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Original Message

RE: Driving Sound Labs with Atma's

Posted by tyu on June 14, 2012 at 05:51:02:

Output Tubes 6AS7....
I have had the M60s for years...an i have a pr of Diy,ed MA1...these amps well run fine on the m60 4 tubes pr amp..the MA1 well run with 4 tubes pr amp!....the funny thing is the amps are the most stabel amps i have ever owened....The Sovtek 6as7...are great.. An all the 6as7s you get new MUST BE RAN ON THE HEATERS ONLY FOR i do 48 hrs...24hr well do.....An then thay well last for ever less there over bias.... but i have never lost but two tube in 8years an thay were the only match,et 6AS7 i ever got ....so i just dont get how you can lose tubes....well thay must be over bias,et...

Now as for this ESL mod ...i only have Acoustats but the interfaces are set up like the soundLabes some what ...i have had Acoustats from the 80s an by doing this mod i am geting the best highs i have ever got out of any ESL...even better than the Tube amps Made to drive the Acoustats.....Be for the removel of the res an caps in the primary of the high frc tranfourmers the MA1 coud not give good sound with the Acoustats... now the M60 give all the output i need...go figg..Thanks for your time an post on all the thing you done to you SLM1s...goodluck