Esoteric S-05Esoteric S-05
Esoteric S-05

Esoteric S-05: Powerful class A stereo terminal

Esoteric S-05 is a stereo power amplifier borrowed from the engineering technologies of the flagship Grandioso M1X monoblock. The new S-05 is a Class A power amplifier completely focused on delivering all the unique tonal qualities of music from a more compact stereo system, embodying the Grandioso M1X philosophy of “minimum circuitry, maximum power.”

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The device uses “generous use of materials borrowed from the Grandioso M1X” in combination with a simple and clear circuit design concept. This is a dual mono design with a proprietary Esoteric current signal interface and an ES-Link analog input. 3 parallel cascades of bipolar transistors are used.

The power transformer with a large W-shaped core with a power of 940 VA was supplemented with special storage capacitors (10,000 μF × 4/channel). The circuit of the input gain stages is balanced.

 

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A BTL/Bi-amp operating mode switch is provided for a dual amplifier configuration. Output power in bridged BTL mode: 120 W/channel (8 ohms). Output power (nominal): 30W + 30W (8 Ohms, Class-A), 60 W + 60 W (4 Ohms).

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