HIGH POWER TUBE HYBRID HEADPHONE AMP AND PREAMP
SPECIFICATIONS
Frequency Response: 20Hz-20Khz, -0.1db, 2Hz-500KHz, -3dB Maximum Power, 32 ohms: 6.0W Maximum Power, 50 ohms: 4.0W Maximum Power, 300 ohms: 660mW Maximum Power, 600 ohms: 330mW THD: < 0.01%, 20Hz-20KHz, at 1V RMS, gain = 8 mode (worst case) IMD: < 0.01%, CCIR at 1V RMS, gain = 8 mode (worst case) SNR: > 97db, unweighted, referenced to 1V RMS, in gain = 1 mode Crosstalk: < -65dB, 20 Hz-20KHz Output Impedance: 0.7 ohms (high gain), 0.3 ohms (low gain) Gain: 7 (16.9db) or 1 (0 db), via rear switch Topology: Dynamically Adaptive Class A/AB, noninverting, hybrid tube/MOSFET, single voltage gain stage, DC-coupled input and output Protection: standard muting relay for delayed turn-on and fast turn-off Power Supply: Two internal power transformers, five internal regulated rails, with over 30,000uf of filter capacitance Power Consumption: 30W Size: 9 x 6 x 2.25” Weight: 6 lbs
All measurements made on a Stanford Research SR1+ Audio Analyzer
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