Headphones amplifiers — Fosi Audio GR70
Description, images, technical data and specifications
Fosi Audio GR70
Image source — © Fosi Audio
Compact tube headphone amplifier and preamp with warm, detailed sound. It is equipped with four lamps (2×5654W, 2×6AC7), supports headphones of 16-300 ohms, has bass and treble adjustments, RCA input/output, power up to 300 MW at 32 ohms, aluminum housing, two headphone outputs (3.5 and 6.35 mm) and two gain modes.
Specifications
Model name
GR70
Maximum Power, 32 Ohms (mW RMS per channel)
300
Maximum Power, 50 Ohms (mW RMS per channel)
N/A
Maximum Power, 300 Ohms (mW RMS per channel)
N/A
Maximum Power, 600 Ohms (mW RMS per channel)
N/A
Frequency response low +/- 3dB (Hz)
N/A
Frequency response high +/- 3dB (Hz)
N/A
Gain (dBu)
N/A
THD (% at 1V RMS, 300 ohms)
N/A
Signal to Noise Ratio (dB)
≥97
IMD (%, CCIR, 300 Ohms)
N/A
Crosstalk (dB, 20Hz-20KHz, 300 Ohms)
N/A
Output Impedance (Ohms)
N/A
Dimensions (mm)
N/A
Weight (g)
N/A
Official link
