Frenzel Tube Amps
2011 Copyright by Frenzel Tube Amplifiers. All rights reserved. All designs, technical data, pictures, and information are
copyrighted and may not be reproduced without the permission of Frenzel Tube Amplifiers.
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FEATURES:
Input Jacks isolated from chassis for low noise, eddy currents, and hum.
Laser Etched Faceplate
Classic Chicken Head Knobs, Toggle Switches and Jewel Pilot Light
DC on filaments for low 60 hz hum.
Star ground system to reduce induced current chassis noise.
Input Level Controls for each channel
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.
Post output transformer LINE OUT with LINE OUT LEVEL control for driving a higher power amp, or for
using this amp as a tube preamp/overdrive or recording, Auto switching internal load if speaker is not
connected to give you loaded output distortion.
IEC detachable plug-in 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.
Tube compliment: The amp comes with 2 - 12AX7, 2 – 6V6, 1 - 5U4, but you can substitute 12AT7's or
12AU7's in the preamp/driver for different tones and overdrive sounds. You can also substitute 6L6,
5881's, KT66's, KT88's, 6550's, or EL34's in the output stage for different sounds.
FRONT PANEL:
Channel 1 Controls
- LINE OUT LEVEL
- INPUT LEVEL
- PRESENCE with NNFB PULL SWITCH
Power Controls
-STANDBY SWITCH
- PILOT LIGHT
- POWER SWITCH