PMG Signature Preamplifier
PMG Signature Preamplifier
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Key to PMG Preamplifier Performance
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Design
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Application
Technology
The Paul McGowan Signature Preamplifier is a statement of what's possible when nothing is held back. Designed by Darren Myers and carrying the name of our founder for the first time in 50 years, this is the culmination of a lifetime of innovation. Fully balanced from input to output, every stage features zero-feedback Diamond buffers for unmatched speed, transparency, and control. A high-resolution stepped attenuator ensures precise volume with 1/10th dB channel accuracy, revealing microdynamics with lifelike precision. At its heart is a revolutionary power supply that eliminates traditional electrolytic capacitors, replacing them with long-life, sonically superior film capacitors. The result is lightning-fast transient response, deeper silence, and greater dynamic swing. Housed in a double chassis construction that shields against noise and interference, the PMG Signature achieves a noise floor of -145dB—so quiet it’s not there. What you hear is exactly what was recorded—nothing added, nothing taken away. No glare, no grain, no veil. Just the music, uncolored and alive. The PMG Signature is the finest preamplifier we have ever built.
Features
Specifications - PMG Signature Preamplifier
Physical |
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Unit Weight | 30 lbs / 13.6 kg |
Unit Dimensions | 14 3/4” x 17 1/2” x 4 3/8” (with feet) 375 mm x 445 mm x 112 mm (with feet) |
Shipping Weight | 34 lbs / 15.4 kg |
Shipping Dimensions | 20 1/2” x 24” x 10” 521 mm x 610 mm x 254 mm |
Power Requirements |
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Input Power | Auto Voltage: 120VAC or 230VAC 50 or 60Hz |
Power Consumption | 18W |
Connectors |
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Audio Inputs | RCA / Single-Ended: 2 pair XLR / Balanced: 4 pair |
Audio Outputs | RCA / Single-Ended: 2 pair XLR / Balanced: 2 pair |
Trigger Output | 2 |
USB | For USB firmware update only |
Performance |
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Max Gain | 12.6dB |
Frequency Response | 15Hz-150kHz, +/- 0.1dB |
Input Impedance | 50K Ω RCA / Single-Ended 100K Ω XLR / Balanced |
Bandwidth | 5Hz-500kHz, -3dB |
THD | < .0002% @ 1kHz, 1VRMS input |
THD+N | < .0003% @ 1kHz, 1VRMS input |
IMD | .0005% @ 1VRMS input, CCIF, 20kHz mean, 1kHz difference |
Crosstalk | -135dB, One channel driven |
Output level | 9VRMS Single-ended / 18VRMS Balanced @ 1% THD+N |
Output Impedance | 100Ω |