Example-2: Speaker Level Input from OEM Amplifier
Note:
In factory amplified systems where output from the radio is a fixed level
or digital, input signal for the linkDQ should be connected after the OEM
amplifier at its outputs. High voltage factory amplifiers may require changing
the linkDQ’s internal input sensitivity range jumpers to the 40V position.
6
SPK IN
RCA OUT
+12V
GND
REM OUT
linkRC
(optional)
Example-3: RCA Input from Aftermarket Radio
Note:
Driving speakers from an aftermarket receiver while also using its RCA
preouts for an external amplifier will often result in a large gain imbalance due to
the speaker outputs reaching clipping well before the radio’s maximum volume
setting where the RCA preout level is very low. For such systems, use the linkDQ
as a line driver to match the unclipped volume range of the deck powered
speakers with the external amplifier set at minimum gain to maximize power
output, dynamic range and signal-to-noise.
REM
IN
RCA IN
RCA OUT
+12V
GND
REM OUT
50
50
