Marantz PM7001 KI

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Specifications

The KI Signature series is for years a pseudonym for finest electronics with best sound quality. Every aspect of the design and construction of the PM7001 Modified KI stereo amplifier has received Ken Ishiwata’s personal attention to attain uncompromised quality. The copper-plated chassis and rear panel reduce signal-degrading electromagnetic interference, while its rigid dual layer chassis and solid aluminum front panel virtually eliminate mechanical vibration. Delivering 2 x 70 watts into 8 ohms (120 watts, 4 ohm), this 2-stage constructed Current Feedback amplifier features symmetrical circuits for perfect image balancing, and uses audiophile Customized Components and the new HDAMs to preserve the music’s dynamic structure, tonal quality and stereo image. Power handling characteristics have been reshaped and the large toroidal transformer is designed for this renewed circuitry. Its low impedance, wide-bandwidth power supply ensures a massive reserve of energy, to drive even difficult speakers with ease. Enjoy the exclusivity of the Ken Ishiwata Signature integrated amplifier.
 

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Tech Sheet

Output power 2 x 70 Watts
Toroidal Transformer
Current feedback amplification
New HDAM
Customized Components
Symmetric circuit architecture
Source direct circuit
Two pairs of speaker outputs
D-Bus & system remote control 

Channels 2 
Current Feedback Topology  
Class A amplification  
Linear Drive Power Supply  
CCNE  
Power Transformer Torroidal 
HDAM Current Feedback 
Symmetric PCB Layout  
Chassis Copper plated 
High Grade Audio Components  
Customized Components  
System Block Shielding 
BTL Possibility  
Treble, Bass  
Balance  
Loudness  
Source Direct  
Separate Solid Heatsinks  
Speaker A/B  
Record Selector Full 
Tape Monitor  
Temperature Gauge  
Standby mode  
Gold Plated Cinch  
IN/OUTPUTS
Audio Inputs 6 
Phono Input MM 
Audio Outputs 2 
Balanced I/O 
External Control In 
Processor I/O  
Pre-out / Main in 1 / 1 
D-Bus I/O  
Speaker Terminal WBT 
AC Outlets 1 
SPECIFICATIONS
Power Output (8/4 Ohm RMS) 75/120 Watt 
Frequency Range 10 - 60000 Hz 
Total Harmonic Distortion(THD) 0.01 % 
Bridged Power Output 
Damping Factor 100 
Input Sensitivity MM/MC 3mV/47 kOhm 
Input Sensitivity High Level 200 mV 
Input Sensitivity Balanced 
Signal to Noise MM/MC 85 dB 
Signal to Noise High Level 88 dB 
Channel Separation 
Headphone Out  
GENERAL
Color Silver, Black 
Front Panel Metal 
Remote Control RC4001PM 
Power Consumption 470 W 
Detachable Power Cable  
Dimensions WxHxD (mm) 440 x 364 x 12 
Weight 10.5 kg