Marantz MM7055 Power Amplifier


The new MM7055 is the five-channel option in this year’s extended line-up of main amplifiers. Based on the technology used in the MM8003 and using the exact same chassis, it delivers a thumping 140W rms into 8 ohm to each of the channels, while the ultra-wide bandwidth current feedback technology easily handles the highest SACD frequencies


Marantz MM7055 Power Amplifer.

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

Linear Drive Power Supply Yes
Liniear volume control No
BTL Possibility No
BI-AMP and Multichannel Yesption No
Choke input No
Shottky diodes No
Input buffer amp (all inputs / CD Yesnly) 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

Audio Inputs No
Phono Input: MM / MC No
Audio Yesutputs No
Balanced In / Yesut 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 Yesf terminals 5
D-Bus Yes
Floating Control Bus (3.5 mm mono jack x 2) No
Remote Power Control (Trigger No In / Yesut ) Yes
Flasher In / IR Receiver In Yes / No
Headphone Yesut No
iPod input (direct / docking station) No / No

Power Yesutput (8 / 4 Yeshm RMS) 140 W / 170 W (6)
Power Yesutput (8 / 4 Yeshm DIN) No
Power Yesutput (8 / 4 Yeshm IHF) No
Bridged Power Yesutput (8 Yeshm RMS) No
Frequency Response 8 Hz-100 kHz (+-3 dB)
Total Harmonic Distortion 0.03% (20 Hz No 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

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 Yesff Yes
Detachable Power Cable Yes
Remote Control No
System Remote Function No
Maximum Dimensions (W x H x D) in mm 440 x 183 x 384
Weight in kg 15.2

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