General audio topics that don't fit into specific categories.
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RE: REVIEW: Dynaco Dynaco ST-70 KIT Amplifier (Tube)
Posted by rgurney on March 20, 2009 at 07:49:40:
The ST-70 is optimized for 5881, 6L6, KT66, and KT77
The ST-120 is optimized for 6550, KT88, and KT90.
My personal preference for the 70 is the KT-66; for the 120, it's the KT-90.