The Marantz MM7055 is a five channel power amplifier, that 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, this also makes it ideal for the high definition DTS Master Audio and Dolby TrueHD formats too. The result being precise tonal and image balance, speed and dynamics. The unit also features XLR audio inputs, DC triggers and a Marantz control bus system for remote on/off. There is even a stylish new display screen showing the actual output power.
23738
MTZ-MM7055-BLK
Brand-new, unused, unopened and undamaged item in original retail packaging (where applicable).
New
Limited 2-3 year warranty. More info
Limited 2-3 year warranty. Please see manufacturers website for full details.
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The Marantz MM7055 is a five channel power amplifier, that 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, this also makes it ideal for the high definition DTS Master Audio and Dolby TrueHD formats too. The result being precise tonal and image balance, speed and dynamics. The unit also features XLR audio inputs, DC triggers and a Marantz control bus system for remote on/off. There is even a stylish new display screen showing the actual output power.
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.
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.
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.
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.
Linear drive power supply (LDPS) is Marantz own technology to design a power supply capable to follow all details of an audio signal to reproduce the finest sound quality.
5ch power amplifier
5x 140W (8ohm) / 5x 170W (6ohm)
Current Feedback circuitry
High performance power supply
XLR inputs
DC Trigger control inputs
| Channels | 5 |
|---|---|
| Current Feedback Topology | Yes |
| Power Transformer | EL |
| High Grade Audio Components | Yes |
| Customised Components | Yes |
| Aluminium Extrusion Heat Sink | Yes |
| Linear Drive Power Supply | Yes |
|---|---|
| Input buffer amp (all inputs / CD only) | Yes / No |
| Low noise LCD display | Yes |
| Power Meter | Digital |
| Power Amp Direct | Yes |
| Standby Mode | Yes |
| Balanced In / Out | 5 / None |
|---|---|
| Pre-out / Main-in | None / 5 |
| Speaker Terminal | Screw |
| Number of terminals | 5 |
| D-Bus | Yes |
| Remote Power Control (Trigger - In / Out ) | Yes |
| Flasher In / IR Receiver In | Yes / No |
| Power Output (8 / 4 Ohm RMS) | 140 W / 170 W (6) |
|---|---|
| Frequency Response | 8 Hz-100 kHz (+-3 dB) |
| Total Harmonic Distortion | 0.03% (20 Hz - 20 kHz) |
| Damping Factor | 100 |
| 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 colours | Black |
|---|---|
| Metal Front Panel | Yes |
| Power Consumption | 400W |
| Standby Consumption | 0.4W |
| Auto power off | Yes |
| Detachable Power Cable | Yes |
| Maximum Dimensions (W x H x D) | 440 x 183 x 384mm |
| Weight | 15.2kg |
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This unit features XLR sockets for superior true balanced connectivity. XLR plugs and sockets also feature locking mechanisms for a more secure connection.
