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The Artemis Labs PH-1 Phono Preamplifier is the result
of several years of perfecting a simple yet extremely high quality tube-type preamp. High quality
parts are used throughout and the design is rugged and reliable. The sonic qualities: tonality,
detail, smoothness, and presence are outstanding. The PH-1 is optimized for medium- to high-output cartridges,
either moving coil or moving magnet.
Key Features:
50dB of gain with low hum and noise
Allows the use medium- to high-output cartridges.
TexTool™ ZIF socket connected to
phono inputs
Allows any shunt loading resistor or capacitor
to be effectively attached.
Three stage design with passive RIAA equalization
Equalization is flat within +/- 0.2dB from 20Hz
to 20KHz and is flat to +/- 0.5dB to 40KHz. Last
two stages have gentle
feedback and can drive as low as 8K loads without
the use of cathode followers.
All key audio circuits wired point-to-point using
military-style terminal boards
Sonic degradation due to fiber-glass PC boards
is minimized.
One 6N1P tube, two 12AX7/ECC83 tubes
and two 5687 tubes. All but 6N1P are run in Cool-Swap™ Configuration
An idle spare in each tube, plus tubes run cooler.
Cutom made choke loads for each triode
Allows tubes to run in their most linear mode
and permits lower plate supply voltage
Low-Gain MOSFET high voltage regulation
One regulator per channel minimizes cross-talk
and gives a firm, stable sound without sounding “solid-state”.
Designed and built in the United States
using the best parts from around the world
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