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Conrad-Johnson ET3 Line Stage Preamplifier

Conrad-Johnson ET3 Line Stage Preamplifier
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Conrad-Johnson ET3 Line Stage Preamplifier
Conrad-Johnson Stereo Line Stage Pre-Amplifiers
Our new entry-level preamplifier, the ET3, can be expected to set new standards of performance in its market segment. It is distinctly a “baby” GAT. The family resemblance is much more than skin deep. The line-stage circuit of the ET3 is essentially the same as that of the GAT (a 6922 triode supplies voltage gain, with a MOSFET follower providing an ultra-low output impedance). DC regulators patterned after those used in the GAT provide stable DC voltage to the audio circuits. Finally, and especially noteworthy, the ET3 features a relay operated discrete level-control circuit which is virtually the same as that found in the more expensive GAT and CT5 line stages, absent only the balance adjustment function.

For vinyl enthusiasts, the ET3 is optionally available with a phono stage card that borrows its circuitry from our reference quality TEA1 phono stage.

Functionally, the ET3 offers the same highly flexible I/O facilities as found in the GAT. There are six separate line-level inputs (including one “tape” loop), plus a theater loop that facilitates use in a home theater system. And all functions are controllable by the infra-red remote control.

Parts quality of the ET3, while not up to the extreme (and unique) standards of the GAT, is extremely high. All capacitors in the audio circuits and related power supplies are constructed with polypropylene dielectric. All resistors are precision metal film. In fact, the ET3 is built to standards that meet or exceed those of many companies’ “flagship” offerings.

For customers seeking an even higher level of refinement, a Special Edition will be available which will include upgraded I/O connectors, Teflon “bypass” capacitors, and extensive use of Vishay resistors. These two models will replace the conrad-johnson Classic and ET2 preamplifiers.

Specifications:

Gain: 25 db
Maximum Output: 20 vrms
Output Impedance: 100 ohms
Distortion: less than .15% THD
Frequency Response: 2 Hz to more than 100kHz
hum and noise: 98 dB below 2.5 v
tube complement: 1 x 6922

Optional Phono Stage:
Gain: high gain version 54 dB, low gain version 40 dB
Phono Equalization: within +/- .25 dB of RIAA standard
Hum and Noise: 80 dB relative to 10 mV input
Tube Complement: high gain 3 x 12AX7, low gain 2 x 12AX7, 1 x 12AU7

Dimensions: 13.125D x 19W x 3.315H inches
Weight: 13 lbs. net

Item # SKU16486
Weight 24.00 lbs
Estimated Shipping Time 1-5 Business Days (Special Order)
 
Price: $2500.00
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