Tungsol KT66 Power Tubes mean that the Bluesbreaker sound is back–woman tone at its finest!The platinum matching process consists of a 24 hour tube burn-in period followed by a bias (plate) current measurement in milliamps.
Tung-Sol 210099.118.185 – Tung-Sol Kt66 Matched Power Tubes Medium Duet – Tung-Sol, Power Tubes

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