Digital 9000
| 99
Cleaning and maintaining the Digital 9000 system
Specifications
System characteristics
Frequency ranges
470 to 798 MHz, expandable to 934 MHz,
divided into 24 MHz booster frequency ranges (see page 35)
Transmission method
digital modulation
“
HD
” mode: without audio data compression
“
LR
” mode: SeDAC (Sennheiser Digital Audio Codec)
Audio frequency response
30 Hz to 20 kHz (3 dB) with SK 9000 line-in
60 Hz to 20 kHz (3 dB) with SK 9000 mic
80 Hz to 20 kHz (3 dB) with SKM 9000
Dynamic range
“
HD
” mode: 112 dB(A)
“
LR
” mode: 101 dB(A)
Latency
Analog Audio Out: 3.2 ms
Digital Audio Out: 3 ms (AES-EBU)
THD
“
HD
” mode:< 0.01% (at 1 kHz)
“
LR
” mode: < 0.03% (at 1 kHz)
EM 9046 DRX
TX variant
Booster variant A1–A8
A1–B8
470–798 MHz
(expandable to 934 MHz)
A1–A4
470–558 MHz
A1
470–494 MHz
A2
494–518 MHz
A3
510–534 MHz
A4
534–558 MHz
A5–A8
550–638 MHz
A5
550–574 MHz
A6
574–598 MHz
A7
590–614 MHz
A8
614–638 MHz
B1–B4
630–718 MHz
B1
630–654 MHz
B2
654–678 MHz
B3
670–694 MHz
B4
694–718 MHz
B5–B8
710–798 MHz
B5
710–734 MHz
B6
734–758 MHz
B7
750–774 MHz
B8
774–798 MHz