Fender Tube Reverb Unit Effect (1961)

Fender  Tube Reverb Unit Effect (1961)
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Item # 10005
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Fender Tube Model Reverb Unit Effect (1961), made in Fullerton, California, serial # R00752, Brown Tolex finish.
Height is 11 in. (27.9 cm.), 19 in. (48.3 cm.) width, and 7 1/2 in. (19 cm.) deep.

This is a practically pristine and very early example of the classic Fender Reverb, the indispensable link in the surf guitar signal chain. This is Fender's stand-alone effect unit, introduced in 1961. The circuit is somewhat different than the on-board reverb associated with later "black panel" amps (like the Twin Reverb) in that the effect is tighter (less pre-delay) and can be driven harder, producing interesting overdriven textures.

The unit features a simple layout with three controls; mix, dwell and tone. The "mix" controls the amount of the effect mixed with the dry signal, while the "dwell" controls the amount of signal sent to the tank. Higher dwell settings yield more effect strength, compression and, in a way, duration. Cranked, the control drives the tank and circuit into saturation and reverb overdrive can be heard, even under a clean guitar tone. The "tone" control controls the effect brightness, as expected. The unit also has a "mute" lever in the rear of the cabinet for locking down the tank.

This is a very early model with brown Tolex and oxblood grille cloth (a fairly rare combination) with a serial number under 1000. The tube chart is stamped KL, indicating it was wired up in December 1961. All components appear original, including the tank and the leather handle. The unit has received routine maintenance, including replacement of all electrolytic capacitors, a 3-prong grounded power cord, cleaning of all jack, sockets and pots.

This is a fantastic sounding unit that takes the reverb effect significantly beyond what's found on-board most amplifiers, and in truly spectacular shape to boot! Excellent + Condition.