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PostPosted: May 8th, 2014, 8:40 am 
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Joined: February 28th, 2013, 1:06 pm
Posts: 54
http://www.ebay.com/sch/oldssx455/m.htm ... 7675.l2562


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PostPosted: May 8th, 2014, 11:15 am 
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Joined: December 14th, 2013, 2:19 pm
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Thanks for the GM70's Joel.

Soliciting advice on a design for push-pull Class A GM70 amplifier!

Even a measly 100 watts Class A will make me quite happy!

I've read a 5k PP load is about ideal......

I know a high current driver is needed, but beyond that.........


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PostPosted: May 8th, 2014, 11:26 am 
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Even though you are planning class A, I recommend a mosfet source follower driver.


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PostPosted: May 8th, 2014, 11:30 am 
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my original plan was a diff 6SL7 direct coupled to a diff 6sn7 cap coupled to the mosfets.

But I'm going to be an uncle soon and need to raise money for plane tickets


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PostPosted: May 8th, 2014, 4:24 pm 
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So, the "standard" Tubelab driver I've been working on will work? Guess I better do some data sheet reading! ;)


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