Russound LFP-1.2 User Manual
Low Frequency Protection Circuit
LFP-1.2
Instruction Manual
SP1 INPUT
L+ L- R- R+
SP2 OUTPUT
L+ L- R- R+
RUSSOUND INC
LFP-1.2
LOW FREQ PROTECTION
Product Overview
The LFP-1.2 Low Frequency Protection Circuit reduces low frequency signals that interfere
with autoformer impedance-matching devices. The LFP-1.2 also provides protection from
damaging DC voltage from amplifiers overdriven into “clipping” when it is used with
autoformer selectors or volume controls. The LFP-1.2 is connected between the amplifier
or receiver and the autoformer impedance-matching selector or volume controls.
Connection Instructions
Connect the left and right audio outputs of the amplifier or receiver to the detachable
input connector of the LFP-1.2. Connect the detachable output connector of the LFP-1.2
to the input of the impedance-matching system as seen in Figure 1. Be careful to keep
channel identity and polarity consistent when making connections. The screwless
removable snap connectors will accept up to 14-gauge wire.
2
Figure 1
AMPLIFIER OR RECEIVER
SP1 INPUT
L+ L- R- R+
SP2 OUTPUT
L+ L- R- R+
RUSSOUND INC
LFP-1.2
LOW FREQ PROTECTION
AUTOFORMER IMPEDANCE
MATCHING SELECTOR
1AMP A/B 23456
PRO-6
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