2. amps-preamps
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Ideas for reducing gain on a Belles 21A pre-amp?

Using a Belles 21A pre-amp with a Belles Reference 150A amp,
Silverline Audio Prelude speakers Sensitivity: 91 dB, (but actually measured lower by Stereophile at 87.7).

Getting too much gain. It's usually loud enough at 9:00 on the volume knob.

I'll be doing surgery to it shortly to install the Auricap upgrade. While I got it apart I'm wondering if anyone here is familiar enough with the circuit to suggest a mod to lower the gain a bit?

I know people are going to suggest contacting Belles, but I couldn't get much help last time I called them, so I'm not going to bother.
traudio

Showing 2 responses by rgs92

rgs92
974 posts
 
I wanted to bump this thread as I am having the same problem using my Ray Samuels B52 (as a preamp) feeding my Edge NL12.1 power amp.

The 23-step Dact attenuator is usually at 4(too low) or 5(too high). I am going to try a pair of Rothwells (cheap!) but I saw comments that they blunt the sound.

I noticed other ideas here in the forums but I just wanted to ask for up-to-date suggestions (aside from trading for a new tubed preamp, which I will consider later on).

I love the tonality and richness of the B52, so I am trying to make it work if I can.
rgs92
974 posts
 
Hi there and thanks for the comments.
The B52 does not have gain switches (I wish it did.)
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