Audio Analogue Maestro Duecento SE Integrated Amplifier


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The Maestro Duecento delivers 200 Watt in a 8 Ohm load. This power doubles every halving of the load up to 2 Ohm. It’s equipped with 2 unbalanced input and 2 balanced inputs with selectable configuration. It has been designed with high-performance circuits solutions and high precision passive devices such as military resistors or double-side metallized polypropylene plastic film capacitors. Each channel has it’s own transformer, a 1300VA unit, and it’s own rectifing section realized with two discrete diodes bridges and two low ESR capacitors for a total of 44000μF. A great deal of effort went into the design and construction of theMaestro Duecento power amplifier. Used properly, it will give you many years of enjoyment! 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.
Model Audio Analogue Maestro Duecento SE Integrated Amplifier
specifications Dimensions (Nota1) 10,3 x 17,5 x 18,9 “
Weight 135,6 Lbs
Line gain 12 dB
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 5 Unbalanced Inputs + 1 Balanced Input 
Outputs Tape Out

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