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Alpha Blu 415

15" Blu-Series Performance Installation Speaker
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Product at a Glance

The British Acoustics Alpha Blu 415 is a high-performance 15" installation speaker designed for powerful, reliable sound in demanding professional environments. Featuring a 3" copper voice coil LF driver and 1.4" HF compression driver, it delivers clear, full-range audio ideal for large venues and outdoor setups. Housed in marine-grade birch plywood with scratch-resistant polyurea paint, it offers durability and sleek aesthetics. Perforated black steel grills add protection, while integrated handles, M10 flying inserts, and sloped input plates support easy setup. With rotatable horns and mounting accessory compatibility, the Alpha Blu 415 ensures flexible, high-impact sound reinforcement.

CRAFTSMANSHIP

Painstakingly Perfect Production

Over the years, craftsmanship has been closely linked with small scale individualistic production. Back in 1972, we started the same way. As we grew in scale & size, it was difficult to build each speaker individually, but quality control was of utmost importance as so switching to a general assembly line was simply not an option. So we wrote up a code, one quite like enigma, to ensure quality control. We selected the right partners, got the right tools, and in cases where those weren't available, we invented them. We grew slower than most as our aim was to last longer than most. 

TECHNICAL SPECIFICATIONS

ACOUSTICAL SPECIFICATIONS

• Freq. Response (-3 dB) : 55 Hz - 20 kHz
• Freq. Range (-10 dB) : 40 Hz - 20 kHz
• Rated Power : 600W, 2400W Peak
• H Dispersion : 90° (- 6 dB)
• V Dispersion : 50° (- 6 dB)
• User Rotatable Horns
• Crossover : .2 kHz or Bi-amplified
• Nominal Impedance : 8 Ω
• Max Output: Cont 128 dB, Peak 134 dB
• 2 x Speak-On Sockets, Input & Thru

SYSTEM SPECIFICATIONS

• Recommended Subwoofers : See Systems
Chart for compatible subwoofers
• Recommended System Control : Delta Drive
DSP Control Systems
• Recommended Amplifiers : See Amplifier
load calculation chart

LF TRANSDUCER

• 15" Low Frequency Driver
• 550W, 2200W Peak
• 3" Copper Voice Coil - Ferrite Magnet
• Enhanced Airflow Path for minimal power
• Aluminum Demodulation Ring for reduced
distortion

HF TRANSDUCER

• 1.4" Exit HF Compression Driver
• 50W, 200W Peak
• 2.5" Voice Coil - Ferrite Magnet
• Alpha Contour Waveguide ensuring
consistent coverage

HOUSING

• Marine Birchply Enclosure
• Granular Scratch Free Polyurea Paint
• Perforated Black, Pressed Steel Grills
• Integrated Handles on Either Side
• Includes a set of round bottom feet for
secure and stable stacking
• Sloped Input Plates
• M10 Flying inserts
• Installation brackets : Alpha Throne (H),
Alpha Throne (V), Alpha Yoke B410

AESTHETIC SPECIFICATIONS

• British Acoustics Signature Umber Brown
Tone
• Blue Decals on Grills for better Aesthetics
• Available in a RAL code of your choice (24
nos, minimum)

OPERATING PARAMETERS

• Operating positions: Can be deployed
horizontally or vertically with the correct
installation brackets or can be used as a
monitor
• Maximum permitted ambient temperature
(Ta max) 55° C (124° F)
• Minimum permitted ambient temperature
(Ta min): -20° C (-4° F)

IP SPECIFICATIONS

• Standard Version : IP 42 - Offers basic
protection against dust & splashes

OPTIONAL ACCESSORIES

• See system chart for the System Accessories

SIZE

• Product: 685 x 444 x 368 mm (H x W x D)
• Product: 27 x 17.5 x 14.5 inch (H x W x D)
• Packed individually

WEIGHT

• Net : 24.19 Kgs
• Net : 53.3 Lbs

SHIPPING INFORMATION

• Carton Size
760 x 519 x 443 mm (H x W x D)
29.9 x 20.4 x 17.4 inch (H x W x D)
• Gross Weight : 25.3 Kgs / 55.78 Lbs
• Packed : Individually

DOWNLOADS CENTRE

Datasheet Alpha Blu 415

Datasheet Alpha Blu 415

Datasheet Alpha Blu 415

DWG Drawing Alpha Blu 415

Datasheet Alpha Blu 415

PDF Drawing Alpha Blu 415

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Datasheet Alpha Blu 415

Software

ACCESSORIES

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We have a growing network of channel partners

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