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Amati Solo AS 4330I v1.1 power amplifier board

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Hi-End single-channel amplifier board Amati Solo AS 4330I v1.1 with MOSFET output transistors can operate both in the inverting and “tube” modes, producing dynamic and realistic sound images.

Listen to the tube sound without distortions!

Differential input stages of power amplifiers are placed on the matched amplifiers for the amplifier cascade balance. No feed-through capacitors are used.

single-channel power amplifier board Amati Solo AS 4330I v1.1

Power amplifier board of Amati Solo AS 4330I v1.1:

·        «Tube» playback mode;

·        inverting connection;

·        MOSFET output stages with customized transistors made on our specifications operate in AB-class;

·        no feed-through capacitors;

·        input differential cascades, are executed on precision transistor assemblies with identical characteristics of transistors;

·        cascode type of power amplifier with phase-splitter, based on the differential circuit of MOSFET transistors;

·        discrete circuitry;

·        double-sided printed boards with 70 μm copper foil;

·        chip-elements reduce the amount of electromagnetic interference and maintains the temperature balance of the circuit;

·        relay-actuated switch of the amplifier output, built in current sensor;

·        toroid coils with polypropylene frames on an output of the amplifier are used for minimization of parasitic fields of frequency dispersion;

·        high-quality LowESR electrolytic and film capacitors.

Technical specifications of Amati Solo AS 4330I v1.1 power amplifier board:

Amati Solo AS 4330I v1.1*:

Number of channels

1

Class of power amplifier operation

AB

Power output (RMS), with loading 4 ohm

60 W

Input impedance

48 kOhm

Frequency range, on level - 3dB

10 - 50 000 Hz

Signal to noise ratio, min

95 dB

Total harmonic distortion index (THD), max

0,01 %

Intermodular distortion index (IMD), max

0,02 %

Output fixed bias protection

Yes

Output short circuit protection

Yes

Operating supply voltage

± 26 V

Our company follows the policy of continuous development and product improvement. Therefore technical specifications and amplifier construction can be changed without prior notification.

Read more about the attaching points connecting the power amplifier board to other AS components.

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