



@ Contact 
The sound of Pure Class A 
Amplifiers 



Sinfonico 
power: 25W+25W input sens: 1V/50kΩ frequency responce: 2Hz  50kHz 
Class A dual mono zero feedback dc coupling stages: 2 
(L x P x H): 535 x 310 x 135 mm weight: 17Kg 
power: 37W+37W input sens.: 500mV/50kΩ frequency responce: 2Hz – 50kHz gain: 28dB 
Class A dual mono zero feedback dc coupling stages: 2 
(L x P x H): 535 x 310 x 135 mm weight: 16,3Kg 

power: 68W+68W input sens: 1.2V/13kΩ frequency responce: 6Hz – 78kHz gain: 26dB input: unb and/or bal 
Class A dual mono zero feedback dc coupling 
(L x P x H): 535 x 410 x 170 mm weight: 34Kg 

power: 40W+40W input sens: 1.2V/13kΩ frequency responce: 6Hz – 78kHz gain: 23dB input: unb and/or bal 
Class A dual mono zero feedback dc coupling 
(L x P x H): 535 x 410 x 170 mm weight: 32Kg 

power: 10W+10W /8Ω input sens: 9Vrms/25kΩ frequency responce: 3Hz – 1MHz gain: 0db 
Class A dual mono zero feedback stages: 1 
(L x P x H): 450 x 410 x 90 mm weight: 7Kg other power available on customer request 

Preamplifiers 



input: 1 unbalanced output: 1 unbalanced frequency responce: 2Hz – 1MHz slewrate: 85V/μs T.H.D.: 0.008% in/out ratio: 1/1 gain: 0dB 
Classe A dual mono line preamplifier volume control: single control on each channel 
(L x P x H): 440 x 240 x 55 mm weight: 4Kg 


input: 2 balanced+ 2 unbalanced output: 1 balanced + 1 unbalanced frequency responce (unbalanced): 5Hz – 180kHz @ 0.1db; 0.5 – 1MHz @ 3db T.H.D.: 0.02% @ 2V RMS gain:nselectable 13/16db output resistance: 22 Ohm feedback: no feedback Slew rate: 100 V/uS Vout max (unbalanced): 11Vp 
Class A dual mono line preamplifier volume control: with motor (on request), single control on each channel 
(L x P x H): 440 x 300 x 55 mm weight: 5Kg 
input: 2 balanced+ 2 unbalanced output: 1 balanced + 1 unbalanced frequency responce: 0.5Hz – 22kHz @ 0.1db; 0.1 – 45kHz @ 3db T.H.D.: 0.001% @ 16V RMS gain: selectable x4/x6/x8 (independent sections) out resistance: 40 Ohm feedback: no feedback Slew rate: 10 V/uS Vout max (unbalanced): 24Vp Vout max (balanced): 48Vpp 
Classe A dual mono volume control: single control on each channel – 24 step, very low noise laser trimmered resistors stages: 1 no capacitors on audio path design: fully balanced, DTPC (differential totel pole configuration) 
(L x P x H):600 x 340 x 100 mm weight: 20Kg 
*For the policy of continuous development of equipment specifications are subject to change without notice