2-Way, 3-Way
4-Way Crossovers223/223XL - 234/234XL3
INSPECTION
Before going any further, you should take time to fill out your warranty
registration card and inspect the contents of the shipping carton. Inside
both the 223/223XL and 234/234XL boxes you should find the following:
Y either the dbx model 223, 223XL, 234, or the 234XL crossover.
Y operation manual (you are reading it!)
Y 4 rack screws and washers
Y power cord.
The contents of this manual are subject to change at any time without
notice.
dbx 234/234XL Front Panel
Note:There are no front panel differences between the 234 and the 234XL. Therefore the
234XL is shown below, representing both the 234 and the 234XL.
1 2 3 4 5 6 7 8 9 10 11 12
CHANNEL ONECHANNEL TWO
02402.4k-10-10-1002402.4k-10-10-10
1403501.4k3.5k1403501.4k3.5k
-6+6-30-6+6-30
40 Hz 706807006.8k0INV -300INV -300INV40 Hz 706807006.8k0INV -300INV -300INV
x10x10
-12+12459604509.6k-+6-+6-+6-12+12459604509.6k-+6-+6-+6
GAINdBXOVER FREQHzXOVER FREQHzGAINdBGAINdBGAINdBGAINdBXOVER FREQHzXOVER FREQHzGAINdBGAINdBGAINdB
INPUTLOW CUTLOW/LOW-MIDLOW-MID/HIGH-MIDLOW OUTPUTLOW-MID OUTPUTMONOHIGH-MID/HIGHHIGH-MID OUTPUTHIGH OUTPUT
INPUTLOW CUTLOW/MIDMID/HIGHLOW OUTPUTMID OUTPUTHIGH OUTPUTSTEREOINPUTLOW CUTLOW/MIDMID/HIGHLOW OUTPUTMID OUTPUTHIGH OUTPUT
13 14 15 16 17 18 19 20 21 22 23 24
STEREO 2-WAY MODE
In 2-way stereo mode the controls are marked BELOW the horizontal blue line.
Channel One and Channel Two functions are identical in the stereo mode. Front panel controls not described in
this section are not active in stereo 2-way operation.
[1] & [7] INPUT GAINControls the INPUT level with +/- 12 dB of gain.
[13] & [20] LOW CUTSwitch for selecting the 40 Hz high pass filter. An LED indicates the
selection.
[2] & [8]LOW /MID*Selects crossover point between the LOW and HIGH outputs.
[14] & [21]X10 LEDIndicates that the LOW/HIGH crossover frequency range is 450 Hz to
9.6 kHz.
[4] & [10]LOW OUTPUTControls the Low frequency output level with a range of -° to +6 dB.
[15] & [22] PHASE INVERTSwitch for reversing the polarity on the Low Output. An LED indicates
that the phase is inverted.
[6] & [12]HIGH OUTPUTControls the High frequency output with a range of -° to +6 dB.
[17] & [24] PHASE INVERTSwitch for reversing the polarity on the High Output. An LED indicates
that the phase is inverted.
[19]STEREOLED indicating stereo mode operation.
* although this control is labeled as OLOW /MID�, it operates as the crossover frequency control between low and
high frequencies in stereo 2-way operation.
¨ |