




Onyx 238 TW
1 x 8" High-Performance Speaker


Product at a Glance
The British Acoustics Onyx 238 TW is an 8" all-weather surface mount speaker built for indoor and outdoor use in public, hospitality, and corporate spaces. Featuring an axial mid-high driver and 1" silk dome HF compression driver, it delivers clear highs and defined mids with 121 dB peak SPL. Selectable 100V/70V transformer taps and 8Ω impedance ensure flexible system integration. Housed in impact-resistant ABS with IP54 weather protection and a matte white finish, it suits architectural environments. Easy to install via Euroblock terminals and VS Throne or Yoke VS 6 brackets, it offers reliable, wide-area audio coverage with minimal distortion.
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) : 68 Hz - 20 kHz
• Freq. Range (-10 dB) : 54 Hz - 20 kHz
• Rated Power : 200W AES, 800W Peak
• H Dispersion : 130° (- 6 dB)
• V Dispersion : 85° (- 6 dB)
• Crossover : 1.5 kHz Passive
• Nominal Impedance : 8 Ω
• Max Output : 115 dB, Peak 121dB
• 100V/70V Transformer Taps : 5W, 10W,
20W, 40W, 80W Available
• Impedance Toggle Switch to choose
between 8 Ω or 100V operation
• Euroblock Terminal
SYSTEM SPECIFICATIONS
• Recommended System Control : Can be
used without DSP or with the PW-Six DSP
for voicing & tonal benefits
• Recommended Subwoofers : See Systems
chart for compatible subwoofer
• Recommended Amplifiers : See Amplifier
load calculation chart
LF TRANSDUCER
• 8" Mid-High Driver with Axial Motors
• 150W AES, 600W Peak
• 2" Voice Coil - Ferrite Magnet
• Special High Strength axial magnetic
motors for controlled movement
• Aerodynamically optimised ports
HF TRANSDUCER
• 1" Silk Dome Compression Driver
• 20W AES, 80W Peak
• 1.4" Voice Coil - Ferrite Magnet
• Silk Dome Tweeter for smooth & natural
sound
HOUSING
• Impact Resistant ABS with UV Stabilisers
• Matte White Finish
• Powder coated steel grills
• Rotary Transformer Tap Selector
• Yoke Bracket Included
• No handles, bar mould for easy lifting
• Installation brackets : VS Throne, VS Yoke 6
AESTHETIC
SPECIFICATIONS
• British Acoustics Signature Matte Silver
Tone
• Non Reflective, Matte White Grills
OPERATING
PARAMETERS
• Operating Positions : Must be Deployed with
the original brackets on wall or from the
ceiling (VS-C)
• Maximum permitted ambient temperature
(Ta max) 55° C (124° F)
• Minimum permitted ambient temperature
(Ta min): -20° C (-4° F)
IP SPECIFICATIONS
• IP 54 - Offers greater resistance against dust
& water
OPTIONAL ACCESSORIES
• See system chart for the System Accessories
SIZE
• Product : 330 x 228 x 220 mm (H x W x D)
• Product: 13 x 9 x 8.7 inch (H x W x D)
• Packed : individually
WEIGHT
• Net Kgs : 4.8
• Net Lbs : 10.5
SHIPPING INFORMATION
• Carton Size
405 x 303 x 295 mm (H x W x D)
15.9 x 11 x 11.6 inch (H x W x D)
• Gross Weight : 5.04 Kgs / 5.292 Lbs
• Packed : individually