Vintage 1964 Fender Blackpanel Twin Reverb AB763 circuit 2X12 Tube Amp w/Rola Celestion G12M Speakers~
SN# A 00587

Vintage 1964 Fender Twin Reverb-Amp in the classic early Black Panel configuration. Pre-CBS era, serial number A 00587, an August 1964 build date, and the famed AB763 circuit.

The Twin Reverb was Fender’s high-powered professional 2x12 combo, pairing tremendous clean headroom with onboard spring reverb and Fender’s tremolo/“Vibrato” on the control panel.

SPECIFICATIONS:

Manufacturer: Fender Electric Instrument Co.

Model: Twin Reverb-Amp

Year: 1964

Serial Number: A00587 chassis stamp

Circuit: AB763

Documented Build Date: August 1964

Configuration: 2x12 tube combo amplifier

Nominal Output: Approximately 85 watts

Normal Channel: Inputs 1 & 2, Bright switch, Volume, Treble, Middle and Bass

Vibrato Channel: Inputs 1 & 2, Bright switch, Volume, Treble, Middle, Bass, Reverb, Speed and Intensity Effects: Fender spring reverb and optical tremolo/vibrato

Power Tubes: Four JJ 6L6GC tubes presently installed

Speakers: Pair of Rola Celestion G12M

Speaker Power Capacity: 25 watts each

Speaker Impedance: 8 ohms each

Service / Repairs

The amplifier received extensive services including:

Cleaning of all controls.

Replacement of all power-supply and cathode-bypass capacitors.

Touch-up of poor solder joints.

Replacement of the 470-ohm power-tube screen resistors.

Replacement of the phase-inverter plate resistors.

Replacement of the 1.5K-ohm power-tube grid resistors.

Bias adjustment

Repair of a non-functioning Bright switch.

Removal and installation of a reconed Rola Celestion speaker.

Repair of weak tremolo/vibrato.

Replacement of tremolo-circuit capacitors.

Replacement of the neon lamp in the optical “roach” tremolo circuit with a bright LED, reportedly eliminating tremolo ticking and producing a deep, responsive tremolo effect.

Installation of rubber cabinet feet.

Tightening of the speaker-baffle screws.

The service sheet additionally notes that the amplifier had previously received a complete set of JJ tubes, a three-prong power cord and a front-panel power switch.

The technician also notes the presence of the desirable factory blue coupling capacitors.


CONDITION:

Good vintage, serviced condition with cosmetic wear consistent with an amplifier that has been used over its approximately six-decade life of service. The black Tolex shows some lifting, asst bumps & bruises scuffing, scratches, edge wear and areas of surface abrasion, particularly around the corners and upper edges. Metal hardware, including the tilt-back legs, chassis surfaces, handle mounts and corners, exhibits oxidation, tarnishing and age-related wear.

The grille cloth has age toning and general wear with visible pulls, fraying and a small puncture/tear toward the left-center area. The Fender grille emblem remains present.

The black control panel shows scratches, small chips and general wear to the graphics. Several control-knob center inserts exhibit oxidation and discoloration. The jewel pilot light is present.

A non-original power switch has been added to the front control panel. The original rear power-switch is long gone.

The original speakers are no longer present. The amp is fitted with two Rola Celestion G12M 25-watt, 8-ohm speakers made in England; service documentation states that one Celestion was reconed and reinstalled.

**PLEASE READ**

-Because this is a very heavy amp, this should be considered:

LOCAL PICKUP at our store location, Ellis Antiques, in Historic Collingswood, NJ 08108 (20 minute drive from South Philadelphia).

We will consider doing freight shipping or using 1 of our many antique transport shippers, but be prepared as this will be very costly and full cost will be solely at the buyers' expense} .

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*NOTES & THE FINE PRINT*

ALL SALES ARE FINAL~NO RETURNS~
ALL ITEMS ARE SOLD AS IS~WHERE IS.

All items are subject to prior sale.

   Please see the attached photos as an extension of our written description.
Obviously, this is being sold as is, where is, with no implied warranties or guarantees of any kind, whatsoever. Since this is a vintage amplifier stack, our normal return policy DOES NOT APPLY TO THIS ITEM! It cannot be returned to us. We package professionally & this fine gear will be insured for the full valuation at our expense.
We accurately represent all of our items. If you have questions, please

Ag feel free to contact us for a live “in hand“ description.
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PLEASE CONSIDER OUR PROFESSIONAL PHOTOGRAPHS AS AN EXTENSION OF OUR HIGHLY DESCRIPTIVE TEXT. 

If you have any interest in purchasing this fine lot, please feel free to make us a fair, legitimate offer. We're full time general antique dealers and negotiating is a large part of our business. Just saying.……

AND, THANKS FOR READING,,,,,,,

JP/EG

LSTD26.21.08