Brush Master CH2 User Manual download pdf (Page 8)

Psu 15 power supply:

The Psu 15 unit is an all

discrete CLASS A topology,

made with massive

filterazation, designed

especially for the lowest noise

floor needed in microphone

amplifying.

For a fact: Pre amps noise

floor is constructed from the

amp’s self noise + its Psu

noise floor.

Therefore noise floor issue is very important when dealing

with a 60db gain machine. This is why we engineered an

uncompromising Psu that is suitable to deliver an ultra low

noise floor.

:Features

+300 vdc B+ voltage highly regulated for tube plates.

+50.4 vdc voltage for tube filaments (regulated).

+48 vdc phantom power (regulated).

+/-24 vdc for vcc to solid state electronics (regulated).

The Psu 15 can be internally modified for 220 or 115

vac operation (must be preformed by qualified

technician!).

Always make sure that the unit operates on the

correct mains voltage (230/115 VAC) before

applying mains voltage!

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Brush Master CH2 User Manual Page 8