KA300B vs Eico EL84
The EL84's power @ 8ω is 14W against the KA300B's 20W, its thd 1.000% against 5.000%, and its weight 10.9 kg (24 lbs) against 32 kg (71 lbs). Both share class (A).
AI-generated product photo — not official manufacturer imagery.
AmplifiersVacuum Tubes
Estimated price (community-sourced)
$2,804
Around — community and catalog average, updates slowly
About the KA300B
The KA300B is Kondo Audio Note Japan’s 300B directly heated triode vacuum tube, not a power amplifier or monoblock amplifier. It is a four-pin 300B tube intended for use in compatible single-ended or push-pull tube amplifier circuits.
Specifications
Key Specifications
Power: 20W
Frequency: 10-40000 Hz
Structured specifications are being processed for this product.
View additional specifications above for more details.
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions