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User Manual for RDL D-HA1A Format-A Stereo Headphone Amplifier Click to enlarge the picture
Contents of the user manual for the RDL D-HA1A Format-A Stereo Headphone Amplifier
- Product category: Modules & Cards RDL
- Brand: RDL
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for RDL Modules & Cards
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User manual for the RDL D-HA1A Format-A Stereo Headphone Amplifier contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any RDL product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official RDL user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a RDL product will considerably shorten its lifespan!
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Product description The white D-HA1A Format-A Stereo Headphone Amplifier from RDL is a two pair receiver and audio headphone amplifier compatible with RDL Format-A twisted pair products. Each unit receives stereo audio and 24 VDC power through a rear-panel RJ45 jack fed from a Format-A sender. The left and right audio signals received on pairs B and C of the twisted pair cable are amplified and fed to the left and right channels of the output 3.5mm mini-jack.
The front panel provides the headphone output jack and a single-turn user volume control. There are no illuminated indicators that could be distracting in dark locations, such as a hotel room. The audio input circuits feature very high common mode rejection and a high quality stereo headphone amplifier for superior audio fidelity and low-noise performance.
The amplifier is equipped with two Format-A RJ45 jacks. Either jack may be used as the input. The other RJ45 may be used to connect an additional amplifier or other Format-A receiver. Installation is simple and economical. A standard twisted pair cable is used to connect a Format A sender to the amplifier.
The unit features automatic fused power, hum rejection, low noise, and low distortion for designers and installers looking to work with twisted pair products. The D-HA1A is ideally suited to guest room installations with bedside and restroom listening stations. The input is fully compatible with all RDL Format-A senders - Headphone amplifier with user level control
- Output on standard mini jack
- Mounts in a wall or cabinet
- Input and power connection on RJ45
- Connects to Format-A sender using twisted-pair cable
- Powered from RDL twisted pair Format-A sender
- RJ45 Loop-thru for connecting additional modules
- Protected by automatically resetting fuse
- Decora design with all steel panel and rear enclosure
UPC: 813721015747 In the Box RDL D-HA1A Format-A Stereo Headphone Amplifier (White) Limited 3-Year Warranty Table of Contents
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Technical parametersRDL D-HA1A Specs | Input | RDL TP Format-A | | Input Connections | RJ45
Format-A Signal Pairs Used (2): B, C
Format-A Output: RJ45 (loop-through) | | Output | Stereo, 25 mW per channel (into 100 ohms) | | Frequency Response | 10 Hz to 40 kHz (± 1 dB, into 100 ohms) | | THD + N | < 0.01% (1 kHz, 10 mW) | | Noise | < -90 dB (maximum gain) | | Crosstalk | < -85 dB (1 kHz)
< -70 dB (20 Hz to 20 kHz) | | Power Connections | RJ45 (power provided by Format-A sender) | | Power Requirements | 24 VDC @ 20 mA | | Dimensions | 1.55 x 1.72 x 4.11 (3.94 x 4.37 x 10.44 cm) | | | | Package Weight | 3.63 lb | | Box Dimensions (LxWxH) | 4.63 x 2.13 x 0.4" |
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