Author Topic: QRV-08 gain reduction  (Read 179 times)

0 Members and 1 Guest are viewing this topic.

Offline Discom

  • New member
  • *
  • Posts: 1
  • Karma: +0/-0
QRV-08 gain reduction
« on: October 29, 2018, 09:59:22 AM »

I’ve completed the QRV-08 a few months ago and it has playing happily ever since. You weren’t kidding when you said it reveals poor recordings. I'll post a picture when I get around to taking one.
 
I’ve found the standard gain of 4 to be too high with an AMB gamma 3 and a set of HD650s. Which resistors should I change to reduce the gain, and what values would you recommend for a gain of 2 or 1 respectively?

Offline peranders

  • Administrator
  • Reached Nirvana
  • *****
  • Posts: 1227
  • Karma: +6/-0
  • Gender: Male
  • Forum owner
    • Sjöström Audio
Re: QRV-08 gain reduction
« Reply #1 on: October 30, 2018, 07:05:41 PM »
R14 and E14 can be changed. 330 ohms will set the gain to 2.
/Per-Anders Sjöström, owner of this forum

Homepage with my DIY hifi stuff