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Nytech CTA-252 XD Very Rare Vintage Tuner Amplifier

The CTA 252 launched in 1975 was the first product to emerge from Nytech’s new factory, just outside Bristol in Chew Magna by designer Richard Hay.  This iconic ‘Calculator Tuner Amplifier’ is virtually forgotten these days, although it made a big impact on the British hi-fi market when it was hot in the late 1970s.

The CTA 252, putting out a modest 25W RMS per channel into a 4 ohm load. had a litany of facilities, from the built-in tuner and phono input, to bass, midrange and treble slider controls, balance and loudness.

All Nytechs used the same basic design of a Class AB push-pull amplifier, running off a single supply rail with the speaker AC-coupled to the output. Clever detail design work meant the circuit was able to go down to about 15Hz with less than 1dB of insertion loss.

The CTA 252 XD version had a dealer changeable phono card added to enable the use of a Moving Coil cartridge.

Some 30,000 CTA 252s were sold over its production run, which came to an end in 1982 when the case moulds had reached the end of their useful lives.

Review:

https://www.radiomuseum.org/r/nytech_tuner_amplifier_cta252_xd_cta_252_xd.html

https://vintagesonics.com/reviews/amplifiers/nytech-cta-252xd-review/

$550.00

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