MM8077
The MM8077 is a 7-channel Class A/B power amplifier rated at 150 W per channel into 8 ohms, intended for home cinema and multichannel hi-fi systems. It uses discrete current-feedback output stages and a toroidal-transformer power supply.
- 7 channels, Class A/B, 150 W per channel into 8 ohms
- Discrete current-feedback output stages on all channels
- Toroidal transformer, 100,000 µF total filter capacitance
- 7 balanced inputs; 7 main-in connections
- THD 0.03% (20 Hz–20 kHz), damping factor 100
- Weighs 18 kg; black finish only
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The MM8077 is a seven-channel power amplifier that delivers 150 W per channel into 8 ohms (180 W into 6 ohms). It is designed to drive a multichannel home cinema or hi-fi setup from a separate preamplifier or AV processor.
Each channel has a discrete current-feedback output stage built from high-current, high-slew-rate transistors with wide bandwidth. The power supply combines a high-current toroidal transformer with high-current filter capacitors (71 WVDC, 100,000 µF in total). The chassis is copper-plated and has a metal front panel and extruded aluminium heat sinks, with separate solid heat sinks fitted with a tunnel arrangement.
All seven inputs are balanced, and seven preamp-style inputs are also provided as main-in connections. The amplifier has gold-plated RCA connectors, screw-type speaker terminals, a power-amp direct function, a 12 V trigger remote power connection, automatic standby and a detachable mains cable. It is offered in black.
Video
Specifikationer
- Mærke
- Marantz
- Model
- MM8077
- Kategori
- Hi-Fi og hjemmelyd › Forstærkere
Audio
- Channels
- 7
- Power output (8 ohms RMS)
- 150 W
- Power output (6 ohms RMS)
- 180 W
- Frequency response
- 10 Hz - 100 kHz (±3 dB)
- Total harmonic distortion
- 0.03% (20 Hz - 20 kHz)
- Damping factor
- 100
- Signal-to-noise ratio
- 105 dB
- Current feedback topology
- Yes
Inputs
- Balanced inputs
- 7
- Main in
- 7
- Input sensitivity, high level
- 1.2 V / 22 kohms
- Input sensitivity, balanced high level
- 2.4 V / 30 kohms
- Gold-plated RCA
- Yes
- Power amp direct
- Yes
Outputs
- Speaker terminals
- Screw type
- Number of speaker connections
- 7
Connectivity
- Remote power trigger (in/out)
- Yes
- Flasher in
- Yes
Power
- Power transformer
- Toroidal
- Filter capacitors
- 71 WVDC, 100,000 µF total
- Power consumption
- 880 W
- Standby consumption
- 0.4 W
- Auto standby
- Yes
- Detachable mains cable
- Yes
Physical
- Dimensions (W x D x H)
- 440 x 185 x 384 mm
- Weight
- 18 kg
- Colour
- Black
- Front panel
- Metal
- Chassis
- Copper-plated
- Heat sinks
- Extruded aluminium, separate solid with tunnel