2-Way, 3-Way 4-Way Crossovers 223/223XL - 234/234XL Operation Manual ®
IMPORTANT SAFETY INSTRUCTIONS WARNING FOR YOUR PROTECTION READ THESE INSTRUCTIONS: CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN KEEP THESE INSTRUCTIONS 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 HEED ALL WARNINGS FOLLOW ALL INSTRUCTIONS SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE DO NOT USE THIS APPARATUS NEAR WATER The symbols shown above are internationally accepted symbols that warn of potential hazards with electric
IMPORTANT SAFETY INSTRUCTIONS LITHIUM BATTERY WARNING CAUTION! This product may contain a lithium battery.There is danger of explosion if the battery is incorrectly replaced. Replace only with an Eveready CR 2032 or equivalent. Make sure the battery is installed with the correct polarity. Discard used batteries according to manufacturer’s instructions. ADVARSEL! Lithiumbatteri - Eksplosjonsfare.Ved utskifting benyttes kun batteri som anbefalt av apparatfabrikanten.
2-Way, 3-Way 4-Way Crossovers 223/223XL - 234/234XL 1 TABLE OF CONTENTS WARRANTY ...............................................................................................................................................................2 INTRODUCTION .......................................................................................................................................................2 INSPECTION ..........................................................................................
2 223/223XL - 234/234XL 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. 2-Way, 3-Way 4-Way Crossovers 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 3 223/223XL - 234/234XL 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: • • • • either the dbx model 223, 223XL, 234 or 234XL crossover. operation manual (you are reading it!) 4 rack screws and washers power cord. The contents of this manual are subject to change at any time without notice.
4 223/223XL - 234/234XL 1 2 3 4 5 6 7 8 9 10 2-Way, 3-Way 4-Way Crossovers 11 12 234/234XL-223/223XL REAR PANEL OPERATIONS 13 14 15 16 17 18 19 20 21 22 23 24 STEREO 3-WAY MODE In 3-way stereo operation the controls are marked BELOW the horizontal blue line. Channel One and Channel Two functions are identical in the stereo mode. LEDs are disabled for controls which are nonfunctional in this mode.
2-Way, 3-Way 4-Way Crossovers 5 223/223XL - 234/234XL dbx 223/223XL Front Panel Note: There are no front panel differences between the 223 and the 223XL. Therefore the 223XL is shown below, representing both the 223 and the 223XL. 1 2 9 3 10 11 4 12 13 5 14 6 15 7 16 8 17 18 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.
6 223/223XL - 234/234XL The mode switches on the back panel of the unit are used to select one of the three modes of operation in the 234/234XL and one of two modes of operation in the 223/223XL. 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.
2-Way, 3-Way 4-Way Crossovers 7 223/223XL - 234/234XL On the back panel of the 234/234XL, there are markings to help you connect the source devices and amplifiers to your crossover. To operate the 234/234XL in stereo 3-way operation, follow the top row of markings horizontally along the length of the 234/234XL. For stereo 2-way operation of the 234/234XL, use the second row of markings directly above the connectors. For mono 4-way operation of the 234/234XL, use the markings directly below the connectors.
8 223/223XL - 234/234XL 2-Way, 3-Way 4-Way Crossovers crossover, as this may cause severe damage not covered under the dbx warranty. Connect the power cord to the crossover first, then to a power source that is properly grounded. Never lift the ground as a shock hazard may result. After you have safely plugged in the crossover, turn on the source device(s). Turn the amplifiers’ outputs all the way down (-∞) and turn on the amplifiers.
2-Way, 3-Way 4-Way Crossovers 9 223/223XL - 234/234XL anyway, it will not detract from the true stereo picture of the source material. RACK MOUNTING, GROUNDING AND SAFETY We have provided 4 rack screws and washers for easy mounting in standard audio racks. You should avoid mounting the unit near large power transformers or motors. Route the AC cord away from audio lines and plug it into a power source close by.
10 223/223XL - 234/234XL WEAK 2-Way, 3-Way 4-Way Crossovers AND/OR DISTORTED AUDIO • Check that a clean signal is being fed to the crossover. • Confirm that the input wiring is correct. • Check that the grounds of the audio signal path and the chassis and power line of all units in the system are connected. HUM AND/OR BUZZ If you suspect that the hum is caused by a ground loop: • Systematically remove and/or connect the audio grounds of the devices in the signal path.
2-Way, 3-Way 4-Way Crossovers 11 223/223XL - 234/234XL dbx234/234XL- 223/223XL SPECIFICATIONS INPUT: Connectors: Type: Impedance: Max Input Level: CMRR: 1/4” TRS (223/234) or XLR (223XL/234XL) Electronically balanced/unbalanced, RF filtered Balanced > 50 kΩ, unbalanced > 25 kΩ +22 dBu typical, balanced or unbalanced >40 dB, typically > 55 dB at 1 kHz OUTPUT (223/234): Connectors: Type: Impedance: Max Output Level: 1/4” TRS Impedance-balanced/unbalanced, RF filtered Balanced 200 Ω, unbalanced 100 Ω >+
® 8760 South Sandy Pkwy. Sandy, Utah 84070 Phone: (801) 568-7660 Fax: (801) 568-7662 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.
