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Symphonia Signature

Symphonia Signature
We were hungry to implement a phase aligned crossover with a shallow acoustic slope for a smooth power response. We were eager to listen to the layers of detail and depth that can be achieved when these key ingredients come together. When we found the technology to align the acoustic centers of the Cell drivers, we just had to use them in our designs. That’s why we developed the Symphonia Signature: we wanted to implement these technologies and see what's possible given the strengths of pure piston ceramic cones and time aligned drivers. Top that off with dual 7" underhung long-throw drivers, a cabinet that features double thick sculpted baffle material, and a finish second to none... and you are left with the Signature. This model marks our 10th Anniversary in business, and we are so proud of the outcome. This speaker is truly state-of-the-art.

Here's the list of features:

Made in the USA 

German and Danish top of the line driver technology

Accuton Cell midrange/tweeter array mounted on custom aluminum powder coated baffle

Low parts count crossover:

ERSE air core inductors

Mundorf capacitors and resistors in tweeter signal path

Mundorf resistors

Cardas soldering all point to point from binding posts to drivers

High-end Supra wiring

Cardas patented binding posts

Custom engraved binding post plate and port ring to lower resonance.

Braced and sculpted 2" thick baffle, with non-parallel sidewalls

Flared port for low noise

Proprietary damping material to turn vibration into heat



Size: 10.5"W X 40"H X 14.5" D (cabinet tapers back and slopes 5 degrees)

Frequency Response: 35hz-25khz 

Impedance: 4 ohm 

Minimum Power Requirements: 35watt (tube) 50watt (solid state). 89db/2.83v/meter

3-way fullrange loudspeaker

Tweeter/midrange array decoupled by expanding o-ring driver technology mounted to custom aluminium mounting plate 

1 x 25 mm Accuton™ Cell ceramic tweeter

1 x 90 mm Accuton™ Cell ceramic midrange 

2 x 184 mm Illuminator™ woofer, long excursion design with underhung voicecoil

Bassreflex port design for lowest port noise with dual flared ends 

Height adjustable isolation floorspikes included (not shown)  

impedance: 4 ohm 

Burgundy automotive gloss finish rubbed out to a mirror shine

Weight: 2 x 87 lbs. (plus packaging)






We are using the amazing sounding and latest generation Accuton drivers that create the most transparent and effortless musicality we've ever heard. The transition to the 1" inverted ceramic Cell dome tweeter with under-hung voice coil is seamless, and here we are using only premium parts in the signal path. The crossovers are hand wired using top tier pure copper wiring with a special coating to prevent oxidation that could degrade sound decades from now. Best of all, this speaker has gone through many refinements, and we built it so that each design consideration was refined to its fullest potential. This is evident from the hand crafted sloped front baffle for low diffraction and phase alignment, the point to point soldered crossovers, to the carefully selected and matched transducers.