Owner manual

Preamplifier Functions

8, 9, 10 Input Select Buttons or Keys

Use these buttons to select the corresponding rear panel input that is connect-

ed to a CAST (C-1, C-2), balanced (B-1, B-2), or single-ended (S-1,

S-2, S-3) analog source. The front panel display shows the selected input and

volume level.

11 Tape Button and LED, or Key

Use this button or key to select the tape input that is connected to an analog

tape source. The red tape LED illuminates when the tape input is selected. The

front panel display (3) shows:

TAPE and the main volume level.

12 Mute Button and LED, or Key

Use this button or key to mute the preamplifier output. To unmute, press the

mute button again. The red mute LED illuminates when mute is selected. To

customize mute operation see Mute, on page 39

The

MMuuttee

button is also used to engage the pink noise generator to aid in cali-

braing main and subwoofer outputs. See

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below.

Calibrating Main outputs and Subwoofer outputs

The Phantom preamplifier features an internal pink noise generator to help bal-

ance the main outputs and subwoofer outputs.

1. Press and hold Mute button (12) on front panel until

PINK NOISE GENERATOR

appears in the front panel display (3). The mute button will blink continuously

while in this mode.

aa..

Repeated presses of the Mute button (12) will cycle through the various

channel/channel combinations in the sequence listed below

ALL CHAN (000 OR 0dB)

MAIN (000 OR 0dB)

SUBWF (000 OR 0dB)

L MAIN (000 OR 0dB)

L SUBWF (000 OR 0dB)

R MAIN (000 OR 0dB)

R SUBWF (000 OR 0dB)

OFF (000 OR 0dB)

bb..

Pink noise will output from each channel/channel combination.

2. Select a channel/channel combination to act as a reference. Usng a Sound

Pressure Level (SPL) Meter, record the SPL, in dB, of the reference

channel/channel combination.

continued