6
[Rear]
UNIT
BREAKER
3.15A
PUSH
RESET
SPEAKER OUT
4Ω
10Ω 83Ω
COM
CLASS 2 WIRING
70V
25V
DO NOT USE THESE 4Ω , 25V AND 70V
TERMINALS AT THE SAME TIME.
BRIDGE OUT
10kΩ
INPUT
LEVEL
0dB
+4dB
REMOTE
VOLUME
H
E
LINE IN
H
E
+
-
10
11
12
13
14
15
This figure represents the BA-260.
8
9
8. Breaker
Cuts off the AC power supply from the AC outlet
if the power current exceeds the allowable value.
Note
The yellow button in the breaker pops out to
indicate that the breaker has tripped. After
turning off the power and eliminating the cause
of the breaker trip, press the button to reset the
breaker.
9. AC power cord
Connect to an AC wall outlet.
10. Speaker output terminal
4
Ω
, 25 V and 70 V outputs, removable terminal
block.
Connects to speakers.
Refer to p. 7.
11. Remote volume terminal
Removable terminal block.
Connecting a 10 k
Ω
linear taper volume control
across these terminals will allow remote control
of speaker output level.
12. Bridge output terminal
Removable terminal block.
This connector is internally connected in parallel
to the Line input connectors (14).
Connect to the other amplifier’s input.
13. Input level selector switch
Selects either 0 dB or +4 dB for the line input
sensitivity level.
14. Line input terminals
10 k
Ω
, 0 dB*/+4 dB* selectable (see item 13),
unbalanced, removable terminal block and RCA
jacks (Upper and lower RCA jacks are internally,
passively mixed.) (* 0 dB = 1 V)
These connectors are internally connected in
parallel to the Bridge output connector (12).
Connect to the MOH output or Line output of the
optional BG-220 or BG-235, or the Line output of
a sound source equipment such as a CD player.
15. Functional ground terminal
Hum noise may be generated when external
equipment is connected to the unit. Connecting
this terminal to the functional ground may reduce
the hum noise.
Note:
This terminal is not for protective earth.
6. Bass control
Turn the control clockwise to increase bass level
and counterclockwise to decrease it.
The center position of the control provides flat
frequency response.
7. Treble control
Turn the control clockwise to increase treble level
and counterclockwise to decrease it.
The center position of the control provides flat
frequency response.
