phono

RIAA Equaliser Phono Stereo Preamplifier

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The Clarinet's PHONO stereo preamplifier is a three stages active RIAA equaliser circuit using the small signal 12AY7/6072 tube.

The device's gain is 35dB at 47kOhm standard input impedance. It works perfectly with any high-output level MC cartridges or low-level output MC's with an added step-up transformer.

The device is fully hardwired - signal and PSU section - with a special silver alloy (Ag) material and has in-house constructed silver lead out wired tantalum resistors on tagboard and silver capacitors. The input and output connectors are of the highest-grade pure silver.

TECHNICAL  PARAMETERS

RIAA Equalisation: 

 

20 Hz - 20 kHz  +/- 0.5 dB​

Gain:  35 dB

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Noise:  Less than 1.5 mV

Input impedance:  47 kΩ

Inputs:  1 x RCA (unbalanced) 

Outputs:  1 x RCA (unbalanced)

                         

Vacuum tubes: 

 

4 x  12AY7 / 6072A

1 x  EZ81 / 6CA4

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Power consumption:  15 W

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Dimensions  (W x H x D): 

 

320 mm x 174 mm x 470 mm

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Weight:   14 kg

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