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The Headcase Stax thread

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On 4/4/2021 at 10:44 PM, kevin gilmore said:

define similar. shure is 4 x discrete opamps made with 400v complementary bipolar parts. stax d10 is 2 x apex pa443 dual monolithic opamps made with 350v n-channel mosfets. stax d10 uses xmos 208 and ess dac. i don't remember what the shure uses. birgir has pictures of both should he desire to post them.

there is a guy in ukraine (i think) that is selling a shure clone for about $800 (no dac)

What is the part number of the 4 discrete opamps used in the kse1200, also about the 400V BJT pair?

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