PH9 phono preamplifier is compatible with most phono cartridges and turntables. Three 6H30 vacuum tubes form the core of a simple and clear signal path, providing the most transparent preamplification. Five different phono impedance settings can be changed instantly using the included metal remote control. The menu system includes phono impedance, tube timing, auto-shutdown, and other functions.

Since 1970, high definition has been more than just our trademark; it’s the guiding principle behind all our products. The Basic series continues this passion and philosophy, delivering stunning playback, immense value, and unparalleled long-term support to our audience.

Electronic Specifications

Frequency response

RIAA ±.2 dB, 5 Hz to 20 kHz; 1 dB point below 0.3 Hz and above 80 kHz.

Distortion

Less than 0.015% at 3V RMS 1kHz output.

Gain of 55 dB at 1 kHz

Input impedance

Optional loads: 47k, 1000, 500, 200, 100 ohms.

Output impedance

200 ohms. Recommended load: 50k-100k Ohms and 100 pF. (Minimum 10k Ohms, maximum 2000 pF).

Output polarity

Same phase.

Maximum input at 1kHz

80 mV RMS。

Rated output

0.5V RMS, 10 Hz to 60 kHz, 100K ohm load (maximum balanced output capability is 0.46V RMS, THD less than 0.5% at 1kHz).

control

Six buttons: Power, Menu, Options, Input, Input, Mute.

power supply

Electronically regulated low-voltage and high-voltage power supplies. Automatic 2-minute preheating/silent operation upon power off. The line adjustment rate is better than 0.01%.

noise

77 dB, input short circuit.

Vacuum tube supplement

(3) 6H30P , plus 6550WE and 6H30P (one each) in the power supply

Power requirements

100-125VAC 60Hz (200-250VAC 50/60Hz) Maximum 120 watts. Standby: 2 watts.

SIZE

Width: 48 cm (19 inches)
Height: 13.7 cm (6.5 inches)
Depth: 34.8 cm (13.7 inches)
Handle extends forward 4 cm (1.6 inches) from the front panel.
Weight: 15.4 lbs (7 kg) net; 23.5 lbs (10.7 kg) shipping.