to borrow a phrase from Tracey Kidder -- wouldn't the Impasse Preamplifier with a bias supply work well to drive my electrostatic ear-speakers (Stax Lambda). I mentioned it to a friend at the NJAS meeting on Sunday.
I would think that the Impass was not designed for that service. I have not seen the Impass schematic, but I would think a Red Light with the headphone jacks on the primaries might be more like it.
The "nominal" sensitivity is measured with a 100 V pp signal. They are about 100pF.
Takes some real current to charge that capacitor. Blue Hawaii used EL34 and an 800V ps.
I would be interested in other responses.
Doug
The "nominal" sensitivity is measured with a 100 V pp signal. They are about 100pF.
Takes some real current to charge that capacitor. Blue Hawaii used EL34 and an 800V ps.
I would be interested in other responses.
Doug
The Impasse is balanced out and I've gotten it to swing 60V RMS -- SY designed it to drive a pair of Pass F4 "current source" amps -- the input capacitance of which is a function of the 2SK170 and 2SJ74.
The Romans didn't have cricetae, they were native to the lands of the allemani.
The Romans didn't have cricetae, they were native to the lands of the allemani.
LOL
Its worth a try at 60V RMS. Details of the Pin-out for the Stax connector can be found at Headwize. Let me know how it works out.
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