Go to Sonist website

The Sonist Concerto 2 standmount is now in production
95dB, 40-40Khz, 7 ohms, 8" woofers, ribbon tweeters,
integral waveguides formed in 2" thick solid poplar baffles

Go to Sonist website

Sonist Concerto 2

Horn Loudspeaker Design and Practice

ROYAL DEVICE TUBE AND SOLID STATE ELECTRONICS

ZERO FEEDBACK SINGLE-ENDED

SARA 300B SET 10wpc - $3,295
includes volume control

ELLA single-ended preamplifier - $2,695
FRANCIS singled-ended 30 watt stereo amplifier - $3,295

Ella preamplifier upgrades:
Remote control - add $500
Phono stage input - add $700

BILLIE mm phono stage - $795

Note:  All Royal Device electronics are pure single-ended designs,  with zero global feedback, zero local feedback.

Go to Royal Device webpages
High-Efficiency Horn and Direct Radiator Loudspeakers from Italy.  Very high frequency high-pass filters from 6Khz - 9KHz, crossoverless woofer with mechanical rolloff.  91 - 97.5dB sensitivity, 6 ohm nominal impedance, bass reflex and back-loaded folded horn models

$2,495 - $14,995/pair

Go to Cadence webpages

Hybrid Electrostatic Loudspeakers
88 - 92dB, 8 ohm,
$1,995-$17,995/pair

 Tube Electronics:
VA 1.0 integrated EL34 $2,995
Canasya 845 monoblocks -   $24,995/pair
Go to Nightingale website

Simply elegant retro tube electronics from Italy -  push-pull and ultralinear designs built to exacting standards of musicality and reliability.

Preamps, Integrated Amps, Stereo Amps, Monoblock Amps, Power Conditioners

$1,795 - $12,995

 

 

 

 

 

 

CONTACT INFORMATION:
O. S. Services, Inc.
10153 1/2 Riverside Drive, # 159
Toluca Lake, CA 91602
Phone: (818) 632-0692

 


Where to buy:   retail@ossaudio.com

Product information & literature: info@ossaudio.com