Introducing the Wada Shigefumi Tube Preamplifier, a pinnacle of audio excellence designed for discerning audiophiles. This electronic tube preamp, featuring the renowned 12AX7 ECC83S tubes, is available in a year-end special offer. Engineered to deliver unparalleled sound clarity and warmth, it is the perfect choice for enhancing your audio experience. With its dual-channel (2.0) configuration, this preamp ensures a rich and immersive soundstage, making it an essential addition to any high-fidelity audio setup.
Options:
Version A: Black, with JJ tube standard version
Version B: Silver, with JJ tube standard version
Version C: Black, with JJ tube and blue VU meter version
Version D: Silver, with JJ tube and blue VU meter version
Version E: Black, with JJ tube and Orange VU meter version
Version F: Silver, with JJ tube and Orange VU meter version
Wada Shigefumi Tube Preamplifier - Premium 12AX7 ECC83S Circuit
Experience Legendary Japanese Tube Circuit Design
Discover the exquisite sound quality of our Wada Shigefumi Tube Preamplifier, featuring the renowned Japanese circuit design that has been perfected over 15 years of development. This premium preamplifier delivers the warm, natural tube sound that audiophiles crave, with exceptional clarity and musicality.
Premium Tube Configuration:
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2× Czech JJ ECC83 tubes (direct replacement for 12AX7)
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2× Czech JJ ECC82 tubes (direct replacement for 12AU7)
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2× Vintage 1980s Shuguang 6Z4 rectifier tubes
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All tube sockets upgraded to gold-plated contacts
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Gold-plated tube sockets for enhanced signal transmission
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Vintage 1980s Shuguang rectifier tubes for warmer, richer tone
Technical Excellence:
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Circuit: Improved Wada Shigefumi design with optimized parameters
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Power Transformer: 120W EI-8642/H50 core with independent windings
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Potentiometer: Genuine Japanese ALPS 16-type
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Chassis: Full aluminum construction (2.8mm body, 8mm front panel)
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Input Selection: 2 RCA inputs with front panel switching
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Tube Protection: Removable tube guard with plug-in design
Key Specifications:
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Input Sensitivity: 200mV
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Output Voltage: 2V (RMS THD<0.03%)
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S/N Ratio: 98dB
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Frequency Response: 10Hz-50kHz (-0.5dB)
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Input Voltage: 220V/110V switchable
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Power Consumption: 50W
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Dimensions: 360×190×140mm (D×W×H)
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Net Weight: 4.5kg
Why Choose Our Wada Preamplifier?
Having evolved through 6 PCB revisions over 15 years, this preamplifier represents the pinnacle of tube preamp design. The Wada circuit maintains Marantz 7's musical richness while offering superior dynamics, transient response, frequency range, and signal-to-noise ratio.
Customer Verified Performance:
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"The sound is very good, even better than my last purchase. The cost performance is very high, worth buying." - chanduck
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"The workmanship quality is very good, the background noise control is really small." - d***8
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"Sound quality is clear, vocals are sweet, all aspects are fully developed. I have already bought 4 units!" - Repeat customer
Perfect For:
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Adding tube warmth to transistor amplifiers
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Enhancing digital audio systems with analog character
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Critical listening of vocals, jazz, and classical music
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Creating a natural, fatigue-free listening experience
Each unit is thoroughly tested in our listening room before shipment to ensure optimal performance and sound quality. Backed by our 9-year gold-rated seller reputation with continuous quality assurance.
Note: Features built-in meter head amplitude adjustment (pre-set at factory). Package includes remote control, power cable, and signal cables. CE certified for quality assurance.
