Esoteric Grandioso PS01F External High-Performance Power Supply For F-Series

£5,500.00

£4,583.33 Exc. VAT |

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Esoteric Grandioso PS01F External High-Performance Power Supply For F-Series

The Importance of the Preamp Section and Its Power Supply in an Integrated Amplifier

In general, integrated amplifiers select inputs in the internal preamp stage, adjust the volume, and send the signal to the power amplifier block to drive the speakers. The power amplifier blocks of the F-01/F-02 amplify the signal from the preamp to a level approximately 27 times higher. In an audio system, the sound quality of the preamp has a significant effect on the quality of the entire system because of this high gain ratio. By isolating the preamp section's power supply from other circuits to prevent mutual interference, and by increasing its capacitance, the integrated amplifier can deliver higher quality sound to the speakers that can match the quality of a high-end separate amplifier system.

PS-01F is an external power supply designed exclusively for the audio circuit of the F-01/F-02 preamp section.

It is important that the preamp section, which handles small signals, and the power amplifier section, which sends large currents to the speakers, are not affected by each other. By adding the PS-01F to the F-01/F-02, the preamp’s capacitance is greatly increased and clearly separated from the amplifier’s main rectifier, allowing the user to enjoy the finest details and dynamics of music, reminiscent of the Grandioso C1X, our flagship preamp with a separate power supply.

Mechanical Construction for High Sound Performance

The rigid, heavy-duty, thick aluminum panel enclosure and Esoteric’s unique Pinpoint Isolation Feet (patents #4075477 and #3778108), which integrate the spike and mounting plate, effectively reduce unwanted vibration that affects sound quality. The three isolation feet are positioned for optimum sound quality after repeated listening tests. The top of the isolation feet is held in place by the weight of the chassis when installed. By avoiding the stress concentration caused by screwing the feet into the large surface area of the lower chassis, a more open sound is created. The bottom chassis is laser-slotted to provide optimum vibration damping for each circuit component inside the chassis.

General
Power	AC 120V, 60Hz AC 220-240V, 50/60Hz
Power consumtion	10W
Overall dimensions (W×H×D)	146 × 128 × 353mm (including protrusions)
Weight	7kg
Accessories	Power cord × 1 High quality DC power cord × 1 Felt pads × 3 Owner’s manual × 1 Warranty card × 1

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