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User manual for Aphex 120B 1x4 Distribution Amplifier 120B
- Manufacturer: Aphex
- 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 Aphex
- Settings and expert assistance
- Contact Aphex service
- Troubleshooting
- Warranty information
- Price: 383 USD
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We recommend checking out our discussion threads on the Aphex 120B 1x4 Distribution Amplifier 120B,
which address similar problems with connecting and setting up Distribution Amplifiers Aphex.
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User manual for the Aphex 120B 1x4 Distribution Amplifier 120B
The user manual for the Aphex 120B 1x4 Distribution Amplifier 120B provides
necessary instructions for the proper use of the product Pro Audio - Installation Sound - Distribution Amplifiers.
The Aphex 120B 1x4 Distribution Amplifier is designed for multi-zone installed sound applications such as for restaurants, bars, or multiple rooms in a home. The unit features a single high impedance input and four electronically servo-balanced low impedance outputs. Built with transformerless circuits the amplifiers provide a flat frequency response without overshoot or ringing and can be used for distributing both audio and SMPTE time code.
Each output has its own volume controlled amplifier. The low impedance of the outputs allows for long wire runs and high capacitive loads without loss of stability or frequency response. Balancing the outputs with servos and grounding the unused pin allows each output to be used single-ended without changing the gain setting. For I/O the unit utilizes one 3-pin XLR female input, one 3-pin XLR male thru output for connecting to another device, and four 3-pin XLR male outputs for each amplifier channel.
The input circuit utilizes common-mode rejection to preserve headroom, and the high impedance allows for bridging the input signal with minimal loading. This allows you to drive multiple amplifiers simultaneously from the same source. The front panel of the chassis features the four volume controls and an LED indicator light to show signal presence and clipping. The amplifier can be rack mounted as one unit or in pairs using the available rack mount kit sold separately.
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If you own a Aphex distribution amplifiers and have a user manual in electronic form,
you can upload it to this website using the link on the right side of the screen.
You can upload and download the manual for the Aphex 120B 1x4 Distribution Amplifier 120B in the following formats:
- *.pdf, *.doc, *.txt, *.jpg - Other formats are unfortunately not supported.
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Additional parameters of the Aphex 120B 1x4 Distribution Amplifier 120B:
| I/O | 1 x 3-pin female XLR input
1 x 3-pin male XLR thru
4 x 3-pin male XLR output | | Frequency Response | 5 to 100,000 Hz | | THD | 0.002% at +4 dBm
0.005% at +20 dBm | | IMD | 0.002% at +10 dBm | | Hum and Noise | Better than 90 dBm at unity gain | | Input Impedance | 100 kΩ, balanced | | Maximum Input Level | +25 dBm | | CMRR | >60 dB | | Output Impedance | 65 Ω | | Maximum Output Level | +25 dBm into 600 Ω balanced, +21 dBm unbalanced | | Output Gain | +15 dB | | Channel Isolation | >70 dB | | Connectors | XLR inputs and outputs | | Slew Rate | 13 V/uS | | AC Power | 100, 120, 220, or 240 VAC at 50 to 60 Hz | | Dimensions (H x W x D) | 1.75 x 8.25 x 7.25" (4.45 x 21.00 x 18.40 cm) | | Weight | 3.5 lb (1.6 kg) | | Package Weight | 4.7 lb | | Box Dimensions (LxWxH) | 12.2 x 9.2 x 4.3" | |
The user manual for the Aphex 120B 1x4 Distribution Amplifier 120B 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 Aphex users keep a unique electronic library
for Aphex distribution amplifierss,
where you can use our link to download the user manual for the Aphex 120B 1x4 Distribution Amplifier 120B.
The user manual lists all of the functions of the Aphex 120B 1x4 Distribution Amplifier 120B,
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 Aphex 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 Aphex 120B 1x4 Distribution Amplifier 120B. User manuals are also
available on the Aphex website under Pro Audio - Installation Sound - Distribution Amplifiers.
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