331 vs No. 335
The No. 335's power @ 8ω is 250W against the 331's 100W and its power @ 4ω 500W against 200W. Both share signal-to-noise (80 dB) and damping factor (>800).
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$3,250
Around — community and catalog average, updates slowly
About the 331
The Mark Levinson 331 is a dual monaural solid-state stereo power amplifier designed for high-fidelity audio systems. It delivers a minimum of 100 watts per channel continuous into 8 ohms, doubling to 200 watts into 4 ohms and 400 watts into 2 ohms. The amplifier features a frequency response of 20Hz to 20kHz, total harmonic distortion of 0.5%, and a damping factor greater than 800 into 8 ohms. It has a voltage gain of 26.8 dB, input sensitivity of 1.3V for full output, and a signal-to-noise ratio of 80 dB. It supports balanced XLR and single-ended RCA inputs and includes adaptive biasing, extensive protection circuits, and remote turn-on capabilities.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 100W @ 8Ω
- Power @ 4Ω
- 200W @ 4Ω
- Damping Factor
- >800
- Minimum Impedance
- 2Ω
- Input Sensitivity
- 1.3V RMS
- Input Impedance
- 100Ω
Analog Output
Analog signal output specifications
- THD
- 0.500%
- SNR
- 80 dB
- Output Impedance
- 0.05Ω
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA, XLR
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 446 × 232 × 479 mm (W × H × D)
- Weight
- 50.9 kg (112 lbs)
Key Specifications
Power: 100W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions