The Audio-GD LP-1 MC is a high-performance RIAA phono amplifier compatible with MC-cell turntables that features a thoughtful design that corrects the shortcomings common to many preamps of this type. Here, a low-pass filter (75uS) at the input provides a more linear response from 1 kHz to 20 kHz.
All of the LP-1 MC’s circuitry is designed to provide smooth, accurate sound reproduction. This includes a regenerative power supply consisting of 4 Class A power supplies, ACSS circuitry and quality components such as 2SK170 FETs in the input and output buffers.
The regenerative power supply can block most power line interference, providing a clean and stable signal for audio circuits. For this purpose, the MK LP-1 circuit uses regenerative transformers, class A power supplies, a wave generator and amplification amplifiers. Additionally, each audio circuit has its own power supply.
Characteristics of Audio-GD LP-1 MC:
- Product Type: RIAA Phono Preamplifier
- Phono compatibility: MC
- Inputs: 1x stereo RCA
- Outputs: 1x stereo RCA/1x stereo XLR/1x ACSS
- SNR: 80 dB
- THD+N: 0.05% (A-Weighting)
- Frequency response: 20 Hz – 20 kHz (-1 dB)
- Gain: +60 dB @ 1 kHz
- Output voltage: 500mV @ 1kHz, 0.5mV
- Output Impedance: 10 ohms @ RCA / > 1k ohms @ ACSS
- Input impedance: 20-600 ohms
- Supply voltage: 220-240V AC 50/60Hz
- Consumption: 10W
- Weight: ~5 kg
- Dimensions: 240 x 360 x 85 mm
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