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vancouverguy

Responses from vancouverguy

Best tube dampers that you have used
My favourite tube dampers are the Duende Teflon/titanium tube dampers.  They are an improvement from what came from Audio Research on my LS16 MK II although less than what I got from substituting NOS tubes (let alone updating the output caps to th... 
Pass XA200.8 Review - Fun measurements
My previous post should have said in the first line, “relatively low level of corrective feedback”.  That said, the very low measured output impedance, including cable, of 0.03 ohms suggests a very healthy degree of corrective feedback, although t... 
Pass XA200.8 Review - Fun measurements
The measurements, as John Atkinson suggested, indicate a relatively low level and a very restricted open-loop bandwidth, which appears to be about 500 hertz.  This is unusual as a very restricted open-loop bandwidth is normally used to ensure stab... 
My 6922 Tubes Are Too Bright!
When I retuned my VT100 MKII, Audio Research gave me the option of using JAN Phillips 6922 tubes (actually, 6DJ8 tubes) and they provided much more extended bass and smoother highs.  That said, I do not know that they would be an improvement on th...