Technical
Data - System
| Transmission
format |
Sennheiser
proprietary digital audio transmission |
| Frequency
response |
20
Hz - 15 kHz |
| Audio
dynamic range |
>
120 dB |
| Distortion |
<
0.2% |
| RF
carrier frequency |
900
- 925 MHz |
| Number
of selectable frequencies |
4 |
| RF
output power |
0.5
mW |
| Transmission
range |
280
ft. (line of sight) / 80-130 ft. (adverse conditions) |
| FFC
approval |
Part
15 approved - no user-license required |
Technical
Data - SK 1090 & SKM 1090 Digital Transmitters
| A/D
conversion |
16-bit
linear, 64 times oversampling |
| Input
impedance |
1
M ohms |
| Connectors |
1/8"
unbalanced (SK 1090) |
| Controls |
Power
on/off, mute, channel select, sensitivity |
| Dimensions |
4.125
x 2.5 x 1 inches (SK 1090)
9.65 x 1.5 inches (SKM 1090 |
| Battery
life |
Linear
power supply, 5 hours (9V) |
Technical
Data - EM 1090 Digital Receiver
| D/A
conversion |
16-bit
linear |
| Output |
+/-
3.5 V (unbalanced: 1.6 k ohm, balanced: 150 ohm) |
| Connectors |
Transformerless
balanced XLR, 1/4" unbalanced |
| Indicators |
Power
on/off, battery life, data received, RF |
| Controls |
Power
on/off, channel select, AF level |
| Dimensions |
8.38
x 5.7 x 1.75 inches |
| Power
supply |
12
V DC |
|
