3. Note
z Do not use PHA-100 for MM cartridge, because PHA-100 is only designed for MC cartridge.
z To avoid hum problem, power supply unit should be in place as far as possible keeping distance from main
unit.
z When you change the cartridge or operate the impedance switch, you should reduce the volume of pre-
amplifier completely or shut off the power of your system to avoid an unexpected accident.
z Do not connect any sound devices, transformers, capacitor, resistor between PHA100 and the cartridge,
because the circuit of PHA-100 is particular circuit not common to other voltage amplifier.
3. Installation
Be sure to locate PHA-100 in the following conditions.
z Locate where reasonable air circulation
z Locate where be protected from vibration
z Locate where be protected from magnetic leakage flux.
4. Caution
When PHA-100 is handed over to reviewers for listening test, the special caution is needed for
avoiding the misunderstanding or abuse. The circuit of PHA-100 is particular circuit not common to
other voltage amplifiers. Current of the MC's coil is maximized. In other words, MC's coil is
imaginary short circuited. When the PHA-100 is tested by using ordinary signal generators or else,
current into the PHA-100 is maximized. As a result, the excessive current gives rise serious damage
to IC's of PHA.
5. Specifications
Type:Current Maximizing phono amplifier
Output voltage:Depending on the current sensitivity of cartridge
Frequency response:10 - 50,000Hz, (+0dB -0.5dB)
S/N ratio:more than 62 dB(FLAT)
Cartridge impedance:1 position --- impedance 4 - 7 ohms
:2 position --- impedance 30 - 40 ohms
:Optimum position is selectable
Power supply:AC 100volts, 115volts, 230volts, 2VA
Size &Weight:Main unit: 120w x 176D x 45H mm, 900grams.
:Power unit: 82w x 132D x 45H mm, 800grams.
Dynavector Systems, Ltd
16-15 Iwamoto-cho 2-chome Chiyoda-ku Tokyo 101-0032 Japan
Phone 0081-3-3861-4341 FAX 0081-3-3862-1650
http://www.dynavector.co.jp/
3 |
ACEC
