Product
MS SERIES
 
The MS-100 is a professional grade low power FM transmitter operating in the commercial FM band (88.1 - 107.5 MHz). It is intended for indoor (churches, theaters, cinemas, auditoriums, conference halls) or outdoor (business parkings, tourist attractions, talking signs) short range broadcasting in a variety of applications:  hearing assistance, translation, information, sound re-enforcement.  Its outstanding RF and audio performances, ruggedness, reliability and versatility make the MS-100 stand out from conventional hearing assistance systems.
 
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Front view
 
Back view
 
FEATURES

  • User programmable frequency
  • No manual tuning required
  • Works with standard FM receivers
  • Coverage of 150 feet or more with portable FM receiver, 500 feet or more with car radio
  • Hi-Fi audio
  • Adjustable input level with over modulation indicator
  • Selectable bass boost and mono/stereo operation (stereo version only)
  • Choice of 4 audio configurations
  • Stereo 1/4-F audio input connector
  • Choice of fixed antenna or UHF connector
  • FCC part 15 and Industry Canada Bets-1, RSS-210 & RSS-123 certified
  • All steel cabinet
  • 3 years warranty
  • Made in Canada


TECHNICAL SPECIFICATIONS

  • Modulation: FM, 75 kHz deviation
  • Frequency selection: 88.1 - 107.5 MHz
  • RF power: 250 µV/m@3m (FCC Part 15 and IC RSS-210), 100 μV/m@30m (IC BETS-1), 1 mW (IC RSS-123)
  • Load impedance (UHF connector): 50 Ω
  • Spurious rejection: 40 dB min.
  • Frequency response: 20 - 20 kHz (mono models), 20 - 15 kHz (stereo model)
  • Harmonic distortion: 0.3% max.
  • Signal-to-noise ratio: 70 dB min.
  • Stereo separation: 35 dB min., 40 dB typ.
  • Input sensitivity / impedance: -15 dBm to +22 dBm / 5 kΩ (mono unbal.), -13 dBm to +22 dBm / 10 kΩ (stereo unbal.), -10 dBm to + 22 dBm / 600 Ω (bal.), -60 dBm to 0 dBm / 950 Ω (mic.)
  • Power supply: 110/16 VAC @ 300mA
  • Dimensions: 6.3" W x 10.5" D x 1.75" H
  • Weight: 5 lb.


AUDIO CONFIGURATIONS

MODEL

MS-100
MS-100B
MS-100M
MS-100S
 
CONFIGURATION

mono unbalanced
mono balanced
mono mic****
stereo unbalanced
INPUT CONNECTOR

1/4" female stereo*
1/4" female (TRS)**
1/4" female (TRS)**
1/4" female stereo***
 
INPUT LEVEL

-15dBm to +22dBm (line level)
-10dBm to +22dBm (line level)
-60dBm to +0dBm (mic level)
-13dBm to +22dBm (line level)
 
INPUT IMPEDANCE

5 kΩ
600 Ω
950 Ω
10 KΩ
 
* a stereo source will automatically be mixed into a mono signal inside the unit.
** Tip is left channel, Ring is right channel and Sleeve is ground.
*** Tip is positive phase, Ring is negative phase and Sleeve is ground.
**** 15 VDC Phantom power is present on positive (Tip) and negative (Ring) phases.


RF CONFIGURATIONS

MODEL

MS-100 (ANT), MS-100B (ANT), MS-100M (ANT), MS-100S (ANT)

MS-100 (UHF), MS-100B (UHF), MS-100M (UHF), MS-100S (UHF)



OUTPUT

telescopic antenna
UHF female connector (SO-239)
FRONT AND BACK PANEL DESCRIPTION

 
  1. POWER: indicates the transmitter is ON
  2. OVER: indicates that modulation level is exceeding 100 %
  3. INPUT LEVEL: controls the audio input level (modulation)
  4. AC INPUT: connect the AC adaptor (supplied) here
  5. BB (Bass Boost): gives a 6 dB gain boost to the low frequencies (stereo model only)
  6. ST (stereo): enables stereo broadcasting (stereo model only)
  7. FREQUENCY SELECT: transmitting frequency selection
  8. AUDIO INPUTS: connect your audio source here
  9. TRANSMITTING TELESCOPIC ANTENNA
 



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BEWARE OF CONTENT OF THIS WEBSITE: SOURCEFMTRANSMITTER.COM

This website displays false statements regarding the FCC certification / legality of many FM transmitters including our MS-100.  Please be assured that our MS Series of high quality FM transmitters are FCC part 15 certified and perfectly legal to use in the USA.  Furthermore, sourcefmtransmitter.com also advises potential customers not to buy many models of transmitters (including our MS series), under those false statements.  Instead, it emphasizes one or two products, including their own brand which, ironically, is not recommended by many FM transmitters forums.

We sincerely believe that our MS Series of transmitters are the best FCC part 15 FM transmitters in the market, and no other product even comes close in terms of RF performances, sound quality, reliability and longevity.  Yes, they cost more, but they are well worth it.


 
 
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