Advice Needed RJM Emerald/ Toms Modulus-86/Universal Buffer pre-amp/Alpair 7MS

Jerry86 · 12:09 PM

I hope this is the right place to post this, I am a complete novice, but have managed to build the RJM Emerald Phono stage with switch board, Toms' Modulus-86 along with his latest pre-amplifier with univeral buffer and a pair of Frugel Horns with the Alpair 7MS.

Everything works, but I have to turn the volume control nearly all the way up to get a reasonable volume from my speakers, but would still prefer it to be louder, but not ear splitting volumes. Hopefully someone here would be able to advise what I need to do to improve things.

If it helps the pre-amp is built with 26db gain and the phono cartridge sensitivity (Nagaoka MP-200) is 4mV.

Thanks

Jerry86 · 28th November 2020, 03:13 PM

Solved my own problem, not sure how exactly. I'd changed the premap from 20db gain to 26db gain but it still seemed quiet, unplugged everything, checked all connections, plugged it all back in and all is fine.

28th November 2020, 02:19 AM	#1
Jerry86 diyAudio Member Join Date: Feb 2016	Advice Needed RJM Emerald/ Toms Modulus-86/Universal Buffer pre-amp/Alpair 7MS I hope this is the right place to post this, I am a complete novice, but have managed to build the RJM Emerald Phono stage with switch board, Toms' Modulus-86 along with his latest pre-amplifier with univeral buffer and a pair of Frugel Horns with the Alpair 7MS. Everything works, but I have to turn the volume control nearly all the way up to get a reasonable volume from my speakers, but would still prefer it to be louder, but not ear splitting volumes. Hopefully someone here would be able to advise what I need to do to improve things. If it helps the pre-amp is built with 26db gain and the phono cartridge sensitivity (Nagaoka MP-200) is 4mV. Thanks Last edited by Jerry86; 28th November 2020 at 12:09 PM.

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28th November 2020, 03:13 PM	#2
Jerry86 diyAudio Member Join Date: Feb 2016	Solved my own problem, not sure how exactly. I'd changed the premap from 20db gain to 26db gain but it still seemed quiet, unplugged everything, checked all connections, plugged it all back in and all is fine.