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Classic PHONO


Description ▴

Nagra Classic PHONO Preamplifier – TUBE Phono Stage MC/MM ( transformer ) and MM Inputs

If equipped with an additional Mc input ( incl.transformers ) $34500
Based on the acclaimed design of the Nagra CLASSIC AMP, this is a powerful integrated amplifier capable of driving the great majority of speakers on the market whilst delivering exceptional musicality.

The power amp section is identical to that of the esteemed Nagra CLASSIC AMP, whereas the preamplifier section is an entirely original design by Nagra R&D that sets a new standard for an integrated amplifier.

The Nagra CLASSIC INT offers a compact and simple set-up without the performance compromises that have sometimes been associated with integrated amplifiers.

Product Specifications ▾

Transformer ratio 16 dB
Tube stage gain MM
Gain switch LOW 37.7 dB
Gain switch HIGH 47.7 dB
Gain switch LOW 53.9 dB
Gain switch HIGH 63.9 dB
Frequency response 20 Hz – 50 kHz +0.6 dB RIAA, TELDEC,
100 Hz – 50 kHz +/- 0.2 dB
Signal to noise ratio > -82 dB (ASA A)
With dummy loads connected to the inputs
Signal to noise ratio Typically 110 dB measured in ASA A
Crosstalk -75 dB (typically > -82 dB)
Interchannel phase < 4° (typically 0.35°) @ 20 kHz
Output level 1 V RMS for 0 dB
Large tolerance to smoothly provide 2 V RMS
Output impedance < 500 Ω (typically 470 Ω)
Vacuum tubes x E88CC/ 6922
1x ECC81/B739
1x ECC83/B759
Power supply Internal
100 – 240 V~ ±10% / 50-60 Hz With Mains or
1rwith optional CLASSIC PSU 1x 12.6 V / 1.5 A w (Standby <1 W)
Power consumption PMAX 35 W
Dimensions 350 x 277 x 80mm (15.4 x 10.9 x 3.2 inches)
Weight 5.4 kg – 11.9 lbs

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