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Congrats...suggestions

Carl F,

Sounds like you are on your way...with some more time spent on the Foreplay (and not much more $ at all), you can make it sing without hum and with the volume you want.

Hum...check this post I made:
http://db.audioasylum.com/cgi/m.pl?forum=bottlehead&n=57594&highlight=kdy+hum&r=&session=
I tried several easier things that others suggested before installing the filament snubber, which nailed it down, no matter what tubes I put in the FP.

The filament snubber is explained by VoltSecond:
http://www.siteswithstyle.com/VoltSecond/foreplay_filament_snubber/Foreplay_filament_snubber.html
Scroll down to the proposed 6.3V version. Before you jump to this though - try the easier things like the 13-14 jumper and the power supply snubber. Check JOE's page for the power supply snubber and other noise/hum notes:
http://home.att.net/~joemacjr/diyproject/foreplay.html#

Attenuation - for immediate relief, install a L-pad as decribed on many posts here. Again, Voltsecond's page will help you out a lot here, even if you only use a tiny fraction of the infor here:
http://www.siteswithstyle.com/VoltSecond/12_posistion_shunt/12_Position_Pure_Shunt.html
Scroll down to section 6.0 and go from there.

I recommend taking care of hum first, then attenuation, and then install the Anticipation upgrade and caps and whatnot (if you plan to do that). Anticipation before filament snubbers is a royal pain - trust me, I did it.

And for vinyl - when you get the cash and time saved up...replace the Rotel with a Bottlehead Seduction, and the Goldring 1012GX that comes with your Music Hall 5 with something that lives up to FP and other good stuff you have going. I had the 1012GX, and it's not a bad cart., but once I got the FP, Seduction, and other things going well in my system, it was apparent that it had to go. Went with a Dynavector 10x4 mk2, and I could not be happier for my budget. Just about everyone says the Music Hall 5 is a lot like a Rega Planar3, which I have. On the Rega, the 10x4 beat up on the 1012.

Good luck!

- kdy



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  • Congrats...suggestions - kdy 15:24:22 05/08/03 (0)


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