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More natural music reproduction
The refined array of circuit innovation inside the PM8004s chassis are all devoted to one goal more natural music reproduction.
One of the first things youll notice about the PM8004 is the front panels TriTone tone controls. Tri-Tone adds a midrange control to the more conventional bass and treble adjustments. Tri Tone actually dates back to Marantzs 1954 Model 1 Preamplifier and is even more useful today to correct frequency imbalances that often characterize compressed music sources such as iPods.
A Solid Foundation - Power Supply and Parts Selection
Specified by Marantz engineers, a large torroidal transformer is the foundation for the PM8004s power supply. Its circular shape and double shielding helps control stray magnetic fields that could adversely affect sound quality
The PM8004 also benefits from a wide array of parts carefully selected only after extensive laboratory evaluation and listening-room audition. This process, call Sound Tuning, assures you of optimal performance.
High Current Amplifier
The 70 watts per channel (8 ohms) amplifier section delivers high instantaneous current so musical peaks retain their full dynamic range. The PM8004s mechanical and electrical aspects are designed to minimize the length of power supply lines and their potential interference. Individual power supply segments are located on the same heat sinks as the output transistors. The benefit is that the PM8004 responds instantly and crisply to musical transients that lesser amplifiers would simply blur.
Short Signal Paths for Clearer Sound
For critical listening, the PM8004 includes a Source Direct switch that bypasses balance and tone control circuits for pristine reproduction.
Easily Integrates into Your Home Theater System
Power Amp Direct allows you integrate a dedicated 2 channel Hi-fi system with your home theater receiver and easily switch between modes. A convenient front panel switch optimizes the main-in terminals for use with a separate surround processor so you can enjoy the same Left and Right speakers you use for stereo. This switch also disables the PM8004s front panel controls (input selection, volume, balance, etc.) so that the surround processor acts as the control center when youre enjoying surround sound. Another three-second push on the Power Amp Direct button restores the PM8004 to normal stereo operation.
Audio Circuitry Designed for Superb Listening
Both preamp and power amp sections use fully-discrete, high speed current feedback circuits for minimal phase shift and better detail resolution. The phono input is a fully discrete, constant-current design optimized for moving magnet phono cartridges.
Hyper Dynamic Amplifier Module
Marantzs notable HDAM® SA3, the most recent addition to the Hyper Dynamic Amplifier Module series, performs critical stage-to-stage signal transfers that leave the music unaffected. Most inputs benefit from a common buffer circuit that minimizes unwanted interactions between source and amp. The CD input enjoys a separate buffer for even better isolation. Even the Record Out terminals are buffered for enhanced recording clarity.
Beautiful Appearance, Functional Design
The PM8004s front panel uses a carefully chosen combination of aluminum and glass-reinforced resin to create a distinctive three dimensional appearance. Indirect reflecting blue LEDs indicating input selection, etc., heighten that elegant appearance. Aluminum front panel knobs add solidity while the high precision motorized volume control responds instantly to both touch and the PM8004s included remote control.
As a proper foundation for the PM8004s feature-rich performance, the chassis itself includes a triple-layer bottom plate to insure long-term alignment and vibration control.
Attention to Detail
Other details, those affecting both connectivity and convenience, add to the PM8004s appeal. Rear panel speaker connectors, for example, are Marantz-original heavy duty designs ideally suited for use with audiophile speaker cable. With A/B speaker connectors and a front panel switch, you can select speakers in two different locations. Other rear panel input and output terminals are gold-plated for long-term corrosion resistance and better conductivity.
In short, the Marantz PM8004 provides exceptional music reproduction for the most discriminating listener. And it doesnt short-change the home theater enthusiast, either. And for rack mounting, the RMK8754MSP will be available shortly.
THD 0.02% (20Hz 20kHz, 2 channel driven, 8 ohms load)
Input Sensitivity/Impeance PHONO:MM:2mV/47k ohms, LINE:200mV/20k ohms, Power Amp Direct In:1.6V/15k ohms
Frequency response 5Hz 100kHz ±3dB (CD, 1W, 8 ohms load)
S/N Ratio PHONO:MM:87dB, LINE:106dB, POWER AND DIRECT IN:125dB
Number of Channels 2
Output Power 70W (8 ohms), 100W (4 ohms)
Power Transformer Double-shielded Toroidal Transformer
Current Feedback Amplifier
Speaker Terminal Marantz Original Custom x2 pair
Tone Control New Tri Tone Control (Bass: 50Hz, Mid: 900Hz, Treble: 15kHz)