D 300 Pre-amplifier


THD+N: 0.01 % 1kHz, 2 V rms, 600Ω
SNR: 99 dB
Voltage gain: 1kHz 2.2 times
Frequency Response: 10 100kHz, 600Ω ±1 dB
ZIN: 100 kΩ
Volume: 300*175*70mm
Weight: 2.23 Kg

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This machine is a pre amplifier for power amplifiers.
The preamplifier uses 6J1 vacuum tubes as the input amplifier.
The voltage drive of the BUF makes the front stage not only have sufficient driving force, but also have a warm and sweet sound, which effectively improves the sound quality of the power amplifier.

Additional information

Weight 2.25 kg
Dimensions 30 × 17.5 × 7 cm


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