Marantz MM7055 - 5 Channel Power Amplifier

Description

The Marantz MM7055 is a 5-channel power amplifier delivering 140W per channel at 8 ohms, built with a current feedback discrete amplifier design derived from the Marantz SM-11S1 Hi-Fi amp. It offers balanced and unbalanced inputs on every channel for flexible integration with pre-amplifiers and processors.

Features

• Current feedback discrete amplifier with Wilson current mirror circuit
• Large power transformer with 33,000 μF block condenser for instant power delivery
• Chimney-shaped heat sinks with temperature-controlled cooling fans
• Balanced and unbalanced inputs on every channel
• IR flash input and DC trigger input/output for custom installations
• Remote power on/off sync with compatible Marantz pre-amplifiers
• Gold-plated speaker terminals
• Detachable IEC power cord

Specifications

• Channels: 5
• Power output: 140W per channel at 8 ohms (20 Hz–20 kHz, THD 0.08%, 2ch driven); 170W at 6 ohms
• Frequency response: 8 Hz to 100 kHz (±3dB, 1W, 8 ohms)
• Damping factor: 100
• Input sensitivity: 1.2V/22kΩ (unbalanced); 2.4V/30kΩ (balanced)
• Signal to noise ratio: 105 dB (IHF-A)
• Voltage amplification: 29 dB
• Dimensions (W x H x D): 17.3 x 7.2 x 15.1" / 440 x 183 x 384 mm
• Weight: 34.6 lb / 15.7 kg