![]() ![]() |
Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
For Sale Ads |
Use this form to submit comments directly to the Asylum moderators for this forum. We're particularly interested in truly outstanding posts that might be added to our FAQs.You may also use this form to provide feedback or to call attention to messages that may be in violation of our content rules.
Original Message
Of course you can ask. ... :-) ... I connected them to a friend's pair of Avantgard Trios...
Posted by jeffreybehr on March 11, 2007 at 23:18:12:
...and discovered just how much the amps amplified and the speakers made more audible the noise of the linestage's tuberush.
I think this particular system could do with at least 10 to as much as 20dB less gain than its rated 27dB. Previously I had my 12dB-gain Music Reference EM7 amps connected and the system was virtually dead quiet, noise being audible only with one's ear virtually inside the horn.
If as Triode_Kingdom wrote, a fixed Voltage-divider network is appropriate, could it be installed after the 2nd 6SN7 gain stage, say after the 2nd coupling cap, thereby quieting the fontend's inherent noise?
I have copies of the schematic I'll send to anyone who e-mails me at jeffreybehr(at)cox(dot)net.
-------------------------------------------------------
Tin-eared audiofool and obsessed landscape fotografer.
http://community.webshots.com/user/jeffreybehr