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Speaker & RCA Connections
LOW PASS-MODE / Subwoofer operation with lowpass
• Connect the "LINE IN" of the amplifier to the head unit´s line output with appropriate good quality RCA cables.
• Connect the subwoofer with appropriate wires to the terminal block (SPEAKER OUTPUT - and +) of the amplifier. As optional feature an
additonal subwoofer can be connected to the non-occupied terminals.
• The minimum final subwoofer impedance must not be lower than 1 Ohms in total. Too low speaker loads result in too high heat dissipation and
may cause the amplifier run into protection.
• Please observe correct speaker channels and polarity as printed by the speaker terminal.
By using a additional subwoofer,
connect it to the non-occupied
terminals, ensure that the total
impedance load is not lower
than 1 Ohm.
PHASE - Control
• This controller allows to adjust the Phase Shift 0° to 180°, to match the subwoofer to the vehicle's acoustic enviroment.
FREQ RANGE - Control
• Allows you to adjust the frequency at which the bass boost should work. It is continously variable between 20Hz up to 80Hz.
Q - Control
• Allows you to adjust the filter performance Q of the crossover. So you can change the playback quality in the range of the cut-off frequency.
"WIDE" Q - 0.3, "NARROW" Q - 1.0. Regular setting is on 12 o`clock - position Q - 0.5/Linkwitz-Reilly an 3 o`clock - position Q - 0.7 /Butterworth.
SUB BOOST - Control
• This controller regulates the Bass Boost from 0 - 18 dB.
Caution! Please use the Bass-EQ carefully. The additional boost may result in clipping or overload.
BASS REMOTE
• The provided Bass Remote regulates the Bass Level from e.g. the driver's seat.
MODE - Switch
• Set the switch in this operation mode to "LP" - position.
SUB SONIC - Control
• This eliminates the lowest frequencies and protects the speakers from damage. Set the frequency between 15Hz-55Hz, depending on the size of
the installed subwoofer.
NOTE: If the SUBSONIC - Level is higher than the LOW PASS - Level, no sound is hearable.
LOW PASS - Control
• This eliminates the higher frequencies. Set the crossover-frequency between 35Hz-250Hz, depending on the size of the installed subwoofer.
LEVEL - Control
• Turn the LEVEL control of the amplifier to 6V position.
• Turn the head unit volume control to about 80 - 90% of its full setting.
• Turn the LEVEL control clockwise until you hear some distortion.
• Then turn back the LEVEL control slightly until you can hear a clean sound.
14
TXi 1700
Do not connect speaker (-) to the ground or vehicle's chassis.
Subwoofer
1 - 8 Ohm
Caution!
Bass Remote Control - connection for remote control.
This contoller regulates the bass level from e.g. the driver's seat.
Connect RCA outputs (CH1/2 or SUB OUT) of the
head unit with LINE INPUT of the amplifier.
0dB
18dB
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