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GE 6550/kt88

GE 6550/KT88 – A premium power pentode vacuum tube designed for high-fidelity and guitar amplifiers. Directly interchangeable with KT88, delivering 42W anode dissipation and robust performance in Class AB/Class A circuits.

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GE 6550/KT88 – High-performance vacuum tube (valve) for audio amplification. Key specifications:

Type: Power Pentode

Filament Voltage: 6.3V AC/DC

Anode Voltage: 250-600V (Max 800V)

Anode Dissipation: 42W (Max)

Output Power: ~50W (Single-ended) / ~100W (Push-pull)

Applications: Hi-fi amplifiers, guitar amps

Equivalent: KT88 (Direct replacement)