 
     
      
      
      
    | SPECIFICATIONS | |
|---|---|
| Without Impedance Multiplier | Maximum Power, 32 ohms: 300mW RMS per channel at less than 10% THD Maximum Power, 300 ohms: 1.2W RMS per channel at less than 10% THD | 
| With Impedance Multiplier | Maximum Power, 32 ohms: 1.4W RMS per channel at less than 10% THD Maximum Power, 300 ohms: 1.5W RMS per channel at less than 10% THD | 
| Frequency Response | 20Hz-20Khz, +/-0.5db (worst case, high gain, 32 ohms, impedance multiplier off) | 
| THD | < 0.5%, 20Hz-20KHz, at 1V RMS, low gain, 300 ohms | 
| IMD | < 0.4%, CCIF at 1V RMS low gain, 300 ohms | 
| SNR | > 100db, unweighted, referenced to 1V RMS, low gain; >90dB, unweighted, referenced to 1V RMS, high gain | 
| Crosstalk | <-60dB, 20Hz-20KHz | 
| Output Impedance | 18 ohms (hi gain), 7 ohms (low gain), 8/3.5 ohms with impedance multiplier hi/low gain | 
| Input Impedance | 100K ohms | 
| Gain | 6.5 (16.3dB) or 1.5 (3.5dB), via front switch | 
| Topology | Output transformerless (OTL) and output capacitorless (OCL) Class-A triode headphone amplifier with White cathode follower (WCF) output; switchable gain and 8x impedance multiplier. | 
| Protection | analog computer style oversight for high DC with turn-on delay and muting relay. | 
| Power Supply | 400VA transformer with secondaries for discrete regulated 200V and +/-100V supplies, plus secondaries for regulated +/-12V oversight and impedance multiplier supplies, plus 6.3VAC at 7.2A for tube heaters, more than 10,000uF filter capacitance on HV supplies | 
| Power Consumption | 100W | 
| Size | 16 x 8 x 2.875” (total height with tubes 4.5") | 
| Weight | 15 lbs |