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Summary of Contents for AudioPressBox APB-224 C
- Page 1 APB-224 C 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 the AudioPressBox® APB-224 C. A professional portable active press box (Audio Splitter) suitable for both indoor and outdoor press conferences. It features 2 MIC/Line Inputs (A,A+B,B) and 24 Line/Mic Outputs. Each Output is independet transformer balanced and isolated. What is more, it can also be used for bilingual conferences as it features 2 separate channels A and B. Each input can be routed to channel A or channel B or both at the same time. There is a bus A with 12 Line/MIC outputs and bus B with 12 Line/MIC outputs. The APB-224 C also includes a rechargable AccuPack so it can run on APB-224 C its own up to 10 hours. All of this placed in a waterproof, heavy duty Nanuk case. Features: +48V If you are about to use condenser microphone, turn If you are using microphone as an input, this button 26dB Phantom power switch ON to feed your microphone should be set to “Off” position. If you are using input with 24/48V. If you use dynamic microphone or micro- from the mixing console or CD player, please set this phone with his own power, you can switch this OFF. switch to “On” position. Routing switch Each microphone could be routed to 2 separated groups or to both groups at the same time. This is useful, if you have two (or four) lecterns...
- Page 5 OSC (Oscillator operation switch) Transformer TRANSFORMER To test signal level, which is coming to the outputs, you can switch this Test Individually transformer isolated outputs. 1kHz sine signal oscillator on. After recipients set the levels in their recording devices, you should switch this function OFF. When compressor switch is set to ON, output signal level won’t exceed this maximum output level. Rechargeable batteries LI-ION ACCU Optional Built-in Li-Ion battery pack with microprocessor controlled PACK (10 HRS) battery management, 10 hour working time at full load. No self- discharge and memory effect, always ready to use. Short charging time compared to conventional batteries. The package contains AudioPressBox unit. Power supply. Manual Test report...
- Page 6 APB-224 C Output Signal GR[dB] Signal GR[dB] - 12 - Clip Clip - 6 - - 0 - - -6 - APB-224C - -12 - - -24 - Volume +48V COMP +48V COMP - -48 - DC 24V/1A Charge Battery Power Phones Out to Out to...
- Page 7 17) Power ON indicator If you need to reduce the dynamics of the input signal the lecterns or groups and reporters easily decide which When AudioPressBox® is turned on, this indicator lights up. and/or be sure that the output signal will not be higher group output they want to use. than the nominal output level please switch this button 18) Power switch ON. Function of the compressor and limiter you can see...
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Page 8: Specifications
Specifications Audio Press Box APB-224C Type 2 in 24 out Groups Input section Inputs Input connectors Balanced, XLR Input Gain MIC +22/+62 dB LINE -4/+36 dB Max. input level Limiter ON Limiter OFF Mic: -10/-30dBu Mic: -2/-42dBu Line: +36/-4dBu Line: +24/-16dBu Input Impedance Mic: 2,4 kOhm Line: 3,5 kOhm... -
Page 9: Block Diagram
Block diagram... - Page 10 | web: www.audiopressbox.com MediaTech Central Europe, a.s., Drienova 34, 821 02 Bratislava, Slovak Republic (EU) Tel: +421 2 20 999 700...
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