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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
About the ART300
The Conrad-Johnson ART300 is a limited-production, 40th Anniversary vacuum-tube monoblock power amplifier. It is essentially a high-power mono implementation of the ART amplifier platform, using four KT150 output tubes and two 6922 small-signal/inverter tubes per chassis. The design includes a substantially enlarged power supply and is intended to drive demanding high-end loudspeakers. Conrad-Johnson announced a production limit of 125 pairs. The manufacturer’s current product information presents the ART300 as a past limited-production model rather than a current regular-production offering; it should therefore be regarded as no longer manufactured, although official documentation and support information remain available.
Specifications
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