Specifications
INFO@APART-AUDIO.COM
3
Front panel
17
2
1615
1
19
4 5 7 9 11 13
18
3
20
6
21
8
22
10
23
12
24
14
1. Zone 1 output level: this level control sets the output level to the zone 1 preamp output.
2. Zone 1 paging led: this led lights up when zone 1 is being paged.
3. Zone 1 music selector: selects the line level input for zone 1.
4. Zone 2 paging led: this led lights up when zone 2 is being paged.
5. Zone 2 level control: this control is used to preset the zone 2 level in relation to the other zones.
6. Zone 3 paging led: this led lights up when zone 3 is being paged.
7. Zone 3 level control: this control is used to preset the zone 3 level in relation to the other zones.
8. Zone 4 paging led: this led lights up when zone 4 is being paged.
9. Zone 4 level control: this control is used to preset the zone 4 level in relation to the other zones.
10. Zone 5 paging led: this led lights up when zone 5 is being paged.
11. Zone 5 level control: this control is used to preset the zone 5 level in relation to the other zones.
12. Zone 6 paging led: this led lights up when zone 6 is being paged.
13. Zone 6 level control: this control is used to preset the zone 6 level in relation to the other zones.
14. Level indicators/clip-limit: The protect led lights up during startup during a few seconds, or when an
error occurs, such as overheating or overload. The lower green LED will light to indicate that power
is present. The signal led indicates that a strong signal is sent to the power amp. To work within
normal conditions the volume indicator should be kept under 0dB (100%). At -2,5dB a limiter will be
activated. This red LED indicates that the “auto gain circuit” keeps the level below clipping. This is
NOT a clip indicator, but an indication of the “automatic gain control”. Set your max levels so that
the limiter led never lights up !
15. Zone 2 – 6 music selector: selects the line level input for zones 2 - 6.
16. Music bass tone control
17. Music treble tone control
18. Music level control: turn this level knob to adjust the music level relative to the microphone signals.
19. Music muted by priority led: this red led lights up when the music is muted by any priority signal or
priority contact. When this led lights up, there is 24 VDC/0.6A available on the rear connector.
20. Mic/Line 2 level control: turn this knob to adjust the mic/line 2 level relative to other signals.
21. Mic/Line 3 level control: turn this knob to adjust the mic/line 3 level relative to other signals.
22. Mic/Line 4 level control: turn this knob to adjust the mic/line 4 level relative to other signals.
23. Master level control: turn this knob to set the global level in zones 2 – 6.
24. Power switch : switch mains power on and off. This switch turns off the amplier when connected to
the mains AC supply. Please note that this switch does not switch the amp off when operating from
a 24 VDC emergency power supply.