Luxman CL-38uC Tube Preamplifier

The Luxman CL-38uC control amplifier bridges classic audio heritage with modern connectivity, standing out among high-end tube preamplifiers. Housed in a vintage-inspired wooden outer case, the Luxman CL-38uC combines traditional analogue warmth with meticulous circuit refinement to deliver natural music reproduction across all audio sources.

Pure Signal Circuitry for Low Distortion:

At the core of the Luxman CL-38uC is SRPP (Shunt Regulated Push Pull) topology applied across all amplification stages, including the tone control and phono equaliser sections. This configuration maintains a low output impedance of 300 ohms and a flat frequency response. Custom Nichicon high-voltage polypropylene film capacitors and shortened signal routing ensure subtle musical details remain clear and intact.

Flexible Vinyl Playback and Tone Adjustment:

Designed to accommodate turntable setups, the Luxman CL-38uC features an integrated phono stage with independent left and right step-up transformers for moving coil cartridges. A front-panel lever switch enables immediate selection between high and low MC impedance to suit specific cartridge specifications. Three-position switchable crossover frequencies for bass and treble allow precise acoustic tailoring to match room acoustics and individual source recordings.

Shielded Internal Enclosure and Balanced Connectivity:

To eliminate magnetic and radio-frequency interference, the inner chassis of the Luxman CL-38uC functions as a fully shielded metal enclosure. This housing contains a toroidal power transformer, choke transformer, and dedicated balanced input transformers for clean integration with digital source components. Every unit utilizes JJ Electronic valves that undergo a 48-hour burn-in process prior to final factory testing.

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Key Features and Specifications:

• SRPP Topology: Delivers low output impedance and minimal distortion across all amplification stages.
• Built-In Phono Stage: Features independent step-up transformers with selectable MC impedance settings for precise cartridge matching.
• Customizable Tone Controls: Switchable crossover frequencies for bass and treble provide flexible frequency adjustment.
• Balanced Transformer Inputs: Provides clean signal transfer when connecting modern balanced source components.
• Shielded Wooden Cabinet: Combines classic aesthetic design with effective internal magnetic and RF shielding.
• JJ Electronic Valves: Tested with a 48-hour burn-in process to ensure operational stability and reliable signal performance.
• Frequency Response: Line inputs cover 10Hz to 70kHz (+0, -3.0dB) for full-range clarity.
• Dimensions and Weight: Measures 440 (W) x 169 (H) x 307 (D) mm and weighs 13.3 kg.