Figure 4b: Connector Panel

1 - Paging Microphone Input – This is the Connection for a Paging Microphone. It is designed for a balanced low impedance microphone audio input.

2 - Phantom Power Switch – When the Switch is pushed in ON, the SMS1 sends Phantom Power to the Paging Microphone. Phantom Power is required if you are using a condenser microphone. Leave the switch in the OFF, outward, position if the mic works in this position. If using a Condenser Microphone for Paging, this Switch will need to be set IN. Note: The JBL Z-M1 Soundzone Paging Microphone does not require phantom power.

3 - Unbalanced Input – These RCA Input Jacks are for the Input of an Unbalanced Stereo or Mono Signal, such as that from a Compact Disc Player. Do NOT run an unbalanced cable longer than 16 ft (5 m) into this input. Doing so will pick up noise and result in degraded fidelity. NOTE: Do Not connect a source to this Input if using either the Balanced Input (4) or the Speaker Level Input (5).

4 - Balanced Input – These Stereo Line Level Inputs are designed for use with Balanced Audio signal on each input, such as that coming from a Stereo Mixer or a Separate Soundzone Business Music Controller. NOTE: Do Not connect a source to this Input if using either the Unbalanced Input (3), or the Speaker Level Input (5).

5 - Speaker Level Inputs – These Inputs are designed for use with audio signal coming from Amplifiers or other Speakers in Distributed Systems. The Distributed Line Input accommodates Signal from a 70V or 100V Distribution Line. The Low-Z Input accommodates Signal from a Low-Impedance Type Amplifier. This input does not loaddown the amplifier. It samples the speaker level audio signal and drops it down to line level into the SMS1 controller. More information on getting the most flexibility from these input options is covered in the INSTALLATION Section of this Manual. NOTE: Do Not connect a source to this Input if using either the Unbalanced Input (3), or the Balanced Input (4).

6 - Remote Volume Jack – This Category-5 type jack is for connecting the SMS Volume control to a Remote Wallplate (ZR-V). The wallplate attenuates the volume from what is set on the SMS1 volume control.

7 - Speaker EQ Switch – The normal setting for use with SMS1 satellite speakers is with this

switch in its outward ON position labeled normal. The pushed-in OFF position disengages the EQ Circuitry for use with loudspeakers other than the SMS1-SAT’s are used as Satellites.

8 - Satellite Outputs – These outputs are for the Right and Left Satellites. They are designed to send signal to devices rated at 8 Ohms or higher.

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JBL SMS1 owner manual Connector Panel
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SMS1 specifications

The JBL SMS1 is a state-of-the-art sound system processor designed specifically for professional sound applications. It excels in offering unparalleled sound quality and advanced processing capabilities, making it a go-to choice for audio engineers and sound professionals alike. With its compact design, the SMS1 is highly versatile, suitable for both live sound scenarios and fixed installations.

One of the standout features of the JBL SMS1 is its ability to perform precise room tuning. This is essential for optimizing sound in various environments, whether it be a concert hall, auditorium, or nightclub. The SMS1 utilizes advanced digital signal processing (DSP) technology, allowing users to tailor the sound to fit the acoustics of any space. This functionality ensures that the audio experience remains consistent and high-quality, regardless of the listening environment.

The SMS1 is equipped with multiple inputs and outputs, allowing for flexible connections to various audio sources and speakers. This includes balanced XLR connectors for professional-grade signal transmission, providing low-noise and high-quality audio signals. Additionally, the unit supports a broad range of sample rates, enabling compatibility with a variety of audio formats and devices.

Integration with other equipment is seamless, thanks to the SMS1’s MIDI capability and networked control options. Users can easily control multiple SMS1 units and other compatible devices through a centralized interface, streamlining the overall sound management process. This is particularly beneficial in live settings where performance dynamics can change quickly.

Another noteworthy characteristic of the JBL SMS1 is its user-friendly interface. The device features an intuitive LED display, making navigation through settings and adjustments straightforward for operators, even under pressure during live events. The advanced processing algorithms ensure that the audio output is not only powerful but also crystal clear, enhancing the overall listening experience.

Finally, the durability of the JBL SMS1 is built to withstand the rigors of professional use. Its robust construction ensures reliable performance, whether in a touring setup or a permanent installation. With the combination of cutting-edge technology, user-centric design, and exceptional sound quality, the JBL SMS1 is an indispensable tool for audio professionals looking to elevate their sound systems to new heights.
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