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In Reply to: RE: Used a Passive Preamp previously posted by OldNuke on October 17, 2017 at 10:31:05
I'm not sure which version of Stereomour you have, but the Stereomour II should generate full power with about 1.17 volts RMS input. The original has a bit more gain.
IIRC, it takes a bit over 0.4v to get 1 watt output - that might have been a mis-communication?
[For anyone who does not already know, I designed all versions of the Paramour/Stereomour amps.]
Follow Ups:
Hi Paul,
I have both versions, I took the .4 from the manuals, page 6 February 3 2014 and 2015 versions (original and version II). I may have reported them incorrectly, here's the info from the original.
Power 2A3 - 3.5 Watts, 45 - 1.75 Watts
Hum typically 1 mV RMS, depending upon the output tube used
Bandwidth: -1dB at 20Hz, -3dB at 50kHz
Gain: 12.5 at the 8 ohm tap (21.5 dBV)
Sensitivity: full power at about 0.4v (2A3)
The other one is the about the same except no 45 option.
I don't think this is proprietary info. Let me know if so and I will delete it.
Wow - thanks for alerting me. The manual is in error, that's about the sensitivity of the Stereomour II at 1.0 watts. Must have gotten our wires crossed! I'll alert the team.
My apologies for the confusion.
I am grateful for the opportunity to catch it and alert others. Thanks!
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