• Lectrosonics - SMQV Digital Hybrid Wireless® Belt-Pack Transmitter

Features

  • Digital Hybrid Wireless™ Technology*
    (U.S. Patent #7,225,135)
  • Variable, selectable power output:
    • SMQV: 50mW, 100mW, 250mW (for X and US units, blocks 470-23)
    • SMQV: 50mW, 100mW (for US units, block 941)
  • Membrane switch control panel with LCD display
  • Wide input dynamic range
  • DSP based pilot-tone signal
  • Circulator/Isolator output stage
  • Splash-proof, machined aluminum housing
  • Non-corrosive, super-hard finish

To meet the demand for both extended operating range and extended battery life, the "V" series SM transmitters offer selectable output power (See specific model data sheets for details). A third selection at 50 mW is provided for some theatrical applications where the system design specifies lower transmitter power.

The input section features the unique 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 before the A-D converter. 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. The limiter recovers quickly from brief transients, with no audible side effects, and also recovers slowly from sustained high levels to keep audio distortion low while preserving short-term dynamics.

Included Accessories

  • 2 - AA Lithium Batteries
  • 1 - Foam Insulating Pads (Part #35924)
  • 1 - Pouch (Part #PSMD)
  • 1 - Mic Connector Kit (Part #SMKITTA5)
  • 1 - Belt Clip (Part #SMDBCSL)
  • 1 - Quick Start Guide
Specifications
Capacity Specifications

Operating frequencies: US Block 470 470.100 - 495.675 Block 19 486.400 - 511.975 Block 20 512.000 - 537.575 Block 21 537.600 - 563.175 Block 22 563.200 - 588.775 Block 23a 588.800 - 607.950

Channel Spacing: Selectable; 25 or 100 kHz

Frequency selection: Control panel mounted membrane switches RF Power output: US, X: Selectable; 50, 100 or 250 mW 941: Selectable, 50 or 100 mW Compatibility Modes: US: Nu Hybrid, Mode 3, IFB X: Digital Hybrid Wireless™ (400 Series), 200 Series, 100 Series, Mode 3 , Mode 6, IFB 941: Nu Hybrid,

IFB Pilot tone: US: 3.5 kHz deviation (in Nu Hybrid Mode) X: 25 to 32 kHz; 5 kHz deviation (in 400 Series Mode) 941: 27 to 32 kHz; 3 kHz deviation (in Nu Hybrid Mode)

Frequency stability: ± 0.002%

Spurious radiation: US: Compliant with ETSI EN 300 422-1 v1.4.2

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: 44 dB; panel mounted membrane switches

Modulation indicators: Dual bicolor LEDs indicate modulation of –20, -10, 0, +10 dB referenced to full modulation.

Controls: Control panel with LCD and four membrane switches.

Low frequency roll-off: Adjustable from 35 to 150 Hz.

Audio Frequency Response: 35 Hz to 20 kHz, +/-1 dB

Signal to Noise Ratio (dB): (Note: the dual envelope “soft” limiter provides exceptionally good handling of transients using variable attack and release time constants. The gradual onset of limiting in the design begins below full modulation, which reduces the measured figure for SNR without limiting by 4.5 dB) SmartNR No Limiting w/Limiting OFF 103.5 108.0 NORMAL 107.0 111.5 FULL 108.5 113.0

Total Harmonic Distortion: 0.2% typical (Nu Hybrid mode)

Audio Input Jack: Switchcraft 5-pin locking (TA5F)

Antenna: Flexible, unbreakable, detachable steel cable.

Batteries: 1.5 Volt AA (Lithium recommended)

Weight with Battery: SMV: 2.7 oz. (75.9 grams) SMQV: 3.7 oz. (105 grams)

Overall Dimensions: SMV: 2.3 x 1.8 x 0.64 inches 58 x 46 x 16 mm SMQV: 2.3 x 2.4 x 0.64 inches 58 x 60 x 16 mm

Emission Designator: US, X: 110KF3E 941: 180KF3E

Lectrosonics - SMQV Digital Hybrid Wireless® Belt-Pack Transmitter

  • $1,714.00


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Tags: Lectro, SMQV