HIFIMAN has designed this EF2C hybrid tube amplifier to combine brilliantly and consistently with the brand's high-end helmets.
The EF2C is a high-end dynamic amplifier (for input stage) with high precision over the entire spectrum, including superb bass. It faithfully reproduces all types of music thanks to a discrete output stage with OPA2604 PDOs that perform particularly well.
The EF2C is a hybrid amplifier with lamps coupled with a powerful PCM2702 USB DAC that will take the best out of the capabilities of your headphones.
Input Impedance: 47k Ohm
Output Impedance: 32 - 300 Ohm
Output power at 35 Ohm: 600 mW
Power Output Line: 4.6V
Output power DAC:
Frequency response: 20 Hz - 20 kHz +/- 0.2dB
Signal to Noise Ratio (SNR): 90dB
DAC Burr Brown PCM2702
Tubes: 6J1 x2 for the input stage
Volume control via step potentiometer
Power supply 16V 1A via DC Jack
Dimensions: 144 x 110 x 78mm
Weight: 1.36 kg
USB-A to USB-B cables, Power adapter, tubes and user manual delivered
Components / Chip
2 channels (Stereo)
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