DELTA ACTIVE SERIES PROFESSIONAL BI AMPED ACTIVE SPEAKERS DELTA 12A DELTA 15A DELTA 15BA DELTA 18BA www.wharfedalepro.
TABLE OF CONTENTS Important warnings & safety instructions ………………………………………… 1 Introduction ……………………………………………………………………………2 Key features …………………………………………………………………………2 Delta 12A/15A rear panel layout ……………………………………………………4 Delta 15BA/18BA rear panel layout …………………………………………………5 Specifications ………………………………………………………………………… 7
IMPORTANT WARNINGS & SAFETY INSTRUCTIONS 1. 2. 3. 4. 5. 6. 7. 8. Read these instructions Follow all instructions Keep these instructions Heed all warnings Do not use this apparatus near water Clean only with dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9.
INTRODUCTION Delta Active is the new addition to the world famous Wharfedale Pro Delta Series. Specifically designed as a multipurpose 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.
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 • 100Hz high pass filter output • Integral phase switch 0° and 180° Delta 18BA • 18’’ Active subwoofer • Low frequency power amplifier 1000W RMS, 2000W peak,(Class D) • 132dB Max SPL • High headroom amplifier • 38-200Hz frequency response • 18’’ Woofer with 4’’ vo
DELTA 12A/15A REAR PANEL LAYOUT
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. GAIN selection switch: This switch selects the proper gain structure for INPUT A. If a microphone is connected to INPUT A, use mic mode (up).
DELTA 15BA/18BA REAR PANEL LAYOUT OUTPUT-A OUTPUT-B 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. Volume control: Adjusts the volume. 5. LIMIT LED POWER LED: The red LED indicator illuminates when the signal limititng function is activated.
SPECIFICATION Model Name DELTA 12A DELTA 15A DELTA 15BA DELTA 18BA System Type Active 12” 2-way BiAmplified system Active 15” 2-way BiAmplified system Active 15” Subwoofer Amplified system Active 18” Subwoofer Amplified system Frequency Response (+/-3dB) 60-20kHz 50-20kHz 42-200Hz 38-200Hz Size (mm / inches) 332mm / 12” 404mm / 15” 404mm / 15” 470mm / 18” Coil Size (mm / inches) 75.0mm / 3.0” 75.0mm / 3.0” 101.6mm / 4.0” 101.6mm / 4.
SPECIFICATION Model Name DELTA 12A DELTA 15A DELTA 15BA DELTA 18BA Clip Limiter Tums on approx 650W output Tums on approx 650W output Tums on approx 900W output Tums on approx 1000W output Limiter Indicator Red LED Red LED Red LED Red LED Power Indicator Green LED Green LED Green LED Green LED Input A – type Switchable balanced mic or line level input Switchable balanced mic or line level input Balanced Balanced Input Sensitivity Mic:-40dBu Line:0dBu Mic:-40dBu Line:0dBu Line:0dB
WHARFEDALE PRO LIMITED WARRANTY 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 authorized Wharfedale Pro dealer or distributor for information. *Be aware that warranty details may differ from country to country. Contact your dealer or distributor for information. These terms do not infringe your statutory rights.
