Diamond Audio LOC22 Quick Start Manual

Quick Start Guide
The Diamond Audio LOC22 and LOC24 can be used to add amplifiers to an audio that does not have RCA outputs
or when replacing OEM Radio and retaining the factory amplified system. Variable Gain Controls with Clipping
Indicators, Selectable Ground Isolation and Load Select features ensure a pure, noise-free signal for any type of
audio system.
This Quick Start Guide will get you going, but if you need additional help or information, please visit our website
or contact Technical Support.
Features & Wiring Information
12V
Connect to a fused
+12V constant source
GND
Connect to a good
chassis ground
REM IN
Remote turn on input (+)
REM OUT
Remote turn on output (+)
The LPA will provide a
+12V Remote Output using
DC Signal Sense from the
Right channel inputs
SPEAKER SIGNAL INPUTS
Connect to head unit or
FULLY OPEN TERMINALS
BEFORE INSERTING WIRE
X
Technical Support |
GROUND ISOLATION
Selectable: GND / ISO / 200Ω
Default: ISO
If ground / engine noise is present,
the jumper can be repositioned
LOAD SELECT
Selectable: 20Ω / 60Ω / 20kΩ
Default: 20kΩ
For factory audio systems
requiring a resistance load to
output audio, select 60Ω first,
then 20Ω. All others use 20kΩ
setting
Phone: 213-261-4161 | Email: ra@dat-cvm.com | Diamond Audio | ©2021
LOC22 | 2 Channel Line-Output Converter
LOC24 | 4 Channel Line-Output Converter
LPF
Low Pass Filter
Allows 250Hz low pass
filter for Rear Channels
GAIN
Variable: -27.3dB — +3.2dB
Allows gain adjustment of
the output signal
CLIP
Indicates signal clipping when
gain is set to high
REMOTE
Remote Level Control Knob
for Rear Channels
RCA SIGNAL OUTPUTS
BOOST
Variable: 0dB — 12dB
When LPF is ON, provides
Bass Boost (45Hz) for
Rear Channels