Accuphase AD-2900 Руководство по эксплуатации - Страница 2
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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.
❶
Switch off the power on the preamp unit.
❷
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
❸
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.
❹
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