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Luxman MQ-88uC
LUXMAN's vacuum tube amplifier legacy
Since the launch of our SQ-5A vacuum tube integrated amplifier in 1961, we have continued making vacuum tube amps without a break. We have produced many models that are highly valued as signature models and satisfied music lovers are enjoying them to this day, even several decades after their release. The CL-38uC and MQ-88uC combine LUXMAN's history of producing fine vacuum tube products and the traditional wisdom and skills gained along the way.
The essence of high-end products:selected high quality components
Due to their relatively simple circuitry, vacuum tube amplifiers are greatly affected by the quality of individual components, hence we utilize LUXMAN's own high-quality transformers and blocking capacitors. Further customization comes in the form of Nichicon made, high voltage, metalized polypropylene film coupling capacitors, which have been introduced for their supple, natural tone. Improved audio quality has been realized by shortening the internal wiring.
Reviving designs from the golden era of vacuum tube amplifiers
The CL-38uC control amplifier and the MQ-88uC power amplifier are based on the latest technology and design, but the exterior styling evokes a classic image from the heyday of vacuum tube audio products. The CL-38uC is modeled on the CL-35, released in 1970, and the MQ-88uC is modeled on the MQ-60, released in 1969. A classic front panel design should be functional, but also beautiful, achieved by careful selection of knobs and lever switches. Listeners can appreciate such traditional design features, with their nostalgic flavor, whilst enjoying these contemporary, high performance audio products.
Long life and reliable design
Each CL-38uC control amplifier and MQ-88uC power amplifier undergoes a final performance check after a 48 hour aging process following assembly. We have selected JJ Electronic (Slovakia) vacuum tubes for these models as they are renowned for their reliability, long life and the ease with which they operate at vacuum tube amplifier voltages and heat dissipation conditions.
JJ Electronic KT88 output tubes
The KT-88 output tubes used in the MQ-88uC, made by JJ Electronic, are known for their power and rich sound quality. The triode configuration employed achieves longer vacuum tube life and a highly transparent timbre that vacuum tube amps are known for. The paralleled first stage feeds a driver stage featuring performance proven Mullard circuitry. For the final stage, we have adopted a Mullard compatible push pull configuration to achieve an output power of 25 Watts per channel at 4, 8 and 16 ohm with very low distortion.
Independent speaker terminals for 4, 8 and 16 ohm speakers
The MQ-88uC has independent 4, 8 and 16 ohm speaker terminals to better match with and bring out the best abilities of any kind of speakers, allowing powerful music reproduction with very low distortion. The unit features a variable input (volume adjustable) mode in which the signal bypasses the input section, connecting a source device, such as a CD player, directly to the output section.
Output transformers and power supply
Output transformers play an important role in determining the sound quality and performance of a vacuum tube amp. LUXMAN’s classic amplifier products featured OY15 type output transformers with die-cast aluminum housings. These have been redesigned and reproduced with the original shape. The power supply section features a highly stable El type power transformer in tandem with custom designed blocking capacitors yielding steadfast sound quality and excellent drivability.
New exterior finish
The main chassis of the MQ-88uC has a dark brown finish, different to the black finish of the MQ-88u. We feel this finish better matches our products with wooden exterior cases. The hairline finished aluminum top panel and matt black aluminum die-cast power transformer housings make for a harmonious match, fine quality and beauty being important to our designs.
Dealers selling Luxman near you
Luxman MQ-88uC — Rich midrange with confident control
Luxman’s MQ-88uC is a compact, tube-driven stereo power amplifier that stands out for its lush midrange and tight control. Built around triode-connected KT88 outputs and Mullard-driver topology, it delivers 25W per channel with a commanding upper-bass presence and excellent damping, making it unusually capable with difficult loads like the Quad-57 ESLs noted by Audiophilepure. Listeners will find midrange clarity and harmonic bloom, focused images and authoritative transient control, while top-end extension is slightly restrained. The MQ-88uC’s solid 16.1kg chassis and classic Luxman layout reflect careful construction. Ideal for midband-forward systems and efficient speakers, it rewards cello and vocal repertoire and pairs well with a small super-tweeter if extra air is desired. For audiophiles seeking tube warmth with notable grip, it’s a compelling option.
Pros
- Lush, authoritative midrange with strong harmonic character and image focus that benefits cello and vocal music.
- Excellent upper-bass control and damping factor, allowing the amp to drive difficult loads (e.g., Quad‑57 ESLs) with authority.
- Precise transient control and tightly focused imaging deliver strong lateral placement and clarity in the midband.
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Cons
- Upper treble is somewhat restrained compared with very extended designs; some listeners may want a super‑tweeter for added air.
- Orchestral recordings can show reduced front-to-back depth and layering versus certain competitor topologies.
Sound Quality
88/100
Dynamics
88/100
Despite being a low-power (25W/ch) tube amp, reviewers highlighted the MQ-88uC's excellent damping factor and bandwidth extension and noted it drove Quad-57 ESLs effectively—evidence of strong transient control and speaker grip for its class. The triode-connected KT88 output stage provides musical authority and headroom appropriate to a high-quality tube design; praise for handling the Quads and mid-bass control supports a high dynamics mark while remaining realistic for low-power tube topology.
Soundstage Imaging
88/100
Imaging and focus are singled out as strengths (strong center imaging, harmonic detail and focused images), which supports an above‑average spatial performance. However, reviewers noted reduced orchestral front‑to‑back depth compared with some competitors (e.g., ZOTL Ultralinear and Berning designs), so the score reflects excellent lateral imaging and focus but somewhat limited depth/layering.
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Build Quality
87/100
Luxman’s construction and component choices (Mullard driver tubes, KT88 output tubes, solid 16.1kg chassis) imply a robust build and careful tube implementation; the spec sheet and Luxman pedigree support a high mark. The single stereo chassis (not monoblocks) and absence of reviewer commentary about exceptional transformer size or thermal problems keep the score high but conservative.
Value for Money
86/100
Review text does not offer explicit value judgments, so the score uses the neutral baseline for value. The product listing shows a price range around $6–7k (the review title referenced $5,995 but the provided product data lists 6,995), and reviewers focused on sonic qualities rather than pricing; therefore the assessment is neutral-to-favorable relative to its high-end tube peer group.
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