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| Maximum Power, 16 ohms | 1300mW RMS per channel | 
| Maximum Power, 32 ohms | 1000mW RMS per channel | 
| Maximum Power, 50 ohms | 650mW RMS per channel | 
| Maximum Power, 300 ohms | 270mW RMS per channel | 
| Maximum Power, 600 ohms | 140mW RMS per channel | 
| THD | <0.03%, 20Hz-20KHz, at 1V RMS, low gain | 
| IMD | <0.05%, CCIR, low gain | 
| SNR | >99db, unweighted, referenced to 1V RMS, low gain | 
| Crosstalk | -68dB, 20Hz-20KHz | 
| Output Impedance | 1.2 ohms in low gain mode, 5.8 ohms in high gain mode | 
| Gain | 5 (14dB) or 1.25 (2dB) | 
| Topology | Tube voltage gain with convolved bipolar current mode inverter and discrete bipolar class AB output stage | 
| Protection | Delayed start and fast shut-down with muting relay | 
| Power Supply | Wall wart with 24VAC and 6VAC outputs, regulated HV and LV rails for tube and bipolar components, 6V AC heater | 
| Power Consumption | 9W | 
| Size | 5 x 3.5 x 2.75” | 
| Weight | 1 lb | 
| Warranty | Headphone Amplifier (24 Months) | 
| Tubes (90 Days) |