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If you were using a Stax Sigma/Panoramic Pro or a Lambda Pro-thirty or fourty years ago, what...

post #1 of 5
Thread Starter 

Thanks for your responses.

post #2 of 5

There was no Stax Pro bias forty years ago.... 

post #3 of 5
Thread Starter 

Spritzer- Maybe I meant 30 years ago.  didn't the Sigma Pros and Lambda Pros start production over 30 years ago?  The Sigma non pros and Lambda none pros started their production even earlier.  What amps would the people then have used to drive these headphones? 

post #4 of 5

There is a good timeline of the Stax products on Wikipedia http://en.wikipedia.org/wiki/List_of_Stax_products. The SRM-1 was introduced for the Lambda (1979), and the SRM-1/Mk2 for the Lambda Pro (1982). I suspect a majority of Stax headphones of that period were sold with energizers (SRD-7 follow-ons) which were much cheaper than the real amplifiers. Before the SRM-1, Stax had a line of full function preamp plus headphone amp, the SRA-xxS series (the SRA-14S was after the SRM-1/Mk2, but had, AFAIK, very limited distribution).

 

I bought my first Stax (Lambda normal bias and SRD-7SB) new in the late 80's and still listen to them fairly often. They do sound much better on a real amplifier like the SRM-1/Mk2 than on the energizer.Lambdas are still excellent headphones compared to most of the modern non-Stax production - they definitely have the electrostatic magic to them.

post #5 of 5

The top of the line Stax amp in the 70's was the SRM-12S.  The original SRM-1 is a similar circuit but not quite the same.  Much harder to repair too...

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Head-Fi.org › Forums › Summit-Fi (High-End Audio) › High-end Audio Forum › If you were using a Stax Sigma/Panoramic Pro or a Lambda Pro-thirty or fourty years ago, what Stax pro amp would you be using with it? I am just curious?