STAX SDR7 Earspeakers
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yeast

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Can someone help me deteremine the value of a nice pair of Stax SDR7 Earspeakers? Been stored for 4 years and lightly used by a melticulous audiophile who has recently past.

thanks
 
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joelongwood

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Hi yeast,
Are you sure of the model number? The only thing that I know of that is close is the Stax adapter, model SRD7. This is not the headphone model. What does it say on the side of the ear pieces?
 
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yeast

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You are correct.. the headphones are Sigmas ....
 
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ze-ant

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6-pins or 5-pins on the plug?

My reason for asking is that the 6-pin one (being the normal version) is relatively common whilst the 5-pin one (being the Pro version) is considerably rarer.
 
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yeast

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Jackangel

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definitely 5 pins (I used my fingers to count, so I'm sure)
 
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braillediver

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I didn't want to jump in with missleading information but I counted 5 also.
 
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ze-ant

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helping out with the mathematics guys, so it really has 5 pins


Yeast,

Judging by the coluor of the Stax earspeakers you have (black), my guess is that they are a pair of Lambda Professionals (not the Signatures, which are brown). They were most probably manufactured about/more than 10 years ago.

You asked about their value. They have been going on Ebay for about $150, give or take some depending on condition. Hope that helps.
 
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eric343

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Sell 'em to a DIYer; those ones are PERFECT for use as 'test' headphones when building electrostatic amps. They're cheap enough that it's not a disaster if they get fried, and they use the same high-bias as the newer Staxes and Sennheiser HE90/HE60. (Orpheus and Baby Orpheus, respectively)

I've got the 6-pin version which isn't as good for this purpose, the bias voltage is ~half that of the Sennheisers so I'll have to change the bias when switching headphones. (assuming I can FIND some Sennheisers)

Wanna trade?
 
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elrod-tom

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You've got a private message...
 
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