MB QUART PAB 1200.1 D - Manual (Page 7)

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MBQR-1
Stereo high pass with mono low-pass in
a 2 way active, or bi-amplifi ed system
In this application we will use a 2 channel amplifi er for the high
frequencies, and a second one for the low frequencies, or mono sub
bass. Please consult the speaker specifi cations to determine maxi-
mum amplifi er power requirements.
Interconnect cable checklist:
Connect the inputs of the highs amplifi er to a Radio/CD with good
quality RCA cables. Connect the LINE OUT of the highs amplifi er to
the inputs of the bass amplifi er with a stereo RCA to RCA cable.
Mono bass woofer wiring:
Connect the mono speaker positive terminal to the LEFT +, and its
negative terminal to RIGHT -.
Switch setting checklist:
- Highs amplifi er: X-OVER switch in the HP position.
- Lows amplifi er: X-OVER switch in the LP/BP position.
Crossover frequency control checklist:
Highs amplifi er:
- HI PASS: 100 Hz
- LOW PASS: N/A
Lows amplifi er:
- HI PASS (Subsonic fi lter): 10 Hz to 40 Hz
- LOW PASS: 100 Hz
Please note that these frequency points are suggestions only. Refer to
the loudspeaker manufacturer specifi cations and the section “Setting
up systems after installation for best performance”
Level control checklist:
Refer to the section “Setting up systems after installation for best
performance”
Minimum fi nal loudspeaker impedances:
- 2 ohm per channel stereo.
- 4 ohm mono bridged.
AMPLIFIER APPLICATIONS
PAB 2100 2-Channel Amplifi er