Description
Blackstar HT Studio 20H Head Valve Kit
Fitted with Electro Harmonix EL34 Platinum Matched Duet output valves and Electro Harmonix pre-amp valves.
2 x Electro Harmonix EL34 Platinum Single
2 x Electro Harmonix 12AX7
We recommend this set of valves that we regard them as a great upgrade to the stock valves fitted In theBlackstar HT Studio 20H Head. You will experience Excellent tonal balance, harmonic content, low noise floor, and low microphonics ,with fatter bottom end ”punchier” tone.
We recommend that you check your BIAS setting when fitting the output.
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