Inter-M PA-4000A - Manual (Page 10)

PUBLIC ADDRESS AMPLIFIER
7 PA-2000A/4000A/6000A
3. IMPEDANCE SELECTOR SWITCH
Selects between low impedance settings of 100V or 70V. Note that this switch is only active when the
speakers are connected to the COM terminal and one or more of the SP1-SP5 terminals. When the speakers
are connected to the COM terminal and either the 4
Ω or 8Ω terminal, this switch is non-functional.
4. EXT CHIME
When these two terminals are shorted, the one shot chime is activated.
5. EXT MUTE
When these two terminals are shorted, signals from Input Channels 3-6, turntable is muted. Signals from
Channel 1, Channel 2, Link In and Chime are not muted.
6. TELEPHONE INPUT TERMINALS
These terminals are provided for connection with a telephone exchange system for paging purposes.
NOTE:
When the telephone input is active, all other input signals except AMP IN are muted.
7. CH 6 INPUT
Channel 6 input is provided on dual RCA connectors, for use with a CD, Cassette or Phono input.
NOTE:
When both inputs are used, the signal is summed and combined.
8. CH 1-5 INPUTS
Channel 1-5 inputs are provided on balanced XLR connectors.
9. FUSE HOLDER
This holder contains the AC overload protection fuse. If the fuse has blown out, replace it with a fuse of the
same type and rating, as shown below.
If the fuse continues to blow, refer servicing to a qualified service technician.
Impedance Ratings
Model
EC & Associated, JAPAN Version USA/CANADA & Associated Version
100 V 70 V 70V 25V
PA-2000A 165 Ω 83 Ω 83 Ω 10.4 Ω
PA-4000A 83 Ω 42 Ω 42 Ω 5.2 Ω
PA-6000A 41 Ω 21 Ω 21 Ω -
AC Fuse Ratings
Model 100VAC – 120 VAC 220VAC-240VAC
PA-2000A 2A/250V 1A/250V
PA-4000A 4A/250V 2A/250V
PA-6000A 6.3A/250V 3.15A/250V
PA-6000A_E 합본-1 2008.8.18 11:14 AM 페이지 10