No. 33H vs Electrocompaniet AW400
The AW400's power @ 8ω is 400W against the No. 33H's 150W, its signal-to-noise 84 dB against 80 dB, its power @ 4ω 765W against 300W, and its output impedance 0.01Ω against 0.05Ω.
AI-generated product photo — not official manufacturer imagery.
No. 33H
Mark LevinsonAmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$11,249.50
Around — community and catalog average, updates slowly
About the No. 33H
The Mark Levinson No. 33H is a monaural power amplifier rated at 150 watts continuous RMS into 8 ohms and 300 watts into 4 ohms, designed to deliver extraordinary power to complex loudspeaker impedances. It features a massive 3.417 kVA toroidal transformer and a fully balanced circuit topology from input to output. Frequency response is within 0.2 dB from 20Hz to 20kHz, signal-to-noise ratio is better than -80 dB referenced to 1W, voltage gain is 26.8 dB, and output impedance is less than 0.05 ohms. Connectivity includes balanced XLR and single-ended RCA inputs, custom binding posts for speaker connections, trigger in/out jacks, and Mark Levinson Linking communication ports.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 150W @ 8Ω
- Power @ 4Ω
- 300W @ 4Ω
Analog Output
Analog signal output specifications
- SNR
- 80 dB
- Output Impedance
- 0.05Ω
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- XLR, RCA
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 279.4 × 470 × 580.1 mm (W × H × D)
- Weight
- 100 kg (220 lbs)
Key Specifications
Power: 150W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions