L'Instrument Grande Voix

Statement... dual-horn Masterpiece!

Sound and Art become Passion.

A loudspeaker like no other and second only to the Gottenburg, More efficient than Fantom and more of what has made Berlin and L'instrument groundbreaking loudspeakers is L'Instrument Grande Voix.


Driver Compliment:



1.25"Textile dome tweeter with machined titanium coil former loaded within the larger double purpose horn: acting as wave-guide for the tweeter and bass-port for the woofer at the same time. A Viking exclusive innovation.


Wide Band Driver:

6.5" full range driver with hybrid motor mounted in the smaller turned wood horn


Bass Driver:

18" bass driver with hybrid ceramic AlNiCo motors non-removable frameless grill covers woofer ports through the dual horns 

Horns, Cabinet, and Resonator[s]:


Front resonator: Tone-wood Instrument (resonator) with bypass port in curly maple curly cherry or curly walnut

Rear resonator:

Entire rear panel is a semi-active resonator

Logarithmic tone-wood Horns:

20.5 + 14" Hand turned tone-wood horns in American maple American black walnut, or all North American 6A cherry


NorseLock© Semi-active, Self-damping Cabinet Architecture (SASDA), In fine wood or finished in Piano Paint.


98 db

Time Alignment:

Drivers time-aligned mechanically and electrically.


19Hz - 30kHz 


Binding Post:

4 way low-mass tellurium copper with speaker frame Earthing terminals

Internal Wire:  20awg solid core high tensile strength 6N copper wire in cotton silver solder (wiring optimized for detail and efficiency) 

Impedance: 8 ohms


Recommended Power:

 6-100 tube watts

100+ transistor watts


Cabinet Dimensions:

52" H  25.5" W  13.5" D 


Grande Voix' design perfected by computer models.

How to Order:

L'Instrument Grande Voix

Price Upon Request

Choose your matching wood horns:

Maple (shown)

Clear Maple +1,000 

6A Cherry

Persian cedar +700

All Claro Walnut + $2500

Solid Port Orford white cedar (NA)


Choose your wood baffle:


(Rubbed oil finish or sprayed gloss, satin or matte)

Clear Maple

American Cherry-wood

Claro Walnut + 800

African ribbon Sapele +1,000

Persian Cedar +1,000

Hawaiian KOA (PUR)

African Zebra-wood (PUR)

African Ebony (PUR)


Baffles Cabinet in rubbed piano finish

(deep gloss, satin, matte)

Near-black  + 3,000

Just-off-white + 3,000

Kabuki Red +4,000

Custom colour: (PUR)

Driver+ cap/coil Upgrade:

Hand-Made AlNiCo wide-band driver with ecru colored dual cone with turned spruce phase plugs (clear wood or black) upgraded cap, coil and internal wire +4,000.00 (shown)

Delivery Mid 2020  

All four of Grande Voix horns are turned from matching timbers! Choose North American maple, black walnut, or American Cherry.

© 2019-2020 Viking Acoustics LLC. All rights reserved