The McIntosh MC-275VI Tube Power Amplifier delivers dedicated valve amplification designed for high-fidelity two-channel stereo listening. As the sixth generation of this celebrated platform, the stereo amplifier provides 75 Watts per channel into 4, 8, or 16 Ohms, offering generous headroom to drive a wide variety of loudspeakers. Crafted on a mirror-polished stainless steel chassis accented with an aluminum side plate, the unit pairs classic mid-century audio aesthetics with quiet modern circuit architecture.
Natural Warmth and Effortless Control:
Music lovers turn to vacuum tubes for their organic tonality, fluid midrange, and spacious acoustic imaging. The McIntosh MC-275VI utilizes patented wide-bandwidth output transformers alongside KT88 power tubes to produce controlled, punchy bass and smooth, extended treble. A thermally quiet circuit topology reduces background hiss, enabling quiet musical passages and subtle instrumental textures to emerge from complete silence.
Real-Time Tube Status Monitoring:
Seven small-signal vacuum tubes positioned across the front deck feature multi-colour LED backlighting to communicate system status clearly. Upon switching the amplifier on, the tubes glow amber during the protective warm-up sequence before transitioning to a steady green once fully operational. If a tube anomaly occurs, the corresponding LED illuminates red to notify the listener immediately.
Versatile Connectivity and Remote Integration:
Connecting source components and preamplifiers is seamless with dedicated balanced XLR and unbalanced RCA input connections. Solid gold-plated binding posts maintain firm, low-resistance contact with bare wire, spade, or banana connectors. Built-in power control trigger ports enable matching components to power the tube amplifier on or off automatically while coordinating tube illumination.
Authorized Dealer:
We are an authorized dealer for McIntosh. Purchasing from a trusted brand partner ensures your investment receives full manufacturer warranty coverage and professional guidance from experienced audio specialists.
Key Features and Listener Benefits:
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75 Watts Per Channel: Delivers ample, continuous power to drive your loudspeakers with rich, immersive sound across two channels.
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Wide-Bandwidth Output Transformers: Maintains tight bass response and articulate highs across the entire frequency range.
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Visual Tube Diagnostics: Displays system readiness through illuminated amber, green, and red LED indicators for clear operational feedback.
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Quiet Circuit Architecture: Lowers the noise floor so faint musical cues and dynamic shifts are heard with pristine clarity.
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Gold-Plated Speaker Terminals: Delivers secure, corrosion-resistant signal transfer to your speaker cables.
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Balanced and Unbalanced Inputs: Connects cleanly with a wide range of preamplifiers while rejecting noise interference.
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Power Control Compatibility: Synchronises power and lighting functions with compatible source components for seamless everyday use.
Detailed Specifications:
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Power Output per Channel: 75 Watts into 4, 8, or 16 Ohms (Stereo); 150 Watts into 2, 4, or 8 Ohms (Mono)
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Number of Channels: 2 (Stereo) or 1 (Bridged Mono)
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Total Harmonic Distortion: 0.5% maximum harmonic distortion from 250 milliwatts to rated power
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Signal-to-Noise Ratio: 105dB below rated output
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Dynamic Headroom: 1.2dB
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Damping Factor: Greater than 22
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Frequency Response: +0, -0.5dB from 20Hz to 20,000Hz; +0, -3.0dB from 10Hz to 100,000Hz
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Vacuum Tube Complement: 4 x KT88, 3 x 12AX7A, 4 x 12AT7
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Inputs: 1 x Stereo Balanced (XLR), 1 x Stereo Unbalanced (RCA)
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Dimensions (W x H x D): 54.6 cm x 21.6 cm x 30.5 cm
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Weight: 30.5 kg