A vacuum tube power amplifier with ambition
The MQ-88uC has an elegant dark brown finish, realizing a modern classical appearance reminiscent of our finest legacy products. This model's improved clarity and warm, accurate audio reproduction, unique to vacuum tube products, and the quality of the components and engineering shine through. We strongly feel that the introduction of new technology and added customization will prove integral to this model's appeal as a modern day vacuum tube amplifier.
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.
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.
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Rated output 25W + 25W (4, 8, 16 Ohm)
Input sensitivity 890mV/25W
input impedance 32kOhm
Frequency response
20Hz to 20kHz (+0, -0.5dB)
10Hz to 100kHz (+0, -3.0dB)
Total harmonic distortion
0.1% (1kHz/1W)
0.5% (20Hz to 20kHz/1W)
S/N ratio (IHF-A) 105dB
Circuit Driver: Mullard, Output tubes: Triode connection
Vacuum tubes ECC83Sx2, ECC82x2, KT88x4
Power supply 230V-(50Hz)/115V-(60Hz)
Power consumption 170W, 140W (under no signal)
External dimensions 440(W) x 184(H) x 230(D) mm
17mm front panel knob of and 28mm rear panel terminals are included in the depth measurement
Net weight 16.1kg (main unit)
Accessories Power cable
Speaker terminal Supported Y-lug terminal dimension
Width of part a: 14.5mm or less
Width of part b: 7.5mm or more