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Description
Overview
Marantz, a brand synonymous with high-fidelity sound and engineering excellence, introduces the MM-7055 — a powerful 5-channel power amplifier designed to elevate both home theatre and multi-channel audio systems.
Built using technologies derived from Marantz’s reference series and meticulously tuned by Sound Masters, the MM-7055 delivers exceptional clarity, dynamic power, and precise control. Whether used as the backbone of a 5.1 surround system or as an upgrade to an existing AV receiver, it brings cinematic impact and musical refinement to every listening experience.
Engineered for demanding audio environments, the MM-7055 combines robust construction, high-current amplification, and flexible connectivity to deliver uncompromised performance.
Key Features
- Power Output: 140W × 5 channels (8Ω), 170W × 5 (6Ω)
- Class A/B amplification for natural and dynamic sound
- Current Feedback amplifier design for high-speed, accurate signal response
- High instantaneous current capability for demanding speakers
- Balanced (XLR) and unbalanced (RCA) inputs for flexible connectivity
- Massive power supply with 65,000 µF capacity
- Gold-plated speaker terminals for optimal signal transfer
- DC trigger and system integration support
Powerful Multi-Channel Performance
At the core of the MM-7055 is a high-current amplifier delivering 140 watts per channel across five channels, ensuring powerful, consistent performance across all speakers in a surround setup.
This allows the amplifier to:
- Drive full 5.1 speaker systems effortlessly
- Maintain clarity during dynamic movie scenes
- Deliver deep bass and precise control
Its ability to sustain power across the full frequency range ensures distortion-free playback even at higher volumes.
Designed for Home Theatre Excellence
The MM-7055 is specifically engineered for 5.1 channel home theatre systems, making it ideal for powering front, center, and surround speakers.
It can be used:
- With AV processors for a high-end cinema setup
- As a power upgrade for AV receivers
- Alongside additional amplifiers for larger systems (7.1 / 9.1 setups)
The result is a more immersive and impactful surround sound experience.
Current Feedback Technology
The MM-7055 features Marantz’s proprietary Current Feedback amplifier design, ensuring:
- Faster signal response
- Wide bandwidth performance
- Improved stability under load
This technology enhances accuracy and detail, delivering a sound that is both dynamic and natural.
High-Performance Power Supply
A key highlight of the MM-7055 is its massive power supply, featuring:
- Large EI-core transformer
- Over 65,000 µF energy storage capacity
This ensures:
- Instant power delivery for dynamic peaks
- Stable performance across all channels
- Strong control over low-impedance speakers
Reference-Grade Components
The amplifier incorporates premium components inspired by Marantz’s flagship designs:
- High-speed output transistors
- Custom filter capacitors
- LAPT (Hyper Power) devices for improved efficiency
These elements work together to produce a sound that is powerful, clean, and highly detailed.
Flexible Connectivity
The MM-7055 is designed for seamless integration into any system:
Inputs
- Balanced XLR inputs for noise-free connections
- RCA inputs for traditional setups
Each channel can be configured individually, offering maximum flexibility.
Integration
- DC trigger input/output
- Marantz control bus compatibility
- Easy pairing with AV processors and receivers
Advanced Thermal Design
The MM-7055 features a unique “thermal tunnel” cooling system, ensuring efficient heat dissipation and long-term reliability.
This allows the amplifier to:
- Maintain stable performance during extended use
- Operate efficiently even under heavy load
- Reduce internal component stress
Build Quality & Design
The amplifier is built with a heavy-duty steel chassis, designed to reduce vibration and shield against interference.
Design highlights include:
- Iconic Marantz porthole display
- Premium aluminium front panel
- Compact depth for rack installation
Performance & Specifications
- Channels: 5
- Power Output: 140W × 5 (8Ω), 170W × 5 (6Ω)
- Frequency Response: 20Hz – 20kHz (full bandwidth)
- THD: ~0.08%
- High-current capability: Yes
This ensures:
- Deep bass performance
- Clear and natural midrange
- Smooth, detailed highs
- Wide and immersive soundstage
Signature Marantz Sound
The MM-7055 delivers the classic Marantz sound — warm, musical, and highly engaging.
It ensures:
- Natural vocals
- Precise instrument separation
- Smooth high frequencies
- Powerful yet controlled bass
Perfect for both music and cinematic experiences.
Why Choose Marantz MM-7055
- True 5-channel power amplifier for home theatre
- Strong upgrade over AV receiver amplification
- Reference-grade components and design
- Flexible connectivity with XLR & RCA
- Powerful, dynamic, and immersive sound
Conclusion
The Marantz MM-7055 is a high-performance multi-channel amplifier designed to bring out the full potential of your home theatre system.
With its powerful output, advanced engineering, and signature Marantz tuning, it transforms ordinary setups into immersive, cinema-quality experiences.
For those who demand more power, more clarity, and more realism, the MM-7055 stands as a perfect upgrade in the world of AV separates.
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