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Ver. 1.0 - © Phædrus Audio Ltd. 2017 All rights reserved.

User Manual for

PHAB-S

Two channel TUBE preamp & stereo SHUFFLER

This manual is also available as a pdf download, Go to:

www.phaedrus-audio.com

Summary of Contents for PHAB-8

Page 1: ...Ver 1 0 Ph drus Audio Ltd 2017 All rights reserved User Manual for PHAB S Two channel TUBE preamp stereo SHUFFLER This manual is also available as a pdf download Go to www phaedrus audio com...

Page 2: ...ww phaedrus audio com phaedrus_t cs htm Chapter 3 Safety General Before using any piece of equipment manufactured by Ph drus Audio be sure carefully to read the applicable items of these operating ins...

Page 3: ...Use a dry lint free cloth to remove any remaining moisture NEVER use aerosol sprays solvents or abrasives on Ph drus Audio equipment Ph drus Audio equipment should be serviced by qualified service pe...

Page 4: ...IEC connector o For operation with a studio technical earth circuit 0V may be disconnected from mains earth by removing the wire link between the two binding posts on the rear chassis The black termi...

Page 5: ...The input attenuation controls are precision stepped attenuators maximum attenuation at anti clockwise end stop is 40dB The phantom power switches route 48V to the microphone inputs Please observe th...

Page 6: ...by advancing the INPUT ATTEN control You will notice a hardening of the tone when operating the preamp in this way The final position exaggerates this effect Still more gain is required to overcome th...

Page 7: ...rtent clipping the PHAB S contains a clip detect circuit which turns the normally blue LEDs red when the audio level is 3dB below peak This indicator should only be allowed to flash red occasionally i...

Page 8: ...017 All rights reserved In this 1959 tube amplifier design a EF86 pentode valve is followed by an ECC88 dual triode strapped as a single high mu tube The PHAB S incorporates two examples of these ampl...

Page 9: ...ack Gain maximum 53dB Preamp attenuator 40dB range in 4dB steps Pad 20dB 30dB selectable via an internal link Frequency response 1dB 40Hz and 15 kHz HPF out of circuit Crosstalk L R mode better than 6...

Page 10: ...eclares that the products identified above comply with the protection requirements of the EMC directive and with the principal elements of the safety objectives of the Low Voltage Equipment directive...

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