Musical Fidelity M6si500 Dual Mono Integrated Amplifier - Black
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Musical Fidelity M6si500 Dual Mono Integrated Amplifier - Black
A 500-watt-per-channel dual-mono integrated amplifier that puts a separate preamp and two independent monobloc power amps in a single chassis — built to drive any speaker with effortless power and control.
✔ 60-Day Money-Back Guarantee — Try it risk-free for 60 days
✔ Free Shipping on orders over $49
✔ Financing Available — Pay over time | Learn more
✔ Price Guarantee — We match authorized dealer pricing | See policy
✔ Expert Help — Call us at 800-942-0220, weekdays 9am–6pm EST
- Genuine dual-mono integrated amplifier: separate preamp with two independent monobloc power amplifiers in a single chassis.
- 500 watts per channel into 8 ohms (27dBW) for effortless dynamics and complete speaker control.
- Each channel has its own dedicated transformer and heatsink; preamp has its own power supply winding.
- 12 large bipolar output transistors per channel delivering 200 amps peak-to-peak current.
- Precision digital volume control with laser-trimmed substrate resistors for perfect channel tracking at all levels.
- Ultra-short signal path: input sockets connected directly to the main preamp circuit board without wire connections.
- Five inputs: 4 line-level RCA (CD, Tuner, Aux/HT, Tape) plus 1 balanced XLR pair.
- Home theater bypass (Aux/HT input) for seamless surround sound integration.
- Pre-out (variable) and fixed line output for subwoofers, recording, or secondary zones.
- Four sets of speaker binding posts (two per channel) for bi-wiring.
- THD as low as 0.008% at 1 kHz; signal-to-noise ratio greater than 100 dB.
- Military-grade aluminum front panel extrusion with custom-made heatsinks.
- Remote control for volume, input selection, and mute.
- Available in Black or Silver finish.
- Power Output: 500 watts per channel into 8 Ω (27dBW)
- Architecture: Dual-mono (separate preamp + two independent monobloc power amps)
- Output Transistors: 12 bipolar per channel; 200A peak-to-peak
- THD+N: <0.01% typical (20 Hz – 20 kHz); 0.008% at 1 kHz; 0.015% at 20 kHz
- Signal-to-Noise Ratio: >100 dB (A-weighted)
- Frequency Response: +0, –0.1 dB (10 Hz – 20 kHz)
- Volume Control: Precision digital with laser-trimmed substrate resistors
- Line Inputs: 4 pairs RCA (CD, Tuner, Aux/HT, Tape) — 1 with home theater bypass
- Balanced Input: 1 pair XLR
- Pre Out: 1 pair RCA (variable)
- Fixed Out: 1 pair RCA
- Speaker Outputs: 4 sets binding posts (2 per channel, bi-wire capable)
- Dimensions (W × H × D): 440 × 160 × 460 mm / 17.3” × 6.3” × 18.1”
- Weight: 30 kg / 66 lbs (unpacked); 35 kg / 77 lbs (packed)
- Finish: Black or Silver
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