• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Gain Q

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weinstro

weinstro

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Joined 2003
#1
Hopefully an easy question....

I longer own a turntable, so all my sources are either a tuner or a digital source (CD, DVD, etc.).

I've noticed that many amplifiers have sensitivity specifications like "rated power output at 0.75 Vrms input".

Given that CD maxes out at about 2 Vrms, is there any reason why I would want to build an amplifier more sensitive than this?
 
#2
Hi,
Yes, a little gain helps.

My CD player is going through a pot then straight into my amp. Which needs about 1V rms for max power (22W). Sometimes, I come across a CD that has a low output and a little pre-amp would be most welcome to boost the volume up.
😎
Serge
 
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