STL

Studio Transmitter Links

Marti STL transmitters and companion receivers form a high-quality, point-to-point radio communications link.

Marti gives you a choice in uncompressed analog STLs. We continue to offer discrete systems utilizing separate transmitters and receivers for left and right channels, as well as composite stereo configurations. Companion subcarrier generator/demodulator pairs are also available.

Available in a wide range of band models, complex systems can be built from basic transmitter/receiver pairs having multiple relays (repeaters), bi-directional (full duplex), and automatic switching standby features.

STL Transmitters

Marti STL transmitters provide the value and features demanded by today’s broadcasters.

Each transmitter is equipped with a wideband power amplifier to produce a radiated RF output power that is adjustable from the front panel up to 30 watts in most bands. Unlike older STL models, the power amplifier combined with a wideband synthesizer means no RF tuning is required.

The internal gain stages are pre-matched for optimum performance and stability across the entire band.

Marti STL transmitters operate on any AC voltage from 110-120 VAC or 220-240 VAC, and feature external 12-15 VDC or 15-30 VDC supply capability and external transmit control.

STL 20C

Frequency-agile Studio-Transmitter Link

The STL 20C is our latest composite STL transmitter. This transmitter replaces the STL 15C. There are a number of changes that were made to make this the price-value leader in composite STL products. The STL 20C is synthesized, frequency agile and utilizes a new RF amplifier, as well as a cooling fan. More power, reliable, cooler and easier to tune – that’s the new STL 20C.

STL 20M

Single-channel Studio-Transmitter Link

The STL 20M is our latest mono STL transmitter. This transmitter replaces the STL 10. There are a number of changes that were made to make this the price-value leader in mono STL products. The STL 20M is synthesized, has a new RF amplifier, as well as a cooling fan. More power, reliable, cooler, and easier to tune – that’s the new STL 20M. Two of these units can be used to build a discrete stereo STL system.

GTX

Coming very soon

The Gtx is the newest STL in the Marti line and is coming soon. With frequency agility, the new Gtx will be able to handle frequency groupings from 215Mhz all the way up to 2.5Ghz! And, with the optional AES card, you will be able to keep your audio in the digital domain. Stay tuned for more details coming soon.

STL Receivers

As part of a paired Marti STL system, the SR 20C and SR 20M receivers exemplify performance and reliability.

Each Marti STL receiver is offered in a wide range of band models.

Complex systems can be built from basic transmitter/receiver pairs by integrating multiple relay (repeater), bi-directional (full duplex) and automatic switching hot standby features.

Marti STL receivers are equipped with a multimeter and meter select switch for the monitoring of signal level, subcarrier level, power supply voltage and program output level parameters.

SR 20C

STL Receiver

The SR 20C is the companion receiver to the STL 20C transmitter. This unit is fully synthesized and can be operated in any frequency within the specified band of operation. The SR 20C is frequency agile and can be programmed easily to any operating frequency in the band of interest.

SR 20M

STL Receiver

The SR 20M is the companion receiver to the STL 20M transmitter. This unit is fully synthesized and can be operated in any frequency within the specified band of operation. The STL 20M is a single frequency receiver, but is fully synthesized for great performance.

GRX

Coming very soon

The Grx receiver is the companion to the Gtx transmitter.  Covering the same frequency bands from 215 Mhz up to 2.5Ghz.  Composite audio, L/R and optional digital output.  Coming soon

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