ECC83 MULLARD 12AX7 I63 B7A4 1967 TESTED VERY GOOD VALVE Tube HiFi guitar AMP

With grey ladder anode plates and a halo top ring getter, this valve boasts a 94%+ emissions A2 plate and is matched with close-matched plates. Manufactured in. FM Crystal radio FM dETECTOR RADIO. fm trf rIGONDA. vega hf receiver ShortWave transceiver tuner. Saba Breisgau Saba automatic tuner.

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