For sale is a pair of Atma-Sphere Mk 3.3 monoblocks. These are the older style chassis which have been fully factory upgraded to 3.3 status and with all available upgrades including Caddock resistors, teflon V-Caps, power supply boost and ceramic tube sockets. The upgrade from M2 to 3.3 is $2,000 and the upgraded parts cost is $2,300.I am the original owner of the upgraded amps and they were purchased through Audio Kinesis, an authorized dealer. I have the sales recipt available for interested buyers.
The amps are under full factory warranty through June of this year. 12 of the 16 tubes were replaced in June of last year and have around 150 hours on them. The others tested as new and were not replaced. I have the original boxes in which they were shipped to me. Buyer pays shipping and paypal fees. http://www.electrafidelity.com/m-60
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