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F1 Subwoofer Control Panel

Note: For a complete list of LED indications and behaviors, see "LED Indicators" on page 20.

LINE OUTPUT 1 & 2:

Individual outputs that provide

balanced line output signals

(pre-volume control) that can be

sent to powered loudspeakers

or additional subwoofers.

Note: When the LINE OUTPUT

EQ selector switch is set to

THRU, the LINE OUTPUT signal

will be full range.

LINE INPUT 1 & 2:

Combination XLR – ¼" phone

connector inputs that accept

line level signals.

POLARITY:

• NORM is used when when the

F1 Model 812 loudspeaker is

mounted on the supplied stand.

• REV may be used to better align

the bass when the subwoofer is

located further away from the F1

Model 812 loudspeaker.

AC input connector.

FRONT LED selector switch:

• POWER enables LED to indicate power

status.

• LIMIT enables LED to indicate limiting.

• OFF turns off LED.

POWER/FAULT: indicates power/fault

status

• Blue = power on.

• Red = fault condition.

LIMIT: Amber = system limiting.

SIGNAL/CLIP: Displays the input signal

status in color.

• Green = signal present.

• Red = signal clipping - input signal too

high.

VOLUME – Adjusts subwoofer volume.

Middle detent position is 0dB – nominal

position when the F1 Model 812 and F1

Subwoofer are connected to a mixing

console. Use 0dB position for a line-level

signal input.

LINE OUTPUT EQ: (See "Power On/Off

Sequence" on page 12.)

• THRU passes input signal to the output

with no filtering. Recommended when

using with F1 Model 812.

• HPF passes input through a high-pass

(100 Hz) filter. Affects LINE OUTPUT

signals only.

POWER on/off switch.

Operation

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