Nikko Alpha I Stereo Power Amplifier Made in Japan (1978)
For Sale: Nikko Alpha I Power Amplifier – Vintage High-Fidelity Muscle
Up for sale is a Nikko Alpha I, a rare and powerful vintage stereo power amplifier from the golden age of Japanese hi-fi. Known for its clean, dynamic sound and rock-solid build quality, the Alpha I delivers serious performance for audiophiles, collectors, or anyone looking to add high-current power to their system.
⚙️ Key Features:
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Output Power: 200 watts per channel @ 8 ohms (RMS) – capable of driving virtually any speaker with ease
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Massive toroidal transformer for high-current delivery and stability under load
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Discrete transistor design with robust internal components
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Dual analog VU meters – classic styling and real-time output monitoring
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Heavy-duty speaker terminals and RCA inputs
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Rugged, minimalist industrial design – built like a tank
🎵 Why It Stands Out:
The Nikko Alpha I is not just a powerhouse; it’s known for its neutral tonal balance, low distortion, and effortless dynamics, even at high volumes. It pairs beautifully with both vintage and modern preamps and brings warmth and authority to everything from jazz and classical to rock and electronic music.
📝 Condition:
This unit is in excellent working condition and has been well cared for in a smoke-free environment. All functions operate as they should. Cosmetic condition is very good for its age, with only minor signs of wear typical for vintage gear. VU meters light up and respond correctly.
These don’t come up often, especially in clean working condition. If you’re looking for vintage solid-state muscle with audiophile credentials, this is it.
It's rated at an incredible 220 watts per channel into 8 ohms - more than enough power to blow the roof off any party! Plus, the design is very classy and understated. The gleaming silver front panel gives it a clean, industrial look that gives it a stately air. Definitely a gem of vintage audio!
CONDITION
SPENCERTIFIED- Fully certified by Spencer
Refurbished and SPENCERTIFIED
Every function has been confirmed 100% working. We have cleaned it inside and out and replaced any worn parts. A recap was performed if necessary. All pots, knobs, connectors and boards have been cleaned with CRC cleaner.
Cosmetic Condition: Good (chassis has some minor scrapes).
Functional Condition: Works like new.
WHAT'S IN THE BOX?
- Nikko Alpha I Stereo Power Amplifier Made in Japan (1978)
- Analog Cable
Other information about the Nikko Alpha I
- Power output: 220 watts per channel into 8Ω (stereo)
- Frequency response: 10Hz to 100kHz
- Total harmonic distortion: 0.08%
- Damping factor: 100
- Input sensitivity: 1V
- Signal to noise ratio: 100dB
DIMENSIONS
- 19" x 18.5" x 5.25" (Length x Width x Height)
- Weight: 50 lbs
INPUTS
- Input L/R x1 (back)
- GND x1 (back)
OUTPUTS
- Speakers R/L x2 (back)
MANUFACTURE DATE and PLACE
- MFD. 1978
- Made in Japan
