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DESCRIPTION 3

In early 2004, development began on the long awaited successor to the Stage 3 Amplifier.

Our design goals were nothing less than improvements in sonics and industrial design

sufficient to raise this product series up into the more prestigous and well known "Coda"

product line. At about the same time, another well-known audio manufacturer

commissioned Coda to develop a cost-no-object reference monoblock amplifier and

reference preamplifier.

During this extensive 2 year development process, many new components and design

enhancements were measured and subjectively evaluated on an exhaustive scale. It was

during this process of experimentation that it became clear that judicious use of extreme

high quality component parts and techniques could extract even greater perormance out

of our current designs. The resultant design evolution brought a quantum improvement in

timbre and resolution to the entire component line. This was the genesis of the new Coda

"X" series... the Monoblock Amplifier CX, Preampllifier CLX, and Stereo Amplifier CSX.

The Coda Amplifier CSX features a wide range of design topologies and components

ported from the both the the broad lineage and the most recent advances in the Coda

products and design topologies, which include:

· HIGH CURRENT DESIGN IDENTICAL TO THE AMPLIFIER CX · NEW VMOSFET VOLTAGE GAIN STAGE

· TRUE STANDBY MODE TURNS OUTPUT STAGE BIAS CURRENT ON AND OFF FROM THE FRONT PANEL.

· COMPONENT UPGRADES TO HARDWARE AND COMPONENT PARTS, INCLUDING Mills Custom Copper-

Nickel Alloy Wirewound Emitter Resistors, IXYS High Speed Rectifiers, Black Gate and RelCap

capacitors, Vishay Resistors, WBT Signature Gold Binding Posts, WBT or Vampire OFC RCA

connectors, etc.

· 3.0 kVA ENCLOSED TORIODAL TRANSFORMER · GOLD PLATED CIRCUIT BOARDS

The CSX is a stereo version of the Monoblock CX, which was orignally based on the design

and form factor of the Amplifier CS. The CSX design is identical to the Amplifier CX, except

that the 36 output devices are split betweeen the 2 channels of the CSX amplfier.The power

supplies take a very direct approach to high performance. A custom 3.0kVA encased,

shielded toroidal transformer with independent windings and IXYS high speed rectifiers and a

total of 80,000uf supply capacitance with very low ESR and inductance is used.

Differential JFET inputs and a new Vertical MOSFET voltage gain stage provide exceptional

rejection of noise and contributes to the inherent DC stability of the circuit. This allows direct

coupling at the Balanced Input without servo circuitry. The front end is designed to provide

a slew rate of 50 V/us without entering Class B operation as is common in many other

designs. The amplifier's excellent high frequency design insures superlative linear operation.

This latest generation Coda output stage design is capable of producing peak

currents in

excess of 125 peak Amperes with a

degree of linearity and speed which is not matched by

other designs when producing only a fraction of this massive amount of current. The bias

section is designed to produce a precision transition with no abrupt changes in distortion or

output impedance. This “Precision Bias” technique yields seemless performance regardless

of the complexity of the load impedance. With such linearity and bandwidth, only 6db of

feedback is used to maintain damping factor while permitting the minimal value custom

emitter resistors to provide current limiting only under such extreme conditions that would

exceed the output stages high current capabilies. One advantage of this is a high degree

of immunity from interactions with complex speaker loads or cables.

The sonic and aesthetic value of the CSX verses the CS amplifier is unquestionable. As a

complement to the CX, CLX, or 05X, the X components provide a rarre sonic synergy and

represent some of our best efforts to date and provide a clear example of what we mean

by our simple mission statement to provide "Fidelity. Performance. Value."

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