Earthquake FF-12 User Manual download pdf (Page 5)

Product Overview

Class "A/B" Amp

400 Watts Class "A/B" high efficiency power amplifier

12 dB/Octave variable filter from 40 Hz to 180 Hz

Automatic signal detection circuitry. When "ON", it

automatically turns on the subwoofer when an audio

signal is detected. It also shuts the subwoofer off after 30

minutes if no signal is detected

High level (speaker) audio inputs

Low level (RCA) audio inputs

Full range speaker outputs that can be used to power up

other full range speakers in the system

-5-

Signal detection circuitry.

W h e n " O N " , i t

a u t o m a t i c a l l y

shuts off the amplifier in

30 minutes if music is not

detected.

0-180° Phase switch for

precision bass response

control.

Variable 12dB per

octave, low pass filter.

R a n g e 4 0 - 1 8 0 H z

Recommended general

setting at 2 o'clock.

115 / 230V power

connector with

built-in fuse for

max protection.

Low level (RCA)

audio input,

in high pass

mode @ 100Hz.

The 100Hz high pass

output is the perfect

source to feed a center

channel amp.

Full range speaker

outputs. Connect to

power up other full range

speakers in the audio

system.

High level (speaker)

audio input. In an existing

s y s t e m , y ou c a n

run the speaker wires

(L&R) into the amplifier

for audio input.

Volume Control to

balance the subwoofer

output to the system’s

main speaker/amplifier.

RED: Stand by

GREEN: ON

NOTE:

Do not use both LOW

LEVEL (RCA) and HIGH

LEVEL (SPEAKER)

connections at the

same time!

AUTO

Min

Max

Volume

FF12

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Earthquake FF-12 User Manual Page 5

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