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Marantz MM7025 2-Channel Power Amplifier

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mm7025

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The MM7025 is a ideal two-channel main amplifier with 140W rms into 8 ohms per channel

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$ 2,999.00

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The MM7025 is this year’s ideal two-channel main amplifier with a whopping 140W rms into 8 ohms per channel. Use it in an AV setup to give your front channels an earth-moving boost or simply to make a sensational upgrade to an existing stereo system. And, because the technology is the same as that in the MM7055 and MM8003 using them in combination is fast, efficient and friendly. It’s a great flexible customisation enabler. And, as with the big brother MM7055, it also includes a new stylish display, XLR inputs, DC triggers and Marantz bus.

Current Feedback

Current Feedback amplification is a well known, Marantz’ original circuit technology. The Current Feedback amplifier technology fits perfectly with the high requirements set for Super Audio software providing wide-bandwidth, high-speed reproduction. The impedance at the Current Feedback point is limited resulting in a very low phase shift. Marantz receivers and amplifiers equipped with Current Feedback can keep the phase compensation via Negative FeedBack (NFB) to a minimum, resulting in high through-rate, excellent transient response and superb sonic transparency for the full bandwidth. Unlike conventional Voltage Feedback amplification, the Current Feedback amplification makes the power amplifier in-sensitive to difficult loudspeaker loads.

Customized Components

On paper an electrical component might look excellent but the result may fall short of the combined design expectations. Marantz selects the appropriate components for the specific design application. In some cases it’s simply not possible to use standard components that meet the high Marantz standards. These components will then be specially made for Marantz in close cooperation with the Marantz engineers.

DC-Trigger

A DC trigger is an assignable voltage output which can automatically control for example an electrical projection screen, lowering it when the DVD input is chosen on the receiver.

IR Flasher IN

The IR-Flasher IN is a standardized connection to control the AV system by external IR receivers independent of the infra red control format used. On the IR-Flasher OUT an IR-Emitter can be connected to controlled third brand components. The third connection link to this is the IR-Receiver INPUT which is similar to the IR-Flasher In, but it outputs a voltage to directly feet an external IR-Receiver eye. Please check capability per product in the specification section.

Linear drive power supply

LDPS - Marantz own technology to design a power supply capable to follow all details of an audio signal to reproduce the finest sound quality.

Features

Channels2
Current Feedback Topology
Phono EQ: Standard / Current Feedback / Constant Current Feedback- / - / -
HDAM version
Power Transformer: Toroidal / El- / o
High Grade Audio Components
Customised Components
Symmetric PCB Layout
Aluminium extrusion heat sink
Copper plated chassis
Tri Tone Control (Bass / Mid / Treble)
Balance / Bass / Treble / Loudness

Others

Linear Drive Power Supply
CCNE
Liniear volume control
BTL Possibility
BI-AMP and Multichannel option
Choke input
Shottky diodes
Input buffer amp (all inputs / CD only)o / -
Separate Solid Heat Sinks
System block shielding: copper / metal / none- / - / -
Double Layer Bottom Plate
Low noise LCD display
Low noise LED display
Power Meter : Analog / Digital- / o
Source Direct
Power Amp direct
Standby Mode
5mm aluminium top plate

Inputs/Outputs

Audio Inputs
Phono Input: MM / MC
Audio Outputs
Balanced In / Out2 / -
Pre-out / Main-in- / 2
Power Amp Direct IN
Gold Plated Cinch
Speaker A / B
Speaker Terminal: Screw / Marantz / WBTo / - / -
Number of terminals2
D-Bus
Floating Control Bus (3.5 mm mono jack x 2)
Remote Power Control Trigger - In Out
Flasher In / IR Receiver Ino / -
Headphone Out
iPod input (direct / docking station)- / -

Specifications

Power Output (8 / 4 Ohm RMS)140 W / 170 W (6)
Power Output (8 / 4 Ohm DIN)
Power Output (8 / 4 Ohm IHF)
Bridged Power Output (8 Ohm RMS)
Frequency Response8 Hz-100 kHz (+-3 dB)
Total Harmonic Distortion0.03% (20 Hz - 20 kHz)
Damping Factor100
Input Sensitivity: MM
Input Sensitivity: MC
Signal to Noise Ratio: MM / MC
Input Sensitivity: High level1.2 V / 22 K
Input Sensitivity: Balanced High level2.4 V / 30 K
Signal to Noise Ratio: High level105 dB

General

Available colors: Gold / Silver / Black / Silver-Gold- / - / o / -
Metal Front Panel
Power Consumption in W220
Standby Consumption in W0.4
Auto power off
Detachable Power Cable
Remote Control
System Remote Function
Maximum Dimensions (W x H x D) in mm440 x 126 x 352
Weight in kg10.5