• Take care not to pinch the cables when
wiring, making cable wiring by force may
result in fire or electric shock.
• Use the specified plate in combination. Doing
otherwise may cause the unit or component
to fall off, resulting in personal injury.
CAUTION
When Installing the Unit
• Avoid installing the unit in humid or dusty
locations, in locations exposed to the direct
sunlight, near the heaters, or in locations
generating sooty smoke or steam as doing
otherwise may result in fire or electric shock.
• Avoid touching the unit's sharp metal edge to
prevent injury.
• To avoid electric shocks, be sure to switch off
the amplifier
’s power when connecting the
unit.
When the Unit is in Use
• Do not operate the unit for an extended
period of time with the sound distorting. Doing
so may cause the connected speakers to
heat, resulting in a fire.
• Have the unit checked periodically by the shop
from where it was purchased. Failure to do so
may result in corrosion or damage to the unit or
its mounting bracket that could cause the unit to
fall, possibly causing personal injury.
2. GENERAL DESCRIPTION
The AT-063AP, AT-303AP, and AT-603AP are the wall -mount transformer type attenuators
capable of handling a wide range of input power. They feature 5-level fine volume adjustment and a
push-in terminal block for easy cable connection.
3. FEATURES
• Volume adjustable to 5 levels (0 dB, −6 dB, −12 dB, −18 dB and OFF)
• A push- in colored terminal block provides an easy cable connection.
4. SPECIFICATIONS
Model
AT-063AP
AT-303AP
AT-603AP
Input volume
0.5
–6W
0.5
–30W
0.5
–60W
Input Impedance
20 kΩ – 1.7 kΩ
20 kΩ – 330 Ω
20 kΩ – 170 Ω
Attenuation
5 steps (0 dB,
– 6 dB, – 12 dB, – 18 dB,OFF)
Applicable Cable
600 V vinyl-insulated cable (Indoor Vinyl or Heat-resistant Indoor Vinyl cable)
Solid cable: ø0.8 (0.03")
– ø1.6 (0.06") mm
Finish
Knob, panel, plate: ABS resin, white (RAL 1013 or equivalent color)
Case:
ABS resin, black
Terminal
Push-in connector
Dimensions
70 (w) x 120 (h) x 52.4 (d) mm (2.76
” x 4.72” x 2.06”) (with plate)
41 (w) x 108 (h) x 52.4 (d) mm (1.61
” x 4.25” x 2.06”) (attenuator only)
Weight
170 g (0.37 lb)(unit only)
210 g (0.46 lb)(unit only)
210 g (0.46 lb)(unit only)
Note:
The design and specifications are subject to change without notice for improvement.
• Accessories
Plate
....................................................................
1
Machine screw M3.5 x 5 (mounted to the plate)
.....
2
Machine screw M4 x 35
........................................
2
• Optional products
Plate:
YP-1AF
Wall mounting box: YS-11A
Flush-mount box: YC-801
Wall-mount box:
YC-802
