IMPORTANT WARNINGS & SAFETY INSTRUCTIONS 1. Read these instructions 2. Follow all instructions 3. Keep these instructions 4. Heed all warnings 5. Do not use this apparatus near water 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8.
INTRODUCTION DELTA-AX is the next generation of the world famous Wharfedale Pro Delta Series. Specifically designed as a multipur- pose solution, DELTA-AX provides high-end active sound reinforcement for touring applications and professional musicians. By combining our legendary audio quality, renowned durability and affordability, DELTA-AX sets a new standard in the category of active loudspeakers.
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1. Volume for input A and input B: These knobs control the level of each input channel. 2. RCA L/R (Left and Right) input connectors: These connectors allow input of a stereo signal (left and right). The signal is actively combined or "summed" providing a mono signal to the amplifier. 3.
DELTA-AX15B / AX-18B REAR PANEL LAYOUT 1. Power switch: Turns the power on and off. 2. Circuit breaker: Protect amplifier from damage caused by short circuit or other electrical destruction. Reset the breaker after the failure fixed. 3. POWER receptacle: This is the connection for the IEC AC power connector. 4.
SPECIFICATION Model Name DELTA-AX12 DELTA-AX15 DELTA-AX15B DELTA-AX18B Active 12” 2-way Bi- Active 15” 2-way Bi- System Type Active 15” Subwoofer Active 18” Subwoofer Amplified Amplified Frequency Response (+/-3dB) 60Hz - 20kHz 50Hz - 20kHz 42Hz - 200Hz 38Hz - 200Hz Frequency Range (-10dB) 55Hz - 20kHz 45Hz - 20kHz...
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SPECIFICATION Model Name DELTA-AX12 DELTA-AX15 DELTA-AX15B DELTA-AX18B Balanced:20KΩ Balanced:20KΩ Balanced:20KΩ Balanced:20KΩ Input Impedance Unbalanced:10KΩ Unbalanced:10KΩ Unbalanced:10KΩ Unbalanced:10KΩ Switchable LOOP/MIX Switchable LOOP/MIX Line Output Connector Balanced Male XLR Balanced Male XLR Male XLR Connector Male XLR Connector Connector Connector Balanced: 200Ω Balanced: 200Ω...
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Wharfedale Pro products are warranted of manufacturing or material defects for a period of one year from the original date of purchase. In the event of malfunction, contact your authorised Wharfedale Pro dealer or distributor for information. Please be aware that the warranty details may differ from country to country. Contact your dealer or distributor for information (available at www.wharfedalepro.com).
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