| Parameter |
Specification |
Limit |
Conditions/Comments |
| MIC/LINE PAGE INPUT |
Balanced |
|
Instrumentation amplifier |
| .....RFI Filter |
Yes |
|
|
| .....Gain range |
+30 to +60 dB |
2 |
Continuously adjustable |
| .....Freq. Response |
30 to 40k Hz |
typ |
Maximum gain, +0, -3 dB |
| .....Input Referred Noise |
-125 dBu |
1 |
Gain: 60 dB, Rs:150 Ω, BW: 20 kHz |
| .....CMRR |
40 dB |
min |
20 Hz to 20 kHz |
| .....THD+NS |
.05 % |
.01 |
Gain: 30 dB, +4 dBu out, 1 kHz, BW: 80 kHz |
| .....Phantom Power |
+15 VDC |
4% |
|
| .....“Mic” Input impedance |
500 Ω |
1% |
Each leg to ground |
| .....Line Pad |
30 dB |
1 |
Defeats phantom power |
| .....“Line” Input impedance |
14.5k Ω |
1% |
Each leg to ground |
| .....Signal Detector Attack |
10 msec |
typ |
Fixed; 10 dB overdrive |
| .....Signal Detector Release |
3 sec |
typ |
Fixed |
| .....Overload Detector |
+16 dBu |
1 |
4 dB before clipping |
| .....Low / High Cut Filters |
100 Hz, 7 kHz |
5 |
Selectable In/Out |
| .....Paging Zone Level |
Off to 0 dB |
|
|
| .....Page Limiter: Threshold |
-20 to +20 dBu |
typ |
Continuously adjustable |
| ..........Attack Time |
20 msec |
typ |
For a 10 dB step; fixed |
| ..........Release Time |
250 msec |
typ |
For a 10 dB step; fixed |
| ..........Ratio |
15:1 |
typ |
Soft knee |
| PROGRAM INPUTS |
All controls duplicated for each input |
| .....Number of Inputs |
Four |
|
Stereo |
| .....Input Type |
Unbalanced |
|
RCA connector |
| .....Input Level Adjust |
Off to 0 dB |
|
|
| .....Freq. Response |
10 Hz to 50 kHz |
typ |
+0, -3 dB |
| .....Input Impedance |
10k Ω |
20 |
|
| .....Priority Program Input Release Time Range |
5 to 20 sec |
typ |
On rear; factory set to 15 seconds |
| ..........Attack Time |
50 msec |
typ |
For a 20 dB step; fixed |
| OUTPUTS |
Balanced Euroblock connector |
| .....Zone Out Gain: Program In |
16 dB |
1 |
100 kΩ load |
| ..........From Page Inputs |
6 dB |
1 |
|
| .....Expand Out Gain: Zone |
16 dB |
1 |
100 kΩ load |
| ..........From Page or Program In |
6 dB |
1 |
|
| .....Freq. Response |
10 Hz to 40 kHz |
typ |
+0, -3 dB |
| .....S/N |
84 dBr |
min |
re +4 dBu; BW: 20 Hz-20 kHz |
| .....THD+N |
.1 % |
max |
+4 dBu, 1 kHz, BW: 80 kHz |
| .....Crosstalk |
-75 dB |
max |
1 kHz, Rs: 25 O, (L/R) |
| .....Output Impedance |
100 Ω |
1% |
Each leg |
| .....Zone Maximum Output |
20 dBu |
typ |
RL: 600Ω |
| .....Expand Maximum Output |
24 dBu |
typ |
RL: 2 kΩ |
| .....Signal Present |
-20 dBu |
typ |
Maximum |
| .....Overload Detector |
+16 dBu |
typ |
4 dB before clipping |
| .....Ducker: Depth Range |
-50 to -6 dB |
typ |
Continuously adjustable |
| ..........Ramped Release |
10 sec |
typ |
To full output level |
| .....Limiter: Threshold Range |
-20 to +20 dBu |
typ |
Continuously adjustable |
| .........Attack Time |
20 msec |
typ |
For a 10 dB step; Fixed |
| .........Release Time |
250 msec |
typ |
For a 10 dB step; Fixed |
| .........Ratio |
15:1 |
typ |
Soft knee |
| EQUALIZER |
±12 dB |
.5 |
Boost / Cut |
| ......ISO Center Freq. |
1-1/3 octave |
typ |
|
| UNIT: Maximum Power |
12 W |
|
|
| .....Universal Voltage |
100-240 VAC |
|
50/60 Hz |
| .....Agency Listing |
UL/cUL/CE |
|
|
| .....Construction |
All Steel |
|
|
| .....Size |
1.75"H x 19"W x 8.5"D |
1U (4.4 cm x 48.3 cm x 21.6 cm) |
| .....Weight |
5 lb |
|
(2.3 kg) |
| Shipping Size |
4.5" x 20.3" x 13.75" |
(11.5 cm x 52 cm x 35 cm) |
| .....Weight |
9 lb |
|
(4.1 kg) |
| Note: 0 dBu = 0.775 Vrms |
