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This product has been discontinued but may be available as a used item.
A 6-pack of bass amp tubes that deliver your true sound, unharmed.
The Bugera 6550B-6 Pack Tetrode Tubes produce high gain without distorting the signal while maintaining crisp, clear highs and detailed lows. The 6550B is ideal for Bugera and most other bass amps. Bugera tubes are subject to rigorous quality tests such as a 48-hour burn-in test and their vibration table test.