❶
Set the power switch of the preamplifier to OFF.
❷
Remove the sub panel of the expansion slot on
the rear panel. Use the supplied hex wrench to
remove the four screws by turning them coun-
terclockwise (see Fig. 1).
The removed sub panel is not used.
❸
Slide the AD-2850 into the preamplifier along
the two guide rails on both sides (see Fig. 2).
When you feel a certain resistance, give the
AD-2850 a slight push until the connector is fully
plugged in. When the AD-2850 is flush with the
rear panel, it is inserted correctly.
❹
Use the four screws to fasten the AD-2850 by
turning the screws clockwise.
PHONO EQUALIZER UNIT
Installation
Thank you for purchasing the Phono Equalizer Unit AD-2850.
This unit is designed for installation in the preamplifier models listed below, to pro-
vide analog disc reproduction capability. After installation, all functions are operated
with the controls on the front panel of the preamplifier. For details about use, please
refer to the instruction manual of the preamplifier in which the unit is installed.
G161X
820-3303-00 (B2) Printed in Japan
ACCUPHASE LABORATORY, INC.
YOKOHAMA, JAPAN
AD-2850
Instruction Manual
●
Be sure to set the power switch of the preamplifier to OFF before inserting or removing the
AD-2850. Otherwise damage may occur.
●
Do not touch the component side, solder side, or connector of the AD-2850. Otherwise static
discharge may cause damage, and contact problems may occur.
●
Make sure that all four screws of the are securely fastened. Otherwise a floating ground condition
may occur, which can lead to damage.
CAUTION
Supportedmodels
: C-2850, C-2820, C-2810, C-2800, C-2420, C-2410, C-2400, C-290V, C-290
*
If using compatible models other than the C-2850, C-2820, C-2420, the actual values set by the
switch are different from those written on the panel. From left to right, the settings become: MM30,
MM40, MC60, and MC70 (dB). The MC LOAD "300" (ohms) setting also does not work in this case.
Hex wrench
Guide rails
Sub panel
Phono Equalizer Unit
AD-2820
Fig. 2
Fig. 1
Expansion
slot
Retain the Sub panel for future use.
(included with the AD-2850)
LEFT
TUNER
CD
INPUTS
LINE 1
LINE 2
LINE 3
LEFT
RIGHT
BAL
LINE 1
LINE 2
LINE 3
INPUTS
LEFT
TUNER
CD
INPUTS
LINE 1
LINE 2
LINE 3
LEFT
RIGHT
BAL
LINE 2
LINE 3
PHONO
EQUAL
IZER UN
IT
MODEL
AD 28
50