zneret

Responses from zneret

Alta Vista NP-100 schematics?
 
Alta Vista NP-100 schematics?
 
Alta Vista NP-100 input impedance?
Thanks re: the input value. I have a 7.1, would just like to get a better pre amp (there's a Primaluna for sale where I am)   There's various ways to measure impedance.  I am afraid of blowing up something if done wrong.  
Linlai E 6sn7 tubes
Not pre-amps by any stretch but I have a pair of Counterpoint power amps UG'd by Alta Vista into NP-100s and currently being used as monoblocks. Will these tubes (they'll reqire a pair each) be as beneficial as in a preamp (my SA-1000 uses a sol... 
Audio Nemesis DC-1 VLE Very Limited Edition
Necro threading.  Picked up No. 20 (out of 40) at an estate auction.  An initial audition (vs a Asus Xonar Essence with various Burson v6 opamps) seems to indicate it is better for AAD ripped music. 
Need help finding a hum problem
Looks like it is the turntable connector cable (double RCA).  The other connection on one cable has no continuity.  There's a residual hum but that is because the Ortofon OM10 is MM cartridge while my SA-7.1 is tuned/designed for MC.  Looks like I... 
Need help finding a hum problem
Never mind.  Appears to be a TT issue.  Swapped in another amp and same issue.  RIAA stage is silent with nothing attached. 
Counterpoint SA-7.1 phono/RIAA settings?
Thanks.  I don't remember what was done but do know the line stage was reduced to 1 single 6DJ8 from 2 (apparently the 6DJ8 can handle two channels per tube) by a circuit board that plugs into the original two-tube line stage tube sockets.The two ...