speaker, tubes, fuse, dimensions and weight.
| Type | PR 728 |
|---|---|
| Power requirements | 85 watts |
| Output | 12.5 watts into 8Ω @ <5% THD, 1kHz |
| Input impedance, input 1 | 1 MΩ (Instrument input 1, Microphone input 1) |
| Input impedance, input 2 | 136 kΩ (Instrument input 2, Microphone input 2) |
| Speaker | One 12” Fender Special Design alnico by Eminence® (8Ω, PN 7708599000) |
| Power tubes | One pair 6V6GC |
| Preamp tubes | One 12AX7 and one 12AY7 |
| Rectifier tube | One 5Y3 |
| Fuse | F2A L 250V (100V-120V models); F1A L 250V (220V-240V models) |
| Dimensions | Width: 20” (51 cm); Height: 16.75” (43 cm); Depth: 9.5” (24 cm) |
| Weight | 26 lbs. (11.8 kg) |
The specifications list 12.5 watts into 8Ω at less than 5% THD at 1 kHz, and the description states about 12 watts of clean output power.
It uses one pair of 6V6GC power tubes.
It has one 12-inch Fender Special Design alnico speaker by Eminence, rated at 8Ω.
Leave the switch in STANDBY for the first 60 seconds after turning POWER on to help extend tube life.