User manual
Lectrosonics SSM Micro Belt-Pack Wireless Transmitter

User Manual for Lectrosonics SSM Micro Belt-Pack Wireless Transmitter with VT500 Lavalier Mic Kit

• Product category: Wireless Transmitters Lectrosonics
• Brand: Lectrosonics
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Lectrosonics Wireless Transmitters

Product description

• Lectrosonics SSM Digital Hybrid Wireless Miniature Transmitter (B1: 537.600 to 614.375 MHz) The SSM from Lectrosonics is a miniature Digital Hybrid Wireless Transmitter with selectable frequencies across a maximum tuning range of 76.7 MHz and has selectable 25 or 50 mW RF output power. It can be used in applications where concealment in costuming is required or any other production such as for live stage, theater, houses of worship, reality TV, and more. The SSM features selectable frequencies in 100 kHz or 25 kHz steps yielding a total of 3,072 available frequencies across three standard frequency blocks. Its lithium-ion battery provides power and sits in a stainless-steel battery door that latches closed and cannot be jarred open accidentally. The servo bias input that is built into the transmitter accepts mic or line level signals and uses gain adjustments in 1 dB steps. The LED indicators on the membrane keypad allow you to monitor precise gain adjustments and settings. A built-in limiter in the preamp, handles signal peaks over 30 dB. This provides you with the maximum signal to noise ratio and minimum distortion for input, but still provides protection against input overloads. The SSM is compatible with earlier analog Lectrosonics receivers IFB, and some other receivers, from manufacturers that utilize the DSP emulation mode, which is selectable in the LCD menu. The SSM transmitter housing is constructed of machined aluminum and has a hard, black electroless nickel finish called ebENi.
  • The SSM transmitter tunes across a range of over 76 MHz. This tuning range covers three standard Lectrosonics frequency blocks
  • The transmitter operates from a 3.7V rechargeable battery that will provide about four hours of operation per charge
  • The factory-supplied battery charger provides a folding NEMA 2-prong plug, and will operate from 100-240 VAC sources. The LED glows red during charging and turns green when the battery is fully charged
  • The LCD is a numeric-type Liquid Crystal Display with screens for adjusting output power, frequency, audio level, low frequency audio roll-off, and various modes and options
  • The antenna is a flexible whip made of galvanized steel, permanently attached to the transmitter to prevent damage from heavy use. The IR port is capped with a translucent dome material to broaden the reception angle. The input jack is a rugged 3-pin LEMO connector with a threaded locking sleeve
  • An infrared sync port on the SSM allows for quick setup with compatible receiver systems. A micro-B USB port makes it possible for firmware updates in the field as advanced features are added in the future
  • The SSM responds to remote commands for frequency, audio level, sleep modes, and other settings from the RM remote unit or 3rd party smartphone apps
• Voice Technologies VT500 Omnidirectional Lavalier Condenser Microphone (Black, LEMO 3-Pin Connector) The black Voice Technologies VT500 (LEMO 3-Pin Connector) is a durable omnidirectional lavalier condenser microphone optimized for speech reproduction in theater, broadcast, television, and video production. The omnidirectional polar pattern picks up sound from all directions and its 40 Hz to 20 kHz frequency response has a slight high-frequency boost to enhance vocal clarity.The injection-molded body is shockproof and protected from RF interference. The flexible 5’ cable provides isolation from noise caused by material rubbing against it. The included windscreen reduces wind noise and the supplied clips enable versatile mounting configurations. The VT500 includes a waterproof carrying case.
  Connector
  • LEMO 3-pin connector for Sennheiser SK series transmitters
  Compatibility
  • Works with Sennheiser SK Series, 2000 Series, Lectrosonics SSM, Audio Ltd. miniTX (En2), Audio Ltd. miniTX (2040), and Audio Ltd. 1010 Digital body-pack transmitters
  Wide Flat Frequency Response
  • The lavalier features a wide, flat frequency response for transparent signal reproduction
  Omnidirectional Polar Pattern
  • The omnidirectional pattern provides pick up from all around the microphone's capsule
  RF Suppression Filter
  • Radio-frequency noise is suppressed via an internal RF filter
  Flexible Mounting Options
  • A variety of mounting clips are included for versatility in attachment methods

• SSM Digital Hybrid Wireless Miniature Transmitter (B1: 537.600 to 614.375 MHz) tfusrbedax
• Removable Belt Clip
• 3.7V Lithium-Ion Battery Pack
• Battery Charger
• Limited 1-Year Warranty

• Voice Technologies - VT500 Omnidirectional Lavalier Condenser Microphone (Black, LEMO 3-Pin Connector)

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Technical parameters

• Lectrosonics SSM Digital Hybrid Wireless Miniature Transmitter (B1: 537.600 to 614.375 MHz)

  Operating Frequency	B1: 537.600 to 614.375 MHz
  Frequency Selection Steps	Selectable; 100 kHz steps or 25 kHz
  RF Power Output	Switchable; 25 or 50 mW
  Pilot Tone	25 to 32 kHz; 5 kHz deviation (Digital Hybrid mode)
  Frequency Stability	± 0.002%
  Deviation	± 75 kHz max. (Digital Hybrid mode)
  Spurious Radiation	60 dB below carrier
  Equivalent Input Noise	-120 dBV, A-weighted
  Input Level	Nominal 2 to 300 mV, before limiting Greater than 1 V maximum, with limiting
  Input Impedance	Mic: 300 or 4.5 kOhms; selectable Line: Greater than 100 kOhms
  Input Limiter	DSP controlled, dual envelope "soft" limiter with greater than 30 dB range
  Gain Control Range	44 dB; digital control
  Modulation Indicators	Dual bicolor LEDs indicate modulation of -20, -10, 0 and +10 dB referenced to full modulation

  Frequency Response	35 Hz to 20 kHz (+/-1 dB)
  Low Frequency Roll-Off	-12 dB/octave; 70 Hz
  Total Harmonic Distortion (THD)	0.2% (typical)
  Signal to Noise Ratio	At Receiver Output: SmartNR Off: No limiting 103.5, w/limiting 108.0 SmartNR Normal: No limiting 107.0, w/limiting 111.5 SmartNR Full: No limiting 108.5, w/limiting 113.0 Note: The dual envelope "soft" limiter provides the handling of transients using variable attack and release time constants. Once activated, the limiter compresses 30+ dB of transmitter input range into 4.5 dB of receiver output range, thus reducing the measured figure for SNR without limiting by 4.5 dB
  Controls	Side-panel membrane switches with LCD interface for power on/off and all setup and configuration controls Responds to remote commands from smartphones with 3rd party app.
  Audio Input Jack	LEMO 00 series 3-pin
  Antenna	Galvanized steel, flexible wire
  Batteries	Lithium-ion 3.7 V 1000 mAH NP50 battery pack
  Battery Life	6 hours per charge
  Emission Standard	180KF3E
  Dimensions (L x W x H)	2.3 x 1.5 x 0.56" (58.4 x 38 x 14.2 mm)
  Weight	2.3 oz (65.2 g) including lithium battery pack

  Box Dimensions (LxWxH)	9.8 x 7.9 x 3.0"

• Voice Technologies VT500 Omnidirectional Lavalier Condenser Microphone (Black, LEMO 3-Pin Connector)

  Transducer	Electret Condenser
  Polar Pattern	Omnidirectional
  Frequency Response	40 Hz to 20 kHz
  Signal-to-Noise Ratio	26 dBA weighted
  Maximum Input Sound Level	118 dB
  Sensitivity	-59 dB ±3 dB re 1 V/microbar (11.22 mV/Pa)
  Power Requirements	1.3 V (0.9 to 20 V)
  Current Drain	25 µA
  Output Impedance	3 kOhms
  Output Connector	LEMO 3-pin
  Pad	No
  Low Frequency Roll-Off	No
  Cable Length	5' / 1.5 m
  Cable Diameter	0.1" / 1.5 mm
  Dimensions (H x W x D)	0.5 x 0.3 x 0.1" / 13.0 x 7.0 x 3.5 mm
  Weight	0.25 oz / 7 g

  Box Dimensions (LxWxH)	5.1 x 3.5 x 1.8"

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