LECTROSONICS DBSM/E01-A1B1
The DBSM-A1B1 and DBSMD-A1B1 digital transcorders were developed specifically for the needs of the film industry and offer time code jam sync capability. They offer hands free setup and adjustment using audible tones and can be put to sleep to conserve battery power during setup while buried inside costuming, then awakened for normal operation when the production begins. Other features include input gain adjustment in 1 dB increments over a 44 dB range and adjustable low frequency audio roll-off for 3 dB down points at 20, 35, 50, 70, 100, 120 or 150 Hz to control subsonic and very low frequency audio content. The transmitters also offer selectable output power of 10, 25 and 50 mW. A special high-density (HDM) transmit mode at 2 mW allows for ultra-tight channel spacing without concern for frequency coordination.
The input section features the unique Lectrosonics servo bias input circuitry with a standard TA5M type jack for use with electret lavalier mics, dynamic mics or line level signals. A DSP-controlled analog audio limiter is employed ahead of the first mic preamp to protect the entire audio chain from overload. The limiter has a range of more than 30 dB for excellent overload protection and a dual release envelope that makes the limiter acoustically transparent while maintaining low distortion of brief transients and longer duration peaks.
A water resistant control panel with LCD, membrane switches and multi-color LEDs make input gain adjustments, frequency and compatibility mode selection quick and accurate. The battery compartment accepts industry-accepted AA batteries (lithium recommended). The housing is machined from solid aluminum blocks to provide an extremely lightweight and rugged package. A special non-corrosive finish resists salt water exposure and perspiration in extreme environments.
RF-intense multichannel and mobile venues must have a broad selection of frequencies available to alleviate interference problems, especially with the emergence of DTV telecasts. Frequencies are selectable in 25 kHz steps across the broad tuning range of each frequency band. Instead of transmitting, the transmitters may also be used as a stand alone recorder. The industry standard .wav (BWF) file format is compatible with essentially any audio or video editing software.
FEATURES:
- D Squared digital wireless
- selectable output power to maximize
- operating range or battery life
- ultra-lightweight, corrosion resistant housing
- OLED interface with lockout option
- servo bias input circuitry
- IR (infrared) port for fast setup
- alternate use as recorder on internal microSDHC memory card
- timecode jam-sync capability with TCXO for <1 ppm accuracy
- high density mode for ultra-tight channel spacing
OPERATING FREQUENCIES:
- DBSMD(D)/E01-A1B1: 470.100 to 614.375
- channel spacing: 25 kHz
- RF Power output: DBSM: 2 (HDM only), 10, 25 or 50 mW and DBSMD 2 (HDM only), 10, 25 or 50 mW
- compatibility modes: D2 digital with encryption and HDM high density digital with encryption
- 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 and greater than 1 V with limiting
- if set for electret lavalier mic: 1.7 uA to 170 uA before limiting and greater than 5000 uA (5 mA) with limiting
- line level input: 17 mV to 1.7 V before limiting and greater than 50 V with limiting
INPUT IMPEDANCE:
- dynamic mic: 300 Ohms
- electret lavalier: input is virtual ground with servo adjusted constant current bias
- line level: 2.7 kOhms
- 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 lavalier
- 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 lavalier microphones
- input level (dynamic): 0.5 mV to 50 mV
- input level (electret): nominal 2 mV to 300 mV
- line level (line): 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 (+1.5 VDC), disposable, Lithium recommended
BATTERY LIFE DBSM-A1B1 (1 AA):
- Lithium (2mw, 10mw, 25mw, 50mw): 8h55min, 17h25min, 9h35min, 4h45min
- Alkaline (2mw, 10mw, 25mw, 50mw): 2h15min, 2h, 1h25min, 1h10min
- NiMH (2mw, 10mw, 25mw, 50mw): 5h25min, 4h55min, 4h25min, 4h20min
BATTERY LIFE DBSMD-A1B1 (2 AA):
- Lithium (2mw, 10mw, 25mw, 50mw): 18h20min, 16h35min, 15h10, 12h10
- Alkaline (2mw, 10mw, 25mw, 50mw): 7h45min, 7h10min, 6h20m, 4h30min
- NiMH (2mw, 10mw, 25mw, 50mw): 10h55min, 10h30min, 9h20m, 7h25min
GENERAL:
- weight w/ battery(s): DBSM-A1B1 90.719 g and DBSMD-A1B1: 136.078 g
- overall dimensions (without microphone in mm): DBSM-A1B1 60.096 x 49.632 x 16.307 and DBSMD-A1B1 60.096 x 62.865 x 16.307
- 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: 48 kHz
- recording modes/bit rate:
- HD mono mode: 24 bit to 144 kbytes/s
INPUT (RECORDER):
- type: analog mic/line level compatible, servo bias preamp for 2V and 4V lavalier microphones
- input level (dynamic): 0.5 mV to 50 mV
- input level (electret): nominal 2 to 300 mV
- input level (line): 17 mV to 1.7 V
- input connector: TA5M 5-pin male
AUDIO PERFORMANCE (RECORDER):
- frequency response: 20Hz to 20kHz, +/1dB
- dynamic range: 121dB(A)
- distortion: <0.035%
- operating temperature range: -20 to 50°
RECORDING TIME:
- 8GB: 11h10min
- 16GB: 23h00min
- 32GB: 46h10min
| Brand | Lectrosonics |
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