session 400 serial number

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Mike Brenner
Posts: 123
Joined: 23 Apr 2010 7:50 am
Location: Pennsylvania, USA

session 400 serial number

Post by Mike Brenner »

bought a session 400 for cheap. trying to date it. 1980?
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Dennis Detweiler
Posts: 3904
Joined: 8 Dec 1998 1:01 am
Location: Solon, Iowa, US

Re: session 400 serial number

Post by Dennis Detweiler »

Yes, 1980
1976 Birdseye U-12 MSA with Telonics 427 pickup, 1975 Birdseye U-12 MSA with Telonics X-12 pickup, Revelation preamp, Ibanez Analog Mini Delay and Hall Of Fame Reverb, Crown XLS 1002, 2- 15" Eminence Wheelhouse speakers, ShoBud Pedal, Effects Pedals. 1949 Epiphone D-8.
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Mike Brenner
Posts: 123
Joined: 23 Apr 2010 7:50 am
Location: Pennsylvania, USA

Re: session 400 serial number

Post by Mike Brenner »

thank you Dennis! cool amp, needs some cleanup, maybe new caps, but seems solid.
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Dennis Detweiler
Posts: 3904
Joined: 8 Dec 1998 1:01 am
Location: Solon, Iowa, US

Re: session 400 serial number

Post by Dennis Detweiler »

New caps will bring it back to factory specs. The only other long-term problems I've had is the Molex connectors becoming loose fitting. Also, the crimped factory wires on the molex pins on the connector plugs, not the ones on the circuit boards. I eventually bought new pins and instead of crimping the wires to the pins, I soldered them. It's a revived 1976 Session 400 and so quiet you don't know if it's on or off. Great amps when renewed. If you are good with a soldering gun, the major expense is labor. Parts are cheap.
1976 Birdseye U-12 MSA with Telonics 427 pickup, 1975 Birdseye U-12 MSA with Telonics X-12 pickup, Revelation preamp, Ibanez Analog Mini Delay and Hall Of Fame Reverb, Crown XLS 1002, 2- 15" Eminence Wheelhouse speakers, ShoBud Pedal, Effects Pedals. 1949 Epiphone D-8.
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Mike Brenner
Posts: 123
Joined: 23 Apr 2010 7:50 am
Location: Pennsylvania, USA

Re: session 400 serial number

Post by Mike Brenner »

Thanks very much for the info. Dropped it off to my amp guy. The verb channel seemed a little noisy but the clean power was crazy. Super loud. It’s got an Eminence speaker. I’m looking forward to getting it back and playing thru it. Thanks again Mike
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