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Related Manuals for AudioPressBox APB-448 SB
Summary of Contents for AudioPressBox APB-448 SB
- Page 1 APB-448 SB Press Conference Audio Distribution Amplifier Owner’s manual...
- Page 2 • If the power cord or plug becomes frayed or damaged, or if there is a sudden loss of sound during use of the device, or if any unusual smells or smoke should appear to be caused by it, immediately turn off the power switch, disconnect the electric plug from Do not open • Do not open the device or attempt to disassemble the internal parts or modify them in any the outlet, and have the device inspected by qualified AudioPressBox service personnel. way. The device contains no user-serviceable parts. If it should appear to be malfunctioning, • If this device or the AC power adaptor should be dropped or damaged, immediately turn discontinue use immediately and have it inspected by qualified AudioPressBox service off the power switch, disconnect the electric plug from the outlet, and have the device personnel. inspected by qualified AudioPressBox service personnel. Always follow the basic precautions listed below to avoid the possibility of physical injury to you or others, or damage to the device or other property.
- Page 3 Use only the adaptor included with this Be sure to unplug the adaptor from the outlet To avoid generating unwanted noise, make AudioPressBox. Use of a different adaptor may when not using AudioPressBox, or when there sure there is 50 cm or more between the result in equipment damage, overheating, or fire.
- Page 4 Dear customer, Thank you for purchasing AudioPressBox® APB-448 SB, the most sophisticated press conference distribution amplifier. Signal from four lectern’s microphones or line inputs (i.e. mixing console) is distributed to independent microphone/line outputs used by multiple journalists, TV Camera operators, audio recorders and reporters at the same time. No more hassle with the multiple microphones on the table or disturbing late-coming reporters. With AudioPressBox® you are set in a minute with providing the perfect signal to every reporter! APB-448 SB Unpacking your AudioPressBox® Your AudioPressBox® comes to you packaged in the transfer box with the filling material in used to avoid any damage caused by transport. In the package, you should find: Power supply with mains cable AudioPressBox® This manual Please be careful while unpacking all the components from original packaging. Using your AudioPressBox® Using every AudioPressBox® model is simple and it can be presented in 4 simple steps: Plug your microphone in Set your levels Connect your outputs / extenders Start using your AudioPressBox® by providing perfectly processed signal to every recipient, who connects his device into the output section.
- Page 5 APB-448 SB - Front panel (Input section) Output Signal GR[dB] Signal GR[dB] Signal GR[dB] Signal GR[dB] - 12 - Clip Clip Clip Clip - 6 - - 0 - - -6 - APB-448SB - -12 - - -24 - Volume +48V COMP +48V COMP +48V COMP +48V COMP - -48 -...
- Page 6 Test 1kHz sine signal oscillator on. After recipients set the levels in their recording devices, 18) Power ON indicator 8) PFL button you should switch this function OFF. When compressor When AudioPressBox® is turned on, this indicator lights up. To check your levels only for one input, push this button switch is set to ON, output signal level won’t exceed this and you can see the level of output for corresponding maximum output level.
- Page 7 APB-448 SB - Rear panel DC 24V 20) Power supply connector 21) XLR connectors for output extenders Plug the mains cable to AudioPressBox® here. With these connectors you can connect extenders (APB-024 R-EX, APB-008 OW, APB-008 IW, APB-P112SB) to provide outputs to reporters...
- Page 8 APB-448 SB - Rear panel Line Line Line Line Line Line Line Line Line Line Line Line APB-448SB Out A Balanced Isolated Outputs Line Line Line Line Line Line Line Line Line Line Line Line Mic Level -20dBu Line Level +6dBu Line Line Line Line Line Line...
- Page 9 Get your AudioPressBox® operational: Plug mains cable to connector of the AudioPressBox® (20). Turn AudioPressBox® on by switching Power switch (19) ON. Plug your microphone into input XLR connector (1). If you are using condenser microphone, switch Phantom power (2) ON. Switch Comp (7) ON Speak to the microphones and adjust the Input gain (5) level to get visual confirmation on microphone signal level indicator (9) as you speak, this indicator will light up continuously. Set routing path for each microphone (11) If you want to hear your output signal, plug your headphones (with 6.3mm TRS connector) to headphone connector (16) and adjust monitoring level (17) to listen to the output. Recipients can plug their recording devices to specified outputs in the extenders. 10. You are ready to go! Good to know: What are compressor and limiter? These elements automatically control your signal and provide the best signal condition for every output. You will get perfect signal without clipping or distortion. You can switch this element on or off for each input depending your needs. What is the signal generator for? A signal generator, also called a test signal generator is an electronic device designed to produce sine signal - frequency of 1kHz, which can help to set your levels correctly.
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Page 10: Specifications
Specifications Audio Press Box APB-448SB Type 4 in 48 Groups Input section Inputs Input connectors Balanced, XLR Input Gain LINE +22/+62 dB -4/+36 dB Max. input level Limiter ON Limiter OFF MIC: -10/-30dBu MIC: -2/-42dBu LINE: +36/-4dBu LINE: +24/-16dBu Phantom Voltage Input Impedance MIC: 2,4 kOhm LINE: 3,5 kOhm... -
Page 11: Mic Input
Controls Input section: Output section: 26dB PAD, Input gain, Phantom, Oscillator, Output level for Bus A and High-pass filter, Compressor, PFL, Bus B, AFL for Bus A and Bus B, routing switch Phones level, Power, Output PAD Indicators Input section: Output section: Input Clip, Phantom power, Input level, Output level for Bus A and Bus B, Oscillator, Power, Battery status... -
Page 12: Block Diagram
Block diagram ... - Page 13 | web: www.audiopressbox.com MediaTech Central Europe, a.s., Drienova 34, 821 02 Bratislava, Slovak Republic (EU) Tel: +421 2 4341 7777 | Fax: +421 2 4342 7777...
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