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Graaf GM20
details & specifications
FS Graaf GM20 OTL Power Amp,

For sale Graaf GM20 Power amplifier In good cosmetic condition and recently fitted with all new valves less than 10 hours these include a matched quad of 6c33c, a quad of EF184 and a pair of Tesla E88cc.

Recently serviced and upgraded bias trim pots as per John Caswell's recommendation who has spent a lot of time with this power amp. This modification prevents the amplifier bias drifting and is incredibly stable.

I have this currently in my system playing and it sounds phenomenal.

I have several matched Qu...   read more

Manufacturer  Graaf
Model  GM20
Ad insertion date 24:03:2022
Chris has 9 active ads on HiFi Forsale
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Chris has sold 4 items on HiFi Forsale
Chris became a member on 24th Mar 2022
price: £SOLD
Tel - 07793373900

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