Lectrosonics SSM Digital Hybrid Wireless Micro Transmitter, A1 470.100 - 537.575 MHz

The SSM is ideal in theatrical or any other production where concealment in costuming is required. In spite of its tiny size, the transmitter offers an extensive feature set and performance on par with all of the Digital Hybrid Wireless® models.

Frequencies are selectable in 100 kHz or 25 kHz steps across a maximum tuning range of 76.7 MHz. This yields a total of 3072 available frequencies across three standard frequency blocks. The tuning range varies in other blocks to meet applicable frequency allocations.

The servo bias input accepts mic or line level signals with a wide range of gain adjustment in 1 dB steps. Accurate LED indications on the keypad allow precise gain adjustments to be made for the maximum signal to noise ratio and minimum distortion. The limiter in the preamp can cleanly handle signal peaks over 30 dB above full modulation, allowing the input gain to be set high enough to achieve the maximum signal to noise ratio, yet provide protection against input overload.

Along with providing peerless audio quality with wide frequency response and dynamic range in Nu Hybrid mode, the technology used in the SSM includes compatibility modes for Lectrosonics Mode 3 and IFB receivers.

Key Features

• Tunable across 3 frequency blocks
• Digital Hybrid Wireless® audio for compandor-free digital quality
• Selectable 25 or 50 mW RF power
• Compatibility modes for use with analog receivers
• 25 or 100 kHz tuning steps
• Wide range input gain control in 1 dB steps
• Quick change Lithium-ion rechargeable battery
• Audio coupled remote control

Technical Specifications

Operating Frequencies
Band A1 470.100 - 537.575
Band B1 537.600 - 607.950
Frequency Selection Steps
Selectable; 100 kHz or 25 kHz
Compatibility Modes
Nu Hybrid, Mode 3, IFB
Pilot tone
25 to 32 kHz; 3.5 kHz deviation (Nu Hybrid mode); ± 50 kHz max. (Digital Hybrid mode)
Frequency Stability
± 0.002%
Operating temp. range
Celsius -20° - 40°
Farenheit -5° - 104°
Spurious radiation
Compliant with ETSI EN 300 422-1 v1.4.2
Equivalent input noise
-120 dBV (A-weighted)
Input level
Nominal 2 mV to 300 mV, before limiting. Greater than 1V maximum, with limiting.
Input impedance
Mic 300 or 4.5 k ohm; selectable
Line greater than 100 k ohm
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
70 Hz to 20 kHz (+/-1dB)
Low frequency roll-off
-12 dB/octave; 70 Hz
THD
0.2% (typical)
Controls
Side panel membrane switches with LCD interface for power on/off and all setup and configuration controls
Audio Input Jack
LEMO 00 Series 3-pin
Antenna
Galvanized steel, flexible wire
Battery
Lithium-ion 3.6 V 1000 mAH LB50 battery pack
Battery Life
6 hours per charge
Weight
2.3 ounces (65.2 grams) including lithium battery pack
Dimensions (housing)
2.3 x 1.5 x .56 in. (58.4 x 38 x 14.2 mm)
Emission Designator
110KF3E
Included Accessories
1 - 26995 Belt Clip
1 - 27079 ANTENNA UP BELT CLIP
1 - 35939 Pouch
1 - 40106-1 Lithium Batteries
1 - 40102 Battery Charger
3 - P1311 USB Port Plug