The FRENZEL FM - 763 "Super Vibroverb" was inspired by the vintage Fender AB763 Vibroverb,
but it is much more than a clone. It has many added features developed over 50+ years of building custom amps for
touring professional musicians all over the world. This amp will produce tones that you have only dreamed about! See
complete features list below.
FEATURES:
Input Jacks isolated from chassis for low noise, eddy currents, and hum.
Classic Knurled Knobs, Toggle Switches and Jewel Pilot Light
DC on filaments for low 60 hz hum.
Star ground system to reduce induced current chassis noise.
Normal (Type F) Bright (Type M) inputs with separate preamps
and Gain controls for the unique smooth vintage Fender warm tones or the Marshall great high mid tones....or you can
use an AB-Y switch and create your own distinct tones.
Classic 60's JTM45 - Bassman 5F6 style 3-BAND TONE STACK for extended
flexibility in shaping your tone.
MASTER level control so you can crank the GAIN's up and overdrive the preamp
without overdriving the output tubes.
Classic Type 5F6A Style Presence control .
Unique NNFB "Edge" switch on the PRESENCE control that transforms the power
amp section into a No-Negative-FeedBack style amp for more open, less compressed tones.
Class AB fixed biased 6L6's in the output in place of the original Deluxe
cathode biased 6V6's to give you more power and headroom.
Preamp and driver tubes are 12AX7 but you may also use 12AT7's
or 12AU7's for different tones and overdrive.
Classic 60's style insertion type Serial Effects Loop with Return Jack (Power
Amp In), Send Jack (Preamp Out), and Send Level Control.
Tremolo - with Speed and Depth Controls for those cool jazz vibes.
Reverb - Classic tube driven long tank reverb for those great blues tones!
Footswitch pedal for Tremolo
Footswitch pedal for Reverb
Dual Speaker Jacks
A Classic Custom Hi-Fi output transformer for extended
low and high frequency performance....deep bass....crystal clear highs and features 4 - 8 - 16 ohm outputs
selectable by a rotary switch.
Power Output: 40 watts RMS (25 Watt version also available)
5U4 rectifier, you can sub 5Y3, 5AR4, or Solid State Plug in for different
amounts of sag.
Extra long (10') three prong grounded power cord.
STANDBY switch to turn off the plate voltage during warm-up.
Rock solid point-to-point hand wiring using only the best of parts...low
noise tubular polypropylenes caps, metal film resistors, ceramic sockets, switchcraft jacks...etc.
Sweet vintage clean to classic overdrive tones with three different types
of distortion depending on whether you are overdriving the preamp, output... or both!
Tube compliment: The amp comes with 4 - 12AX7, 1- 12AT7, 2 - 6L6GC,
1 - 5U4, but you can substitute 12AT7's or 12AU7's in the preamp and driver for different tones and overdrive sounds. You
can also substitute 5881's, KT66's, KT88's, 6550's or EL34's and KT77's (Class B operation) in the output stage
for different sounds.
TOLEX HEAD CAB - Our cabs use heavy
duty construction techniques using cabinet grade birch plywood with glued corners. We use genuine Tolex with heavy duty nickel
plated hardware, large rubber feet, and Fender style strap handles. Standard vintage Marshall Elephant Black. A wide
selection of other colors is available. Please email us for pricing info to info@frenzeltubeamps.com
FRONT PANEL:
- NORMAL INPUT
- BRIGHT INPUT
- NORMAL GAIN
- BRIGHT
GAIN
- BASS
- MIDDLE
- TREBLE
- MASTER
- PRESENCE with EDGE PULL SWITCH
- SPEED
- DEPTH
- REVERB
- STANDBY POWER SWITCH
- PILOT LIGHT
- ON OFF POWER SWITCH
REAR PANEL:
- POWER CORD
- FUSE
- TREMOLO/REVERB FOOTSWITCH JACKS
- EFFECTS LOOP SEND LEVEL CONTROL
- EFFECTS LOOP SEND JACK
- EFFECTS LOOP RETURN JACK
- DUAL SPEAKER OUT JACKS
- SPEAKER 4 - 8 -16 IMPEDANCE SWITCH
PRICE: $1495.00 SPECIAL SALE PRICE -$1195.00
UPGRADE OPTIONS:
1. 25 WATT VERSION - The amp is also available with
25 watts output. No charge for this option.
2. QUAD OF 6V6'S - Four 6V6's in place of the pair
of 6L6's for the smooth warm 6V6 tones. Includes 1/2 power switch that turns of two off the 6V6's. Add $150.00
3. 240 VOLT POWER TRANSFORMER - for operation
outside the USA. Add $55.00
4. EDGE FOOTSWITCH - adds jack to rear panel for
footswitch control on the NNFB EDGE switch. Includes classic heavy duty footswitch with LED. Add $120.00
