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Lectrosonics DBSM

Lectrosonics

DBSM -DIgital Transmitter

Digital Transcorder

  • RF Power selections at 10, 25 and 50 mW
  • Ultra-lightweight, corrosion resistant housing
  • OLED interface with lockout option
  • Servo Bias input circuitry
  • 2-way IR (infrared) port for fast setup
  • Alternate use as recorder on internal microSDHC memory card at 48 kHz, 24 bits
  • Timecode jam-sync capability with
  • High density mode for ultra-tight channel spacing
From €1,926.53

Prices plus VAT

Frequency range:

Quantity:

  • A14768

Features

The DBSM and DBSMD 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 lavaliere 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 OLED, 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 DBSM and DBSMD use the same accessories as the SMWB and SMDWB transmitters, specifically belt clips, pouches, and battery eliminators.

The DBSM and DBSMD 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 lavaliere 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 OLED, 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 DBSM and DBSMD use the same accessories as the SMWB and SMDWB transmitters, specifically belt clips, pouches, and battery eliminators.

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: 2 (HDM only), 10, 25 or 50 mW
  • DBSMD 2 (HDM only), 10, 25 or 50 mW
  • Compatibility Modes: DBSM/DBSMD: 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 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: D2 Mode
  • 20Hz to 16KHz, +/- 3dB: High Density (HDM) Mode
  • Dynamic range: 112 dB (A)
  • Distortion: < 0.035%

Antenna

  • Flexible, unbreakable steel cable

Battery

  •  AA (+1.5 VDC), disposable, Lithium recommended

Battery Life w/ AA

  Lithium Alkaline NiMH
DBSM-A1B1 (1AA)  2 mw - 8:55
10 mw - 7:25
25 mw - 6:35
50 mw - 4:45
 2 mw - 2:15
10 mw - 2:00
25 mw - 1:25
50 mw - 1:10
 2 mw -5:25
10 mw - 4:55
25 mw - 4:25
50 mw - 4:20
 DBSMD-A1B1 (2AA)  2 mw - 18:20
10 mw - 16:35
25 mw - 15:10
50 mw - 12:10
 2 mw - 7:45
10 mw - 7:10
25 mw - 6:20
50 mw - 4:30
 2 mw - 10:55
10 mw - 10:30
25 mw -9:20
50 mw -7:25

Weight w/ battery(s)

  • DBSM-A1B1: 3.2 oz. (90.719 grams)
  • DBSMD-A1B1: 4.8 oz. (136.078 grams)

Overall Dimensions:

DBSM-A1B1 w/o microphone:

  • 2.366 x 1.954 x 0.642 inches
  •  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 (D2 mode)
  • DBSM-A1B1/DBSMD-A1B1: 110KG1E (HD mode)

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 - 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:
  • Dynamic range: 112 dB (A)
  • Distortion: < 0.035%

Operating temperature range

  • Celsius: -20 to 50
  • Fahrenheit: -5 to 122

Specifications subject to change without notice.

  • 1x AA battery
  • 1x AMM-19 antenna
  • 1x AMM-22 antenna
  • 1x SMWBBCUPSL belt clip
  • 1x PSMWB pouch with swivel clip
  • 1x SMKITTA5 Connector kit with boot
  • 1x 55010 - 16 GB microSD card
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