Luxman MQ-88uC Vacuum Tube Amplifier

Luxman MQ-88uC Vacuum Tube Stereo Power Amplifier

A refined tube amplifier that blends modern precision with classic warmth and musical depth.

The Luxman MQ-88uC Vacuum Tube Stereo Power Amplifier delivers 25 watts per channel of pure triode-connected KT88 power, bringing your music to life with rich harmonics, lifelike dynamics, and remarkable spatial depth. Crafted for serious listeners, the Luxman MQ-88uC combines traditional valve design with modern engineering for exceptional linearity and clarity.

Built with Luxman’s signature dark brown chassis and brushed aluminum top panel, the MQ-88uC pairs vintage charm with modern craftsmanship. Inside, precision-wound transformers, premium capacitors, and pure copper wiring ensure absolute signal purity and tonal accuracy. The result is an amplifier that preserves every nuance of your recordings while adding the warmth and intimacy only tubes can deliver.

The Luxman MQ-88uC supports 4Ω, 8Ω, and 16Ω speaker terminals, providing excellent matching flexibility for a wide range of loudspeakers. With its variable and direct input options, the amplifier integrates easily into any high-end system, whether used with a dedicated preamplifier or as part of a compact reference setup.

For assistance or product questions, call 443-402-5055 or text 443-402-5064 to reach our team. All Elite Audio is an authorized Luxman dealer in Maryland and operates a full home audio showroom.

Key Specifications
• Rated Output: 25 W + 25 W (4Ω, 8Ω, 16Ω)
• Input Sensitivity: 890 mV / 25 W
• Input Impedance: 32 kΩ
• Frequency Response: 20 Hz–20 kHz (+0, -0.5 dB); 10 Hz–100 kHz (-3 dB)
• Total Harmonic Distortion: 0.1% (1 kHz / 1W), 0.5% (20 Hz–20 kHz / 1W)
• Signal-to-Noise Ratio: 105 dB (IHF-A)
• Tube Complement: ECC83S × 2, ECC82 × 2, KT88 × 4
• Power Consumption: 170 W (signal) / 140 W (no signal)
• Dimensions: 440 mm (W) × 184 mm (H) × 230 mm (D)
• Weight: 16.1 kg (35.5 lbs)
• Retail Price: USD 6,495
• Availability: In Stock

Top 20 Questions About Luxman MQ-88uC

What makes the Luxman MQ-88uC special?
The Luxman MQ-88uC combines the musical warmth of classic tube amplifiers with the precision and reliability of modern engineering.

How much power does the Luxman MQ-88uC produce?
It delivers 25 watts per channel into 4, 8, or 16 ohms, ideal for high-sensitivity or full-range loudspeakers.

What tubes are used in the Luxman MQ-88uC?
The MQ-88uC uses two ECC83S tubes, two ECC82 tubes, and four KT88 output tubes in a triode-connected push-pull circuit.

How does the Luxman MQ-88uC sound?
It produces a natural, rich, and detailed sound with smooth tonal balance and deep, realistic soundstaging.

Does the Luxman MQ-88uC need a preamplifier?
It can be used with or without a preamp, thanks to both variable and direct input options.

Is the Luxman MQ-88uC good for digital sources?
Yes. It integrates seamlessly with DACs, CD players, and streaming devices via standard line-level inputs.

How should I pair speakers with the Luxman MQ-88uC?
Choose speakers with an impedance of 4–16 ohms and a sensitivity of 88 dB or higher for optimal performance.

Will the Luxman MQ-88uC drive low-impedance speakers?
Yes. It includes dedicated taps for 4Ω, 8Ω, and 16Ω speakers for ideal matching.

Does the Luxman MQ-88uC require maintenance?
Like all tube amplifiers, it may need periodic tube replacement and occasional bias checks.

How warm does it get during use?
The Luxman MQ-88uC operates at typical tube amplifier temperatures, so ensure proper ventilation.

Can I use it in a home theater system?
While designed for two-channel music, it can integrate with home theater systems using high-quality stereo sources.

Is the Luxman MQ-88uC covered by warranty?
Yes. When purchased from All Elite Audio, it includes full Luxman manufacturer warranty coverage.

Does the Luxman MQ-88uC improve sound quality?
It enhances musical realism and emotional depth, preserving your source’s full detail and dynamic range.

Is it compatible with balanced XLR inputs?
The MQ-88uC uses RCA line-level inputs and does not feature XLR connectors.

Does the Luxman MQ-88uC add coloration?
No. It is engineered for linear response while preserving the harmonic richness of tube sound.

Can I replace the tubes myself?
Yes, tube replacement is straightforward, but bias should be checked after installation.

How quiet is the Luxman MQ-88uC?
With a 105 dB signal-to-noise ratio, it operates with exceptional quietness and clarity.

What is the power consumption?
Approximately 170 watts with signal, and 140 watts at idle.

How large is the Luxman MQ-88uC?
It measures 17.3" wide × 7.2" high × 9" deep and weighs about 35.5 lbs.

Is the Luxman MQ-88uC right for my system?
If you want classic tube warmth with reference-grade clarity and build quality, the Luxman MQ-88uC is an outstanding choice.

For assistance or product questions, call 443-402-5055 or text 443-402-5064 to reach our team at All Elite Audio, your authorized Maryland Luxman dealer with a full home audio showroom.