Master Preamplifier vs Master Line Stage
The Master Line Stage's signal-to-noise is 69 dB against the Master Preamplifier's 80 dB. Both share thd (0.009%), mm gain (44 dB), and mc gain (64 dB).
AI-generated product photo — not official manufacturer imagery.
Master Preamplifier
Valve Amplification Company (VAC)AmplifiersPre-AmplifiersPhono Pre-AmpsTube Amplifiers
Estimated price (community-sourced)
$22,000 - $32,500
Around — community and catalog average, updates slowly
About the Master Preamplifier
The Valve Amplification Company (VAC) Master Preamplifier is a high-end vacuum-tube stereo line preamplifier with an external power supply, remote motorized volume control, cinema bypass, tape output, and optional integrated MM/MC phono stages. VAC documentation contains variant differences: the manufacturer’s current product page lists 11 dB gain and an optional MC gain of 68 dB, while a VAC factsheet lists 12 dB line gain and 64 dB MC gain. The unit is not established as discontinued; manufacturer product documentation remains available, although production status should be confirmed with VAC or an authorized dealer.
Specifications
Power Specifications
Amplification power output and characteristics
- Amplifier Class
- A
Analog Output
Analog signal output specifications
- THD
- 0.009%
- SNR
- 80 dB
- Output Impedance
- 150Ω
- Max Output Voltage
- 8.0V RMS
Phono Preamplifier
Phono stage specifications
- MM Gain
- 44 dB
- MC Gain
- 64 dB
- Adjustable Loading
- Yes
Connectivity
Input and output connections
- Digital Inputs
- RCA, balanced
- Analog Inputs
- RCA, XLR
- Analog Outputs
- RCA, XLR
Physical Dimensions
Size, weight, and appearance
- Weight
- 27.7 kg (61 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions