JJ KT77 Power Vacuum Tube
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Been using these for years in my 100 watt Marshall's. Mainly the TSL-100. Will try them in my JVM410h when they need replacing. Really adds bottom end and smooths out the top end.
reviewed by: Tim
Used these tubes in my custom push pull class A amplifier. Sound pretty nice, very clear mids and trebles. Happy with this purchase.
reviewed by: Alex
Love this tube in my Orange OR50!
reviewed by: Christopher Lineberry