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Would Stax SR-80 Pro Electrets benefit from an upgrade in Amplifier?

post #1 of 6
10/14/10 at 5:35pm
Thread Starter 

I have the SR-80 Pros paired with the SRM-Xs amp.  I believe that any Pro bias amp will also drive them?  Is this true?  Would they get any benefit from an upgrade in amplifier??

 

Thanks so much,

Ian

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post #2 of 6
10/14/10 at 6:51pm

I had electrets some years back and while not quite as detailed as electrostats, they would in all likelihood show an improvement with a better amp.  And if not then use your amp with a better headphone.

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post #3 of 6
10/14/10 at 7:06pm
Thread Starter 

thanks for the reply.  I can't seem to find any info on the amp.  Can it drive regular electrosats or just electrets?

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post #4 of 6
10/15/10 at 1:24pm

The SRM-Xs uses the same PCB as the earlier SRM-X but the bias supplies aren't populated nor is there a wire from the bias pin.  Both can be easily added turning it into a fully fledged electrostatic amp.  It's not a bad amp at that, mosfet outputs and pretty much the same circuit as is still used in the SRM-252.  Here is a shot of the inside of my unit with the bias supplies populated (red caps)...

 

p1000539p.th.jpg

 

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post #5 of 6
10/15/10 at 5:49pm
Thread Starter 

Thanks Spritzer.  I was worried no one came to these forums anymore.  I'm not very good at DIY and would hate to ruin the amp.  The SR80 Pros are nice but I feel they are lacking in a lot of areas.  I'm finding more enjoyment from my M50 and Amp right now.  However I miss the Stax quickness and soundstage.   I really don't have $1500 to upgrade to a nice set of Stax though.  I did try to sell the SR80 and SRM-Xs but mo one has bitten on it.  Not sure where to go from here to be honest.  

Thanks for your help!

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post #6 of 6
3/10/12 at 3:49pm

Tell me, you can connect headphones to the amplifier Stax SR80 Stax SRM-600 ?

Do not they burn?

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