Instruction Manual

Digital Hybrid Wireless Belt-Pack Transmitters
Rio Rancho, NM
25
Operating frequencies:
DBSM(D)-A1B1: Band A1-B1: 470.100 - 607.950
DBSMD(D)/E01-A1B1: Band A1-B1: 470.100 - 614.375
NOTE: It’s the user’s responsibility to select the
approved frequencies for the region where the
transmitter is operating
Channel Spacing: 25 kHz
RF Power output: DBSM-A1B1: 10, 25 or 50 mW
DBSMD-A1B1: 10, 25 or 50 mW
Compatibility Modes: DBSM-A1B1/DBSMD-A1B1: Encrypted digital
and high density
Modulation Type: 8 PSK
Frequency stability: ± 0.002%
Spurious radiation: Compliant with ETSI EN 300 422-1
Equivalent input noise: –125 dBV, A-weighted
Input level:
If set for dynamic mic: 0.5 mV to 50 mV before limiting
Greater than 1 V with limiting
If set for electret lavaliere mic: 1.7 uA to 170 uA before limiting
Greater than 5000 uA (5 mA) with limiting
Line level input: 17 mV to 1.7 V before limiting
Greater than 50 V with limiting
Input impedance:
Dynamic mic: 300 Ohms
Electret lavaliere: Input is virtual ground with servo adjusted
constant current bias
Line level: 2.7 k ohms
Input limiter: Soft limiter, 30 dB range
Bias voltages: Fixed 5 V at up to 5 mA
Selectable 2 V or 4 V servo bias for any electret
lavaliere
Gain control range: -7 to 44 dB; panel mounted membrane switches
Modulation indicators: Dual bicolor LEDs indicate modulation
–20, -10, 0, +10 dB referenced to full modulation
Controls: Control panel w/ LCD and 4 membrane switches
Low frequency roll-off: Adjustable from 20 to 150 Hz
Input
Type: Analog mic/line level compatible;
servo bias preamp for 2V and 4V lavaliere
microphones
Input level: • Dynamic mic: 0.5 mV to 50 mV
• Electret mic: Nominal 2 mV to 300 mV
• Line level: 17 mV to 1.7 V
Input connector: TA5M 5-pin male
Audio Performance
Frequency response: 20Hz to 20kHz, +/- 1dB:
Encrypted Digital Mode.
20Hz to 11.3KHz, +/- 3dB:
High Density (HD) Mode (CH)
Dynamic range: 110 dB (A), before limiting
Distortion: < 0.035%
Antenna: Flexible, unbreakable steel cable.
Battery: AA, disposable, Lithium recommended
Battery Life w/ AA:
DBSM-A1B1 (1 AA): 4.4hrs
DBSMD-A1B1 (2 AA): 11.2 hrs
Weight w/ battery(s): DBSM-A1B1: 3.2 oz. (90.719 grams)
DBSMD-A1B1: 4.8 oz. (136.078 grams)
Overall Dimensions: DBSM-A1B1: 2.366 x 1.954 x 0.642 inches;
(without microphone) 60.096 x 49.632 x 16.307 mm
DBSMD-A1B1: 2.366 x 2.475 x 0.642 inches;
60.096 x 62.865 x 16.307 mm
Emission Designator: DBSM-A1B1/DBSMD-A1B1: 170KG1E
Recorder
Storage media: microSDHC memory card
File format: .wav files (BWF)
A/D converter: 24-bit
Sampling rate: 44.1 kHz
Recording modes/Bit rate:
• HD mono mode: 24 bit - 144 kbytes/s
Input
Type: Analog mic/line level compatible;
servo bias preamp for 2V and 4V lavaliere
microphones
Input level: • Dynamic mic: 0.5 mV to 50 mV
• Electret mic: Nominal 2 mV to 300 mV
• Line level: 17 mV to 1.7 V
Input connector: TA5M 5-pin male
Audio Performance
Frequency response: 20Hz to 20kHz, +/- 1dB:
Encrypted Digital Mode.
20Hz to 11.3KHz, +/- 3dB:
High Density (HD) Mode (CH)
Dynamic range: 110 dB (A), before limiting
Distortion: < 0.035%
Operating temperature range
Celsius: -20 to 50
Fahrenheit: -5 to 122
Specifications subject to change without notice.
Available Recording Time
Using a microSDHC* memory card, the approximate
recording times are as follows. The actual time may
vary slightly from the values listed in the tables.
(HD mono mode)
Size Hrs:Min
8GB 11:12
16GB 23:00
32GB 46:07
*microSDHC Logo is a trademark of SD-3C, LLC
Specifications