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Sublime Harmony
The ideas driving our designers' work are a sound of great clarity that, without sacrificing any detail, provides high emotional involvement; recreation of the complete musical scene; good control of timbre in the low frequencies; smooth presence in the mid range and airy purity in the high frequencies. The sonic performance of the Maestro Duecento is as close as possible to the ideal of the best reproduction possible today.

FEATURES:
Two toroidal, 1300VA transformer, one per channel. Dual mono design.
No capacitors in the signal path and only double-side metallized polypropylene film capacitor in the critical points.
The internal stages are DC coupled and the offset is reduced by means of an integrating amplifiers.
High current capability.
The protection and control sections are galvanically insulated from the analog sections to minimize the digital noise.
No mains fuse. The mains current is measured at the input of the transformer (with a current probe) and in case of malfunctions it's shutted off.
The voltage of both channel is measured by means of optocoupler to avoid any ground loop.
The DC offset on the output (loudspeakers) is also monitored by means of optocouplers.
The protections are realized with a PLD (Programmable Logic Device); it's faster and more reliable compared to a microcontroller.

Maestro Duecento PA - Owner's Manual (1.063,9 kb)

Parameter 

Value 

Dimensions (Nota1) 

10,3 x 17,5 x 18,1 “ 

Weight 

144,4 Lbs 

Sensitivity Unbalanced Input (Nota13) 

1,5 Vrms 

Sensitivity Balanced Input (Nota13) 

3,0 Vrms 

THD + N (1W, 8Ohm 1 KHz) 

0,03 % 

Slew Rate (Nota11) 

50 V/μs 

Frequency Response (Nota2) 

1 Hz - 160 KHz 

Noise Level (Nota10) 

-130 dB 

SNR (Nota9) 

> 100 dB 

Output power (Nota4) 

200W / 8Ohm p.c. 

400W / 4Ohm p.c. 

800W / 2Ohm p.c. 

Inputs 

2 Unbalanced / Balanced Inputs