Pioneer GM-5300T - Manual (Page 5)

LPF (Low-Pass Filter) Select Switch
Set the LPF select switch as follows according to the type of speaker that is connected to the
speaker output connector and the car stereo system:
LPF Select Audio frequency range Speaker Remarks
Switch to be output Type
LPF (right) 80 Hz and below with Subwoofer Connect a subwoofer.
–12 dB/oct. cut off slope
OFF (left) Full range Full range
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Gain Control
If the sound level is too low, even when the volume of the car stereo used along with this
power amplifier is turned up, turn gain control on the front of the power amplifier clock-
wise. If the sound distorts when the volume is turned up, turn the gain control counter-
clockwise.
• When using with an RCA equipped car stereo (standard output of 500 mV), set to the NORMAL
position. When using with an RCA equipped Pioneer car stereo with max. output of 4 V or more,
adjust level to match the car stereo output level.
• If you hear too much noise when using the speaker input terminals, turn the gain control counter-
clockwise.
BFC (Beat Frequency Control) Switch
If you hear a beat while listening to an MW/LW broadcast with your car stereo, change the
BFC switch using a small standard tip screwdriver.