valve pre/ss power, what's the issue with input impedance?

Discussion in 'Hi-Fi and General Audio' started by Coda II, Jul 17, 2008.

  1. Coda II

    Coda II getting there slowly

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    Was looking through the manual for the Quad valve pre (QC24 ?) and there was a bit about matching with a power amp with high-ish input impedance - 40kohms from memory. The impedance of the Quad 909 is 20 kohms yet I gather there are people using the two together quite happily. Having just acquired a 909 and looking at the possibility of finding a valve pre to use with it could someone enlighten me as to what I should be mindful of in this respect?

    Thanks
     
    Coda II, Jul 17, 2008
    #1
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