Avalon VT-737SP - 1 Introduction

Page 5Avalon Vt-737sp Operation Manual
1.0 Introduction
Welcome to Avalon and the world of Pure Class
A music recording systems. The Vt-737sp is an
extremely powerful, versatile and musical
direct recording path for combining the essetial
elements needed for professional music
recording: Class A vacuum tube preamplifier,
vacuum tube opto-compressor and discrete
parametric equalizer.
The Vt-737sp provides the recording profes-
sional with a versatile high-quality recording
channel, capable of amplifying, controlling, and
shaping a signal from its source and delivering
the signal directly to the audio recorder or DAW
(ditigal audio workstation) input, completely
bypassing the mixing console and its sonic
limitations.
The Vt-737sp features a pure and minimal
signal path design utilizing advanced features
of high voltage, four dual triode vacuum tubes
and 100% discrete Class A circuit topologies.
The Vt-737sp combines a transformer-coupled,
dual vacuum tube preamplifier with a tube
opto-compressor and a high-voltage, discrete
Class A four-band parametric equalizer.
Twenty-two sealed silver relays provide
hard-wire bypass and multiple routing options
for total creative control and minimum signal
degradation. The output line driver combines
a dual triode vacuum tube with a low noise,
discrete high-voltage to current converter and
a balanced DC coupled output amplifier.
These elements along with many others in
the Vt-737sp provide pure balanced and
musical sound, extreme low-end definition
and amazing headroom.
The Vt-737sp is hand built in the U.S.A using
only the finest active and passive electronic
components available. Many of these parts
have been custom-manufactured exclusively
for Avalon.
A “no compromise” approach in every stage
of design and production ensures that the
Vt-737sp will give many years of dependable
high-quality service.
Introduction