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 Post subject: Fender Twin Reverb model #SR2100
PostPosted: Sat Dec 25, 2010 11:20 pm 
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I just found a solid state Fender amp.It is missing speakers , fuse and needs some wireing work. The face and cabinet are in good shape. I never even knew that they made a solid state Twin Reverb, anybody have any information on these. Thanks !


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 Post subject: Re: Fender Twin Reverb model #SR2100
PostPosted: Sun Dec 26, 2010 1:36 am 
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Fender's first solid-state amp line debuted in the pages of the 1966-67 catalog. They all bore the model names of legendary Fender tube amps of the blackface era -- Deluxe Reverb, Vibrolux Reverb, Pro Reverb, Super Reverb, Bassman, and Twin Reverb (some sources cite a Dual Showman as well but in 45+ years of association with Fender products of all types I have never seen one, nor a photograph of one).

These transistorized amps were universally detested by all who bought, played, or even heard them. They sounded terrible and were prone to failure -- some even while being demo'd in stores by factory representatives. The line was summarily abandoned in 1968, except for the 105-watt 3 x 12 Bassman which lasted until 1971. Surviving examples are generally regarded as curios and are worth little to most players.

Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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 Post subject: Re: Fender Twin Reverb model #SR2100
PostPosted: Sat Jan 01, 2011 8:15 am 
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Really impressed by you knowledge Retro! This will help olfender to situate his relic. Happy new year to all. 8)

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 Post subject: Re: Fender Twin Reverb model #SR2100
PostPosted: Sat Jan 01, 2011 11:10 am 
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These amps were actually quite well-designed, although not for their intended purpose. The stages were direct-coupled with no buffered RC circuits to add any harmonics or overtones. The result was an uber-clean audio platform much like the high-end solid-state hi-fi equipment of the day. They stayed absolutely clean -- with no saturation or compression -- right up until the point that the output stage components went into "critical mass" and the resultant signal became a virtual square wave. Occasionally the amp would shut itself down before it blew up and/or caught fire.

These amps were also the first Fenders to use a printed circuit card assembled by automated wave-soldering machines -- according to Bob Rissi (one of the project engineers for this line of amps) these soldering machines were responsible for the lion's share of technical problems that occured in the field. Added to that were assembly technicians on the plant floor who were unfamiliar with the critical aspects of solid-state devices such as polarity and proper heat-sinking.

Bottom line: FMI spent millions on research and development but virtually nothing on test and evaluation. Thus, the entire project was doomed to become a corporate-sized excrement sandwich that Fender management force-fed itself. It took decades for the company to escape the stigma that this fiasco became.

Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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 Post subject: Re: Fender Twin Reverb model #SR2100
PostPosted: Mon Jan 03, 2011 7:19 pm 
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Thanks Arjay. You have been most informative, what would YOU do with it if you found one ? Happy New Year Olfender


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 Post subject: Re: Fender Twin Reverb model #SR2100
PostPosted: Mon Jan 03, 2011 11:04 pm 
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olfender wrote:
Thanks Arjay. You have been most informative, what would YOU do with it if you found


Leave it "in situ" and walk away. I got better things to do with the rest of my life than pretend I'm Don Quixote.

:lol: :lol: :lol: :lol:

Arjay

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