Accuphase AD-2900 사용 설명서 - 페이지 2

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Accuphase AD-2900 사용 설명서
Thank you for your purchase of the AD-2900 Photo Equalizer Unit. The AD-2900 fits into the
expansion slot on the preamp units listed below, and delivers equalizing amplification of playback
signals from analog discs. You can operate the AD-2900 from the front panel of the preamp unit.
Supported Preamps:
Be sure to turn your preamp's power off before inserting or removing the AD-2900 to prevent equipment
damage.
Do not touch the AD-2900's circuit board or connectors. Touching these areas with your hands may cause
static electricity or connection faults that may damage your equipment.
Be sure to tighten the four screws securely. Loose attachment may result in equipment damage.
Do not use electrical contact enhancers or conductivity agents on inputs jacks and connectors, as these
may cause failure, and lead to a serious accident.
Switch off the power on the preamp unit.
Use the included hex key to remove the four
screws holding the unit's expansion slot cover
in place, and remove the cover (Fig. 1).
• Retain the cover in case of future need.
Expansion
slot
Guderails
Slot cover
The AD-2900 delivers the same gain regardless of your preamp model—MC 64/70 dB; MM 34/40 dB. Note
that if the AD-2900 is installed on any of the following models, the value displayed by the gain switch will
not match the actual gain.
Models Where Display Does Not Show True Gain:
When using MC gain, the available load impedance selections will vary according to your preamp model.
C-2900
C-2850, C-2820, C-2450, C-2420
C-2810, C-2800, C-2410, C-2400, C-290V, C-290
J211.2X
PHONO EQUALIZER UNIT
AD-2900
C-2900, C-2850, C-2820, C-2810, C-2800, C-2450, C-2420, C-2410, C-2400, C-290V, C-290
Fig. 1
Preamp Model
ACCUPHASE LABORATORY, INC.
YOKOHAMA, JAPAN
CAUTION
Installation
Insert the AD-2900 along the two bottom
guiderails (Fig. 2). Firmly push all the way in,
inserting some pressure until the connectors
connect and it stops moving.
Use the four screws to fasten the AD-2900 to
the unit.
Hex key
(included with the AD-2900)
Note
C-2820, C-2810, C-2800, C-2420, C-2410, C-2400, C-290V, C-290
Available MC Load Impedance Settings (Ω)
Instruction Manual
Fig. 2
10/30/100/200/300
10/30/100/300
10/30/100
820-3339-00 (B1) Printed in Japan