2-Way, 3-Way, 4-Way Crossovers 234/223 Operation Manual
WARNING CAUTION FOR YOUR PROTECTION, PLEASE READ THE FOLLOWING: RISK OF ELECTRIC SHOCK DO NOT OPEN A T T E N T I O N : RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR W A R N I N G : TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE The symbols shown above are internationally accepted symbols that warn of potential hazards with electrical products.
2-Way, 3-Way, 4-Way Crossovers 1 234/223 TABLE OF CONTENTS WARRANTY ...............................................................................................................................................................2 INTRODUCTION .......................................................................................................................................................2 INSPECTION .......................................................................................................
2 1. The warranty registration card that accompanies this product must be mailed within 30 days after purchase date to validate this warranty. Proof-of-purchase is considered to be the burden of the consumer. WARRANTY 2. dbx warrants this product, when bought and used solely within the U.S., to be free from defects in materials and workmanship under normal use and service. 3.
2-Way, 3-Way, 4-Way Crossovers 3 234/223 We are sure you will agree that these crossovers are built to provide extremely high quality frequency division for all applications. 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 and 234 boxes you should find the following: INSPECTION ¥ ¥ ¥ ¥ either the dbx model 223, or 234 crossover.
4 1 2 C H A N N E L 3 5 6 7 O N E 0 8 C H A N N E L 240 140 -6 4 -10 2.4k 1.4k 350 680 -10 240 -30 0 -30 0 INV 350 70 INV 680 dB GAIN INPUT INPUT # A FRONT ART ( +12 45 Hz 960 XOVER FREQ LOW CUT LOW/LOW-MID LOW CUT LOW/MID 13) b ff 12 -10 -10 3.5k -30 6.8k 700 40 Hz x10 -12 1.4k +6 0 INV 11 -10 2.4k 140 -6 -30 6.8k 700 40 Hz 10 T W O 0 3.5k +6 70 -10 9 -30 0 -30 0 INV 0 INV INV 2/3/4-Way Crossover x10 450 Hz 9.
2-Way, 3-Way, 4-Way Crossovers 5 234/223 dbx 223 Front Panel 1 2 C H A N N E L 3 5 140 6 C H A N N E L -10 240 0 -6 4 O N E -10 140 -6 -30 680 70 40 Hz -30 0 -30 680 70 INV 40 Hz dB GAIN INPUT INPUT 45 +12 LOW CUT LOW CUT Hz 960 XOVER FREQ LOW/MID LOW/HIGH 9 -30 0 0 INV INV Stereo 2-Way/Mono 3-Way Crossover x10 x10 -12 -10 350 +6 0 INV 8 -10 240 0 350 +6 7 T W O - dB - +6 GAIN LOW OUTPUT LOW OUTPUT 10 dB -12 +6 GAIN 45 +12 GAIN HIGH OUTPUT 11
6 The mode switches on the back panel of the unit are used to select one of the three modes of operation in the 234 and one of two modes of operation in the 223. There could be disastrous consequences if the crossover were improperly setup or the switches were mistakenly pushed during the regular operation of a sound system. Therefore great care should be taken when setting these switches. There is a mode diagram on the back panel to help you understand at a glance how this is done.
2-Way, 3-Way, 4-Way Crossovers 7 234/223 connectors not used in the selected mode are marked Ònot usedÓ. This designation applies only to that mode of operation.
8 set the x10 switch to the active position. This changes the range of operation of the frequency selector from 45-960 Hz to 450 Hz to 9.6 kHz. All other frequency selectors remain the same. When using the X10 switch, ALWAYS ensure that the amplifiers feeding all speaker systems are turned off or that the input gain controls on the power amplifiers are turned down before changing the setting of the X10 switch.
2-Way, 3-Way, 4-Way Crossovers 9 234/223 cable is more reliable since it does not depend on the shield wire itself to complete the signal connection. Using twin conductor cable, a broken shield may only result in a slight increase in noise or hum due to the lack of shielding. You may also use unbalanced cables to connect to and from the crossover. TROUBLESHOOTING NO SOUND If there appears to be no power: ¥ Check that either the stereo or mono LED on the front panel of the 234/223 is lit.
10 shielded, and that low level wiring is not run parallel to and/or in close proximity to AC power wiring. ¥ Check the other equipment and the wiring to make certain that the signal is not intermittent earlier in the chain. ¥ Check the integrity of all cables using a cable tester.
2-Way, 3-Way, 4-Way Crossovers 11 234/223 dbx 234/223 SPECIFICATIONS INPUT: Connectors: Type: Impedance: Max Input Level: CMRR: 1/4Ó TRS Electronically balanced/unbalanced, RF filtered Balanced > 50 k½, unbalanced > 25 k½ +22 dBu typical, balanced or unbalanced >40 dB, typically > 55 dB at 1 kHz OUTPUT: Connectors: Type: Impedance: Max Output Level: 1/4Ó TRS Impedance-balanced/unbalanced, RF filtered Balanced 200 ½, unbalanced 100 ½ >+21 dBu balanced/unbalanced into 2 k½ or greater PERFORMANCE: Band
12 NOTES
2-Way, 3-Way, 4-Way Crossovers 13 234/223 NOTES
¨ 8760 South Sandy Pkwy. Sandy, Utah 84070 Phone: (801) 568-7660 Fax: (801) 568-7662 IntÕl Fax: (219) 462-4596 A Harman International Company Questions or comments? E¥mail us at: customer@dbxpro.com or visit our World Wide Web home page at: http://www.dbxpro.
