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MARANTZ MM7055

MARANTZ MM7055

Centrallager (2-5 arbetsdagar för varor som finns i lager hos leverantören.)
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Produktbeskrivning

Den nya MM7055 är femkanalsalternativet i årets utökade förstärkarprogram. Den bygger på den teknik som används i MM8003 och har precis samma chassi. Uteffekten är dunkande 140W RMS i 8 ohm till var och en av kanalerna, medan en ultra-bred bandbredd och current feedback-teknik enkelt hanterar de högsta SACD frekvenserna - idealiskt för High Definition DTS Master Audio och Dolby TrueHD-format. Resultatet? Både tonalitet och ljudbild i exakt balans, snabbhet och dynamik. Och till på köpet får du också XLR ljudingångar, DC triggers och Marantz' styrsystem för fjärrstyrning på/av. Detta är kraft och enkelhet som kommer att ta andan ur dig.

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.


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.



Specifikation

FEATURES MM7055

Channels 5
Current Feedback Topology o
Phono EQ: Standard/Current Feedback/Constant
Current Feedback
- / - / -
HDAM version -
Power Transformer: Toroidal/El -/ o
High Grade Audio Components o
Customised Components o
Symmetric PCB layout -
Aluminium extrusion heatsink o
Copper plated chassis -
Tri-Tone Control (Bass/Mid/Treble) -
Balance/Bass/Treble/Loudness - / - / - / -
OTHERS
Linear Drive Power Supply o
BTL possibility -
Bi-Amp and Multichannel option -
Shottkey diodes -
Input Buffer Amp (All inputs/CD only) o / -
Seperate solid heatsinks -
System block shielding: copper/metal/none - / - / -
Double layer bottom plate -
Source Direct -
Power Amp Direct o
Standby mode o
INPUTS/OUTPUTS
Phono Input: MM/MC - / -
Balanced In/Out 5 / -
Pre-Out/Main In - / 5
Power Amp Direct In o
Gold Plated Chinch -
Speaker A/B -
Speaker terminal: Screw/Marantz/WBT o / - / -
Number of terminals 5
Marantz remote bus o
Remote power control (Trigger In/Out) o
Flasher In/IR receiver In o / -
Headphone Out -

SPECIFICATIONS
Power Output (8/6 Ohm RMS) 140/170 Watts
Power Output (8/6 Ohm DIN) -
Power Output (8/6 Ohm IHF) -
Bridged Power Output (8 Ohm RMS) -
Frequency Response 8Hz-100kHz
Total Harmonic Distortion 0.03%
Damping Factor 100dB
Input Sensitivity: MM -
Input Sensitivity: MC -
Signal to Noise Ratio: MM/MC - / -
Input Sensitivity: High level 1.2V/22kohm
Input Sensitivity: Balanced High level 2.4V/30kohm
Signal to Noise Ratio: High level 105dB
GENERAL
Available colors: Gold/Silver/Black/Silver-Gold -/-/o/-
Metal Front Panel o
Power Consumption in W 440
Standby Consumption in W 0.4
Auto Power off o
Detachable Power Cable o
Remote Control -
System Remote Function -
Maximum Dimensions (W x D x H) in mm 440x384x184.5
Weight in kg 15.2

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