Little Dot MK IV mk 4 SE Headphone Tube Amplifier Pre-Amplifier

SEPP (Singled-ended Push Pull) OTL in Class-A
Frequency response: 10 hz~100 Khz (-1dB)
THD+N: 0.1% (100 mW @ 300 ohm)
Power Output:
500 mW @ 300/600 ohm
300 mW @ 120 ohm
100 mW @ 32 ohm
Power Consumption: 30W (228V x 0.133A)
Variable Gain: 3,4,5, or 10x
Recommended Load Impedance: 32 ohm~600 ohm
Input Impedance: 50K ohms
Pre-Amplifier Output Impedance: 600 ohms
Pre-Amplifier Gain: 3-10x (also controlled via gain switches)
Pre-Amplifier Voltage: 10V RMS
Pre-Amplification circuit includes both driver and power tubes
Driver Tubes: 2x JAN 5654
Power Tubes: 2x Soviet 6H30EH
High quality aluminum chassis
Dimensions (Metric): 320mm deep by 220mm wide by 143mm high
Dimensions (English): 12.6 inches deep by 8.66 inches wide by 5.62 inches
Weight: 3.5 Kg or 7.7 lbs
1 Year Little Dot Warranty