The MM7055 is a refined amplifier with ample power for the most demanding home theater setups and delivers exceptional musical clarity.
Read moreAt a glance
All specifications- Frequency response
- 8 Hz to 100 kHz
- Channels
- 5
- Dimensions (W × H × D)
- 440 × 384 × 183 mm
- Weight
- 15.2 kg
- Current Feedback Topology
- Yes
- HDAM version
- No
Overview
In practical terms, the MM7055 is ideal for a “5.1” home theater system, whether based on a moderately powered receiver or a surround sound processor.
Highlights
- Classic Design
- 5 Channels
- 140 Watts per Channel
- Class A/B Amplifier
Features
5

Ideal for Your 5.1 Home Theater System
Marantz sound experts meticulously designed this unit to deliver precise power and accurate musicality.

Cool Machine, Warm Sounds
Physically, the MM7055’s output stages mount on an extruded aluminum “thermal tunnel” for efficient heat dissipation.

More Marantz Power
A massive power supply includes a multiple-secondary EI-core transformer and over 65,000 µF of custom-designed energy storage capacity.

Sound Master Tuned
The Marantz Sound Master meticulously tuned MM7055 for amazing performance with careful parts selection to create the Most Musical Sound in your home.

Flexible Connections
Balanced inputs and single-ended RCA inputs are both supported, and you can choose either type of input for each channel, individually, for easy and flexible connectivity. Audiophile grade, gold-plated four-way binding post speaker terminals insure tight connections to your choice of speaker wire.
Specifications
- Frequency response
- 8 Hz to 100 kHz
- The range of pitches it reproduces, from deep bass to the top of the treble.
- Channels
- 5
- How many speakers it drives at once: 2 for stereo.
- Dimensions (W × H × D)
- 440 × 384 × 183 mm
- Width, height and depth, without cables.
- Weight
- 15.2 kg
- Per unit, out of the box.
- Model code
- MARANTZ-MM7055-BLACK
- Quote it when you ask a specialist.
Features
- Channels
- 5
- Current Feedback Topology
- Yes
- Phono EQ: Standard / Current Feedback / Constant Current Feedback
- No / No / No
- HDAM version
- No
- Power Transformer: Toroidal / El
- No / Yes
- High Grade Audio Components
- Yes
- Customised Components
- Yes
- Symmetric PCB Layout
- No
- Aluminium extrusion heat sink
- Yes
- Copper Plated Chassis
- No
- Tri Tone Control (Bass / Mid / Treble)
- No
- Balance / Bass / Treble / Loudness
- No
Others
- Linear Drive Power Supply
- Yes
- CCNE
- No
- Liniear volume control
- No
- BTL Possibility
- No
- BI-AMP and Multichannel option
- No
- Choke input
- No
- Shottky diodes
- No
- Input buffer amp (all inputs / CD only)
- Yes / No
- Separate Solid Heat Sinks
- No
- System block shielding: Copper / metal / none
- No / No / No
- Double Layer Bottom Plate
- No
- Low noise LCD display
- Yes
- Low noise LED display
- No
- Power Meter : Analog / Digital
- No / Yes
- Source Direct
- No
- Power Amp direct
- Yes
- Standby Mode
- Yes
- 5mm aluminium top plate
- No
Inputs Outputs
- Audio Inputs
- No
- Phono Input: MM / MC
- No
- Audio Outputs
- No
- Balanced In / Out
- 5 / No
- Pre-out / Main-in
- No / 5
- Power Amp Direct IN
- No
- Gold Plated Cinch
- No
- Speaker A / B
- No
- Speaker Terminal: Screw / Marantz / WBT
- Yes / No / No
- Number of terminals
- 5
- D-Bus
- Yes
- Floating Control Bus (3.5 mm mono jack x 2)
- No
- Remote Power Control Trigger - In Out
- Yes
- Flasher In / IR Receiver In
- Yes / No
- Headphone Out
- No
- iPod input (direct / docking station)
- No / No
Specifications
- Power Output (8 / 4 Ohm RMS)
- 140 W / 170 W (6)
- Power Output (8 / 4 Ohm DIN)
- No
- Power Output (8 / 4 Ohm IHF)
- No
- Bridged Power Output (8 Ohm RMS)
- No
- Frequency response
- 8 Hz-100 kHz (+-3 dB)
- Total Harmonic Distortion
- 0.03% (20 Hz - 20 kHz)
- Damping Factor
- 100
- Input Sensitivity: MM
- No
- Input Sensitivity: MC
- No
- Signal to Noise Ratio: MM/MC
- No
- Input Sensitivity: High level
- 1.2 V / 22 K
- Input Sensitivity: Balanced High level
- 2.4 V / 30 K
- Signal to Noise Ratio: High level
- 105 dB
General
- Available Colors: Gold / Silver / Black / Silver-Gold
- No / No / Yes / No
- Metal Front Panel
- Yes
- Power Consumption in W
- 400
- Standby Consumption in W
- 0.4
- Auto Power off
- Yes
- Detachable Power Cable
- Yes
- Remote Control
- No
- System Remote Function
- No
- Maximum Dimensions (W x D x H) in mm
- 440 x 183 x 384
- Weight in kg
- 15.2
Downloads
2
- MM7055 User Guide - EnglishManual · English · PDF, 2.4 MBDownload
- MM7055 Sell SheetDatasheet · English · PDF, 617 KBDownload
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