Ehrmantraut Posted August 12, 2021 Posted August 12, 2021 Cayin HA-300 Direct Heated Triode Tube Headphone Amplifier in excellent condition with stock tubes and 4 extra Sylvania 22DE4 rectifiers. Best possible integration of balanced and singled-end signal processing: Input Transformer(for Bal input)-> Push-pull Single-end Amplification-> Output Transformer (for Bal output) Two-boxes design with multi-stage tube regulated power supply Carefully selected premium tubes •Power Amplification: Genalex PX300B x2 •Voltage Amplification: Shuguang WE6SN7 replica of Western Electric x2 •Tube Rectification: NOS RCA 22DE4 rectifier tubes x4 In-house design and custom-build power, input and output transformers Provide choice of headphone outputs for high, middle and low impedance; make sure all headphones will perform satisfactory. Point-to-point Wielding to ensure shortest signal path and enhance the transparency and refinement of audio performance High quality shield silver-plated internal cable to minimize interference during transmission High-Precision 24 steps potentiometer to provide low noise, high-precision volume control. US Aviation standard sockets and connectors for outboard power supply connection Beautifully design and crafted VU meter Support XLR balance and RCA singled-end inputs 4
Odyssey Posted August 12, 2021 Posted August 12, 2021 Would have love to A/B this with McChanson 300b.
Bengineer Posted August 12, 2021 Posted August 12, 2021 2 hours ago, Odyssey said: Would have love to A/B this with McChanson 300b. Then do it.
Recommended Posts