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Aeroflex - Flagship three-way
Ten-inch cones, taking their time.
Two 265 mm woofers, rated to 26 Hz.
Ophidian Voodoo Floorstanding Speakers
Popular upgrades
Pairs well with
Designed, built and voiced by Gareth James in England.
Ophidian Voodoo Floorstanding Speakers
Aeroflex
A cabinet this size can afford a channel this large, so the air never hurries.
- Loading
- Aeroflex, hybrid transmission line and port, sized for two 265 mm cones
- Why it reaches 26 Hz
- Over an inch of linear travel and triple shorting rings, with a channel large enough that the air never hurries
- Drivers
- 22 mm Sonomex dome; 180 mm aluminium mid-bass with alloy phase plug in a damped sub-enclosure; two 265 mm anodised aluminium woofers
- Crossover
- Mundorf air-cored coils and low-distortion capacitors; WBT terminals
- Cabinet
- 1296 x 304 x 365 mm, 59.5 kg each; optional 11 kg CNC aluminium plinth
On record supple, weighty bass that breathes, stereo without obvious boundariesDavid Vivian, Hi-Fi Choice, issue 490. Five stars for sound, value and build; Recommended.
Designed, built and voiced by Gareth James - Wirral, England
The figures
Three numbers, and what each one is for.
The low-frequency limit for two 10.5-inch aluminium cones with over an inch of travel, loaded by an Aeroflex channel a large cabinet can afford.
The weight of the cabinet, the drivers and the crossover; the optional CNC-machined aluminium plinth adds another 11 kg.
The recommended amplifier window; the Voodoo is a big speaker and asks for a big amplifier to show why.
Technical specifications
| Type | Three-way floorstander, Aeroflex bass loading (hybrid transmission line and port) |
| Bass drivers | Two 265 mm (10.5 in) black anodised aluminium cones, triple shorting rings, over an inch of linear travel |
| Mid-bass | 180 mm (7 in) aluminium cone with solid alloy phase plug, in a damped sub-enclosure |
| Tweeter | 22 mm Sonomex soft dome, large roll surround |
| Crossover | Mundorf air-cored coils and low-distortion capacitors |
| Terminals | WBT, 24-carat gold-plated high-purity copper |
| Frequency response | 26 Hz - 25 kHz (-3 dB, manufacturer) |
| Sensitivity | 87 dB (2.83 V / 1 m) |
| Impedance | 4 ohms nominal |
| Recommended power | 100 - 400 W |
| Dimensions (H x W x D) | 1296 x 304 x 365 mm including grilles; plinth 434 x 483 mm |
| Weight | 59.5 kg each; optional CNC-machined aluminium plinth 11 kg |
| Finish | Walnut real wood veneer; custom finishes on request |
What room does the Voodoo need?
Do I need the optional plinth?
What amplifier does the Voodoo need?
About the Ophidian Voodoo Floorstanding Speakers
Ophidian Voodoo: two ten-inch cones with an inch of travel, loaded so they never sound like they are trying
The Voodoo is Ophidian's flagship, a three-way floorstander 1,296 mm tall and 59.5 kg each. Two 265 mm black anodised aluminium woofers with triple shorting rings and over an inch of linear travel work into an Aeroflex channel that is a hybrid of transmission line and port. Because a cabinet this size can afford a channel this large, the air moves slowly even at the extremes of that travel, which is how the speaker reaches its rated 26 Hz with the same balance it has at a whisper.
What is inside
A 180 mm aluminium mid-bass with a solid alloy phase plug sits in its own damped sub-enclosure. A 22 mm Sonomex soft dome with a large roll surround carries the top. The crossover uses Mundorf air-cored coils and low-distortion capacitors; the terminals are WBT, 24-carat gold-plated high-purity copper. An optional 11 kg CNC-machined aluminium plinth adds stability and isolation.
Where it lives
A large room. Ophidian recommends 100 to 400 W; at 87 dB and 4 ohms it rewards powerful, high-quality amplification.
On record
Hi-Fi Choice, issue 490: five stars for sound, value and build, Recommended. "Supple, weighty bass that breathes, stereo without obvious boundaries." Its only reservation was that the size will not suit everyone.
Designed, built and voiced by Gareth James, the founder of Ophidian Audio, on the Wirral, England. Ophidian has made loudspeakers since 2011.
Frequently asked questions
What room does the Voodoo need?
A large one. Two 10.5-inch woofers rated to 26 Hz and a 1.3 m cabinet are built for scale.
Do I need the optional plinth?
No. The optional 11 kg CNC-machined aluminium plinth adds stability and isolation for the last degree.
What amplifier does the Voodoo need?
Ophidian recommends 100 to 400 W.
Ophidian Voodoo technical specifications
| Type | Three-way floorstander, Aeroflex bass loading (hybrid transmission line and port) |
| Bass drivers | 2 x 265 mm (10.5 in) black anodised aluminium, triple shorting rings |
| Mid-bass | 180 mm (7 in) aluminium, solid alloy phase plug, damped sub-enclosure |
| Tweeter | 22 mm Sonomex soft dome, large roll surround |
| Crossover | Mundorf air-cored coils, low-distortion capacitors |
| Terminals | WBT, 24-carat gold-plated high-purity copper |
| Frequency response | 26 Hz - 25 kHz (-3 dB, manufacturer) |
| Sensitivity | 87 dB (2.83 V / 1 m) |
| Impedance | 4 ohms nominal |
| Recommended power | 100 - 400 W |
| Dimensions (H x W x D) | 1296 x 304 x 365 mm including grilles; plinth 434 x 483 mm |
| Weight | 59.5 kg each; optional aluminium plinth 11 kg |
| Finish | Walnut real wood veneer; custom finishes on request |
| Made in | England, by Ophidian Audio |
