User manual for RDL STM-DA3 - 1 x 3 Microphone Distribution Amplifier STM-DA3
- Manufacturer: RDL
- Basic description and contents of package
- Product classification: Pro Audio - Installation Sound - Distribution Amplifiers
- Safety instructions
- Startup and operation of the distribution amplifiers
- Tips for setting up your RDL
- Settings and expert assistance
- Contact RDL service
- Warranty information
- Price: 131 USD
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User manual for the RDL STM-DA3 - 1 x 3 Microphone Distribution Amplifier STM-DA3
The user manual for the RDL STM-DA3 - 1 x 3 Microphone Distribution Amplifier STM-DA3 provides
necessary instructions for the proper use of the product Pro Audio - Installation Sound - Distribution Amplifiers.
The STM-DA3 from RDL is a compact and portable microphone distribution amplifier designed for use in broadcast and recording applications. Part of RDL's "stick-on" series, the STM-DA3 is perfect for use in a studio or out in the field and comes with adhesive for permanent or removable mounting. Built on the electrical architecture of RDL's mic preamps, the STM-DA3 provides excellent audio quality with very low self-noise, suitable for any professional application.
Featuring a 1.2 k ohm balanced input, the STM-DA3 accepts a wide variety of mic input levels without loading low-impedance microphones. Phantom power can be supplied when the supply voltage is connected to the "PHM" screw terminal. A multi-turn trimmer allows you to adjust the gain to match microphone levels.
The three balanced outputs provide full audio isolation. A dual LED VU meter shows green over a 15dB range and goes to red when the optimum operating level is exceeded. These professional features tucked neatly into such a portable package make the STM-DA3 a must when you need to feed one microphone into 3 mic inputs.
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Additional parameters of the RDL STM-DA3 - 1 x 3 Microphone Distribution Amplifier STM-DA3:
| Input || 1 x Screw Terminal (1.2 k ohms Balanced) |
| Outputs || 3 x Screw Terminals (-45 dBu, 150 ohm Balanced) |
| Gain Range || 17 dB (Adjustable, 25-Turn Trimmer) |
| Frequency Response || 30Hz - 20kHz (+/- 0.2dB) |
| THD + N || < 0.1% |
| IMD || < 0.1% |
| Noise || < 80 dB (Below -50 dBu Output, -50 dBu Input) |
| Headroom || > 20 dB (-50 dBu Output, -45 dBu Input) |
| Common Mode Rejection Ratio || > 60 dB (100Hz - 5kHz) |
| Output Isolation || > 135 dB (Balanced Audio) |
> 150 dB (Common Mode)
| Power Requirements || 24 - 33 VDC @ 40 mA (Ground-Referenced) |
| Dimensions || Not Specified by Manufacturer |
| Weight || Not Specified by Manufacturer |
| Package Weight || 0.2 lb |
| Box Dimensions (LxWxH) || 3.9 x 2.1 x 2.0" |
The user manual for the RDL STM-DA3 - 1 x 3 Microphone Distribution Amplifier STM-DA3 can be downloaded in .pdf
format if it did not come with your new distribution amplifiers, although the seller is
required to supply one. It is also quite common that customers throw out
the user manual with the box, or put the CD away somewhere and then can’t find it.
That’s why we and other RDL users keep a unique electronic library
for RDL distribution amplifierss,
where you can use our link to download the user manual for the RDL STM-DA3 - 1 x 3 Microphone Distribution Amplifier STM-DA3.
The user manual lists all of the functions of the RDL STM-DA3 - 1 x 3 Microphone Distribution Amplifier STM-DA3,
all the basic and advanced features and tells you how to use the distribution amplifiers.
The manual also provides troubleshooting for common problems. Even greater
detail is provided by the service manual, which is not typically shipped with the product,
but which can often be downloaded from RDL service.
If you want to help expand our database, you can upload a link to this website
to download a user manual or service manual, ideally in .pdf format. These pages
are created by you – users of the RDL STM-DA3 - 1 x 3 Microphone Distribution Amplifier STM-DA3. User manuals are also
available on the RDL website under Pro Audio - Installation Sound - Distribution Amplifiers.
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