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 Active is the new addition to the world famous Wharfedale Pro Delta Series. Specifically designed as a multi- purpose solution, Delta Active provides high-end active sound reinforcement for touring applications and professional musicians. By combining our legendary audio quality, renowned durability and affordability, Delta Active sets a new standard in the category of active loudspeakers.
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Delta 15BA • 15’’ Active subwoofer • Low frequency power amplifier 900W RMS, 1800W peak,(Class D) • 130dB Max SPL • High headroom class D amplifier • 42-200Hz frequency response • 15’’ woofer with 4’’ voice coil • Adjustable crossover: 80Hz-200Hz •...
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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 jacks: These jacks 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 15BA/18BA REAR PANEL LAYOUT 1. Power switch: Turns the power on and off. 2. Circuit breaker: Protect amplifier from damage short circuit or other electrical destruction. Reset caused by the breaker after the failure fixed. 3. POWER receptacle: This is the connection for the IEC AC power connector. 4.
SPECIFICATION Model Name DELTA 12A DELTA 15A DELTA 15BA DELTA 18BA Active 12” 2-way Bi- Active 15” 2-way Bi- Active 15” Subwoofer Active 18” Subwoofer System Type Amplified system Amplified system Amplified system Amplified system Frequency Response (+/-3dB) 60-20kHz 50-20kHz...
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SPECIFICATION Model Name DELTA 12A DELTA 15A DELTA 15BA DELTA 18BA Tums on approx 650W Tums on approx 650W Tums on approx 900W Tums on approx Clip Limiter output output output 1000W output Limiter Indicator Red LED Red LED Red LED...