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Frenzel Tube Amplifiers 

www.frenzeltubeamps.com 

© 

2012 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. 

 

 

 

 

 

 

 

 

 

 

 

 

 

FRENZEL TUBE AMPS

FRENZEL TUBE AMPS

FRENZEL TUBE AMPS

FRENZEL TUBE AMPS    

 

 
 
 
 
 

Owners Manual 

 

JF-B45 SBB  

“Super Bassman Bluesbreaker”  

Guitar Tube Amplifier 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for JF-B45 SBB

Page 1: ...s reserved All designs technical data pictures and information are copyrighted and may not be reproduced without the permission of Frenzel Tube Amplifiers FRENZEL TUBE AMPS FRENZEL TUBE AMPS FRENZEL TUBE AMPS FRENZEL TUBE AMPS Owners Manual JF B45 SBB Super Bassman Bluesbreaker Guitar Tube Amplifier ...

Page 2: ...ate Gain controls Normal Input voiced for the unique smooth 60 s warm tones of the Fender Bassman or Bright Input voiced for the great Marshall Bluesbreaker high mid tones or you can use an AB Y switch and create your own distinct tones Classic 60 s 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 wit...

Page 3: ... EL34 s in the output stage for different sounds No bias adjustment required FRONT PANEL NORMAL INPUT BRIGHT INPUT NORMAL GAIN BRIGHT GAIN BASS MIDDLE TREBLE MASTER PRESENCE with NNFB PULL SWITCH STANDBY SWITCH PILOT LIGHT POWER SWITCH REAR PANEL POWER CORD POWER PRIMARY FUSE DUAL SPEAKER OUT JACKS SPEAKER IMPEDANCE SWITCH 4 8 16 OHM User s Operation Guide FRONT PANEL CONTROLS NORMAL INPUT input f...

Page 4: ...cts It only occurs when the control is adjusted and does not affect the operation of the amp EDGE PULL SWITCH when pulled out will turn off the negative feedback in the amp which produces a boost in the volume and a more dynamic less compressed tone REVERB adjusts the Reverb level Only on amps with the reverb option POWER SWITCH turns power ON to filaments of tubes Pilot lamp will light up when sw...

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