how to determine if Atma S-30 or M-60 contain upgrades

OTL Asylum

OTL, Output Transformerless Amplifier User Group.

hi. I was wondering if someone might be able to advise how to determine if an Atma S-30 or M-60 amp contains the (a) V-Cap copper foil Teflon coupling capacitors; (b) Power Supply Boost; & (c) Caddock resistor package upgrades.

thanks in advance!

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Topic - how to determine if Atma S-30 or M-60 contain upgrades - flat6 23:20:57 02/05/14 (2)

Crack the hood - CometCKO 18:55:57 02/07/14 (0)

Call Ralph - goober 05:28:50 02/06/14 (0)

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