Musical Surroundings Fosgate Signature Bedienungshandbuch PDF herunterladen (Seite 4)

Introduction

World-class audio engineer Jim Fosgate is the vision and expertise

behind the Fosgate Signature Tube Headphone Amplifier. The

Fosgate Signature embodies unique and patented circuit topologies,

elevating the headphone listening experience. The genesis of the

design started over 2 decades ago. Countless man-hours of working

with every possible major circuit approach was not just explored, but

designed, built, and auditioned by Jim Fosgate himself.

The circuit incorporates 12AX7 vacuum tube amplification in the low

distortion SRPP configuration, similar to our Signature Phono

Preamplifier, winner of the 2011 Golden Ear Award from The

Absolute Sound magazine. High speed, high current video buffers are

used to drive headphones directly. This provides a pure audio path

with low output impedance, low distortion, and wide signal bandwidth.

The Video Buffers are not Op Amps and have no voltage gain. They

offer high input impedance so the vacuum tubes are not loaded

down, and low output impedance capable of driving most

headphones to high volume levels with no audible distortion or

colorations. The smooth, natural sound of the 12AX7 vacuum tubes

passes straight through to the outputs.

The bass boost equalizer circuit is designed to give the headphone

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Musical Surroundings Fosgate Signature Bedienungshandbuch Seite 4