Wharfedale Pro DELTA-AX ACTIVE, DELTA-AX12, DELTA-AX15B, DELTA-AX18B, DELTA-AX15 Series Manual

DELTA-AX ACTIVE SERIES

ACTIVE LOUDSPEAKERS

DELTA-AX12 DELTA-AX15 DELTA-AX15B DELTA-AX18B

www.wharfedalepro.com

TABLE OF CONTENTS

Important warnings & safety instructions ………………………………………… 1

Introduction and Key features .…………………………………………………….2

DELTA-AX12 DELTA-AX15 Rear panel layout ……………………………………3 - 4

DELTA-AX15B DELTA-AX18B Rear panel layout ..………………………………5

Dimensional drawings ………..……..……..……..……..……………………………6 - 7

Specifications ………………………………………………………………………….8 - 9

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. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers)
that produce heat.

9. Do not defeat the safety purpose of a polarised or grounding plug. A polarised plug has two blades with one wider
than the other. A grounding plug has two blades and a third grounding blade. The wide blade or the third blade is
provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the
obsolete outlet.

10.Protect the power cord from being walked on or pinched, particularly at the plug, receptacle and or the point where it
exits from the apparatus.

11.Only use attachments/accessories specified by the manufacturer.

12.Only use a stand, tripod, bracket or rack specified by the manufacturer, or sold with the apparatus. When a rack is
used, use caution when moving the rack and apparatus combination to avoid tip-over or injury.

13.Unplug the apparatus during lightning storms or when unused for long periods of time.

14. Refer all servicing to qualified personnel. Servicing is required when the apparatus has been damaged in any way
including but not limited to power supply cord or plug damage, liquid ingress, foreign objects in the
to rain/moisture or impact damage. In addition the unit must be serviced when you experience any abnormal
operation.

15. CAUTION: These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric
shock, do not attempt to perform any servicing other than that contained in the operating instructions unless you are

qualified to do so. In addition opening the casing will result in your warranty becoming null and void.

16. Do not install this apparatus in a confined space such as a book case or similar unit. Good ventilation should be
maintained around the apparatus. Any vents, air-inlets or fans should not be obstructed by objects such as paper,
table-cloths, curtains etc.

17. WARNING: To reduce the risk of fire or electric shock, do not expose the apparatus to rain or moisture. The apparatus
should not be exposed to dripping or splashing and objects filled with liquids, such as vases, should not be placed on
the apparatus.

18. WARNING: Do not use the mains plug/appliance coupler to power on or off the device. Use the ON / OFF switch.

ATTENTION: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR

19. The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of
non-insulated “dangerous voltage” within the
risk of electric shock.

- Warning: To reduce the risk of electric shock, do not remove the cover (or back) as there are no user-serviceable

parts inside. Refer servicing to qualified personnel.

- The exclamation point within an equilateral triangle is intended to alert the user to the presence of important
operating and maintenance instructions in the literature accompanying the appliance.

product’s enclosure that may be of sufficient magnitude to constitute a

chassis, exposure

20. (Protective earthing terminal) The apparatus should be connected to a mains socket outlet with a protective
earthing connection.

21. Correct Disposal of this product. This marking indicates that this product should not be disposed with other
household wastes throughout the EU. To prevent possible harm to the environment or human health from uncontrolled
waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return your used
device, please use local return and collection systems or contact the retailer where the product was purchased. They
can take this product for safe environmentally friendly recycling.

1

INTRODUCTION

DELTA-AX is the next generation of the world famous Wharfedale Pro Delta Series. Specifically designed as a multipur­pose 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. Capable of producing extraordinary sound pressure levels, inside
every DELTA active speaker is a high head room amplifier exclusively engineered by Wharfedale Pro. High Output, low
distortion woofers are used throughout the range for unparalleled frequency reproduction. In addition, the 2” titanium
compression drivers used in the 2 way models offer impressive output level and smooth HF dispersion. DELTA-AX 2 way
models also feature an integrated two channel mixer with onboard Qubit DSP insuring smoother more controlled sonic
performance.

KEY FEATURES

DELTA-AX12 & DELTA-AX15

2-way Bi-Amplified speaker system

•

Low frequency power amplifier 650W RMS, 1300W peak (CLASS D)

•

High frequency power amplifier 100W RMS, 200W peak (CLASS D)

•

• 28/56-bit, 192kHz DSP processing

Independent LF and HF signal limiting

•

Thermal, DC and short circuit fault protections

•

Bass / Treble EQ controls

•

Switchable 90Hz monitor filter

•

Combo XLR/1/4" jack balanced line or mic inputs

•

Female XLR balanced line level output

•

Rear panel mic/line level switch

•

Rear panel front LED defeat switch

•

• Remote volume control (applied voltage controlled)

90° x 45° elliptical Wave Guide (EWG)

•

Dual-angle (0°or-10°) 35mm pole socket

•

Suspension points 6 x M10 threaded.

•

Black rhino paint finish

•

15mm plywood construction

•

Dual line level RCA inputs

•

DELTA-AX15B

• 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-AX18B

• 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’’ voice coil

• Adjustable crossover: 80Hz-200Hz

• 100Hz high pass filter output

• Integral phase switch 0° and 180°

2