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Nikko Beta 40

Stereo Pre-Amplifier (1980-81)

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Nikko Beta 40


The Beta 40 possesses a built-in moving coil cartridge head preamp that exhibits low distortion and a high signal to noise ratio.

A phono selector allows a choice of input impedances. The circuit design includes a CR type phono equalizer and new tone control circuits for extremely low distortion.

Other features include a headphone amplifier, record out selector, 4-gang, 32-detent attenuator type volume control and a rack mountable design.


Frequency response: 10Hz to 100kHz

Total harmonic distortion: 0.07%

Input sensitivity: 0.2mV (MC), 2mV (MM), 110mV (line)

Signal to noise ratio: 74dB (MC), 86dB (MM), 100dB (line)

Output: 100mV (line), 1V (Pre out)

Dimensions: 482 x 70 x 330mm

Weight: 5.2kg


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re: Beta 40

m276863, Very Thanks friend ! for upload the Service Manual! Best Regards .

re: Beta 40

This is an excellent pre amp ! please info ! service manual...

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