Conrad Johnson ET3 SE with High Gain Phono Recipient of The Absolute Sound 2017 Editors' Choice Award SE is the Upgraded version of the ET3 with "DCJ Telflon Caps, dozens of upgraded metal foil resisitors and upgraded Input/Output connectors". SE version is ~ $1500 upgrade https://conradjohnson.com/et3et3se-vacuum-tube-preamplifiers/ Vacuum Tube, Zero Feedback Line stage and Phono Circuit
Line Stage 'closely resembles the circuit of the GAT", utilizes 1x 6992 Triode Tube Six flexible inputs including home theater and tape loop. I'm including the stock Electro-Harmonix tube and a 1970's vintage Siemens German tube which I purchased as NOS from Upscale Audio, 'stash', $ 160 cost.
Phono Stage has the High Gain version; 54 Db's of Gain for lower output cartridges of 1.0Mv or less. I have a 0.40 Mv output Moving Coil. Switchable Input Loads from 75K Ohms down to 200 Ohms. High Gain, Zero Feed Back circuit has 3x 12AX7's. Current Mullards are included. High Gain SE Phono stage is a ~ $2500 cost over base ET3
Original, non-smoking owner . Purchased 2018. List price $6500.
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