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Nikko Alpha 650 Gallery

The Nikko Alpha 650 is a fan-cooled amplifier. It has independent toroidal power transformers for each channel. The power supply of each channel is filtered by two 15000 microfarad capacitors. The rail voltage is ±94 VDC.


The Alpha 650 has versatile input and output facilities.

The faceplate of the Alpha 650 is adorned with two large power level meters and peak-power indicator LEDs. It has level controls for both the left and right channels, and A / B speaker switching.
Nikko produced mainly affordable, good quality mid-fi audio components. However some of their products, such as the Alpha 650 power amplifier, are outstanding audiophile-calibre components by any standard of measure!

The Alpha 650 is bridgeable. The rated output power (when bridged) is 650 Watts into 8 Ω.
D 'n A Electronics is a Father & Son business located in Kitchener, Ontario, Canada. We specialize in restoring hi-fidelity audio power amplifiers, integrated amplifiers, preamplifiers, receivers, and tuners. We've been repairing vintage audio equipment since long before it was considered vintage! It is our goal, and pleasure, to reliably restore hi-fi audio equipment to original operating condition (or better!). We accept shipments from across Canada, and many customers from Kitchener, Waterloo, Cambridge, Guelph, Hamilton, London, Toronto and surrounding areas find us to be within convenient driving distance. Thank-you for visiting our website, we look forward to serving you!
A Nikko Alpha 650 power amplifier. You can look at it's specs here.
The Alpha 650 is a high quality 300 Watt per channel power amplifier that sounds great.
If you have a Nikko Alpha 650 amplifier that is in need of repair, call us at (519)513-1084, or email your enquiry to repairs@dnaelectronics.ca.