Artemis Labs PH-1 Phono Stage




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Artemis Labs PH-1 Phono Stage

Artemis Labs PH-1


A New Purist Vacuum Tube Phono PreAmp
for medium- to high-output cartridges,

either moving coil or moving magnet

Artemis Labs PH-1


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 cartridges. See information on the Artemis Labs PL-1 for a preamp optimized for low-output cartridges.


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Artemis Labs PH-1 Key Features

50dB of gain with low hum and noise

Allows the use of 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.

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•.

All Artemis PreAmps Designed and built in the United States using the best parts from around the world.

Artemis Labs PH-1 Specifications

• Mid-Band Gain (47K load, 1KHz): 52dB +/• 2dB

• Frequency Response & Distortion (measured with inverse RIAA curve applied to generator):

• Worst-case Loading (12K ohms, 1000pF):

• Frequency Response: 25Hz • 30KHz +/• 0.5dB

• THD+N at 1KHz, 2Vrms output: < 0.2%

• Average Loading (47K ohms, 250pF):

• Frequency Response: < 10Hz • 42KHz +/• 0.5dB

• THD+N at 1KHz, 2Vrms output: < 0.2%

• Maximum output voltage (47K load, 1KHz, 0.5% THD): 40Vrms

• Output Noise (grounded input, 47K load, rms detector):
   • 22Hz - 30KHz: < •59dB below 2Vrms output
   • •A-weighted•: < •69dB below 2Vrms output

• Crosstalk:
   • 1KHz: < •TBD dB
   • 20KHz: < •TBD dB

• Effective Output Impedance: approx. 1300 ohms (1KHz)

• Input Impedance: 47.5K ohms, lower with optional shunt resistors.

• Mains Voltage: Wired at factory for one of the following voltages: 100, 110, 120, 220, 230, 240V, 50 to 60Hz.

• Power Consumption (rms): 40 Watts nominal, 49 Watts maximum.

• Size: 6 •" (165 mm) Height, 8 •" (216 mm) Width, 14 5/8" (371 mm) Depth

• Mass: 24 lbs. (11Kg)


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More information can be found in the following pdf file downloads :

Artemis Labs PH-1 User Manual

Artemis Labs PH-1 Features

Artemis Labs PH-1 Handout

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Artemis Labs Product Line

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Artemis Labs PL-1

Artemis Labs LA-1

Artemis Labs SP-1

Artemis Labs DP-2

Artemis Labs SA-1S

Artemis Labs Reviews

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