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Summary of Contents for APART MA247
- Page 1 MANUAL MA247 MA247MR...
- Page 2 Do not drive the inputs with a signal level higher than that which is required to drive equipment to full output. Do not run the output of any amplifier back into another input. In case of malfunction, this device should be serviced by qualified service personnel only. WWW.APART-AUDIO.COM...
- Page 3 Features cial and industrial applications, either as a standalone unit or as the central device in an expandable, is activated by a switch or vox circuitry. Its signal goes directly to the main amplifier, bypassing any level control accessible at the front of the unit. An attenuator next to the input sets its level. Micro¬phone ing amplifier with integrated preamplifier.
- Page 4 This is NOT a clip indicator, but an indication of the “automatic gain control”. Set your max together. WWW.APART-AUDIO.COM...
- Page 5 bypassed when the emergency input is activated. mains AC supply. Please note that this switch does not switch the amplifier off when operating from a Important information If the amplifier is overloaded, it will result in overheating. Check your total speaker load with an wattmeter for this purpose.
- Page 6 On the left side of the front panel you will find a digital tuner and the MP3 player. Operation of the tuner and MP3 player will be explained later. Please note that you must use a HF ground isolation transformer when connecting the FM antenna input to an active antenna or cable network! WWW.APART-AUDIO.COM...
- Page 7 Tuner operation Press for about a second to search for the next radio station up the frequency band. tion every 3 seconds. After a full scan, the tuner resumes to normal operation. You can interrupt the scan cycle by pressing the scan button during the memory scan. internal memory.
- Page 8 After programming all steps, press play to start playing the program. In order to clear the program, press program or stop to clear the program steps. Programs cannot be stored or recalled after cycling the power. WWW.APART-AUDIO.COM...
- Page 9 Notes about media compatibility For maximum compatibility, avoid media containing other than the supported file types. When a medium is inserted while another medium is playing, playback will be interrupted. Not all media are compatible with the media player. Media must be formatted in FAT32 file system only. All memory locations on the media must be accessible.
- Page 10 Set the internal jumper marked ‘S3’ The jumper and level adjustment are located inside the unit on In order to reach them you will need to open the unit. WWW.APART-AUDIO.COM...
- Page 11 Rear panel 8. Emergency input level: this is the only level control on the emergency input. The emergency signal activate the chime. mic and overrides these settings. mic and overrides these settings. any other network. Connection details: mic/line pushbutton to the line position. transformer when connected to a cable network or active FM antenna! 18.
- Page 12 Please note that the wire bridge MUST be present in standalone applications in order to hear paging messages. other cases, leave the signal bridge in place or there will be no output from the power amplifier. You WWW.APART-AUDIO.COM...
- Page 13 can use a Y connector here to feed the line signal to an external device. the left and/or right input connector. 28. Aux 1: aux 1 stereo input, stereo signals are internally mixed to mono. Monosignals can be applied to the left and/or right input connector.
- Page 14 Signal input: balanced input on euroblock. Unbalanced mic/line signal connection For use with unbalanced mics or line level signals, connect the source GND to both GND This can be useful when connecting the receiver output from a wireless microphone. WWW.APART-AUDIO.COM...
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Page 15: Priority Levels
Paging switch connector: for selecting paging group 1 or paging group 2. MIC1 will always override the paging group preselection. Paging group 1: connect GND to PG1 using a switch. Do not apply external voltages to these contacts. Paging group 2: connect GND to PG2 using a switch. Do not apply external voltages to these contacts. euroblock connector. - Page 16 WWW.APART-AUDIO.COM...
- Page 17 This will bypass the external volume controls, allowing paging messages to be heard at When third party external volume controllers are in use, please check the supply current and polarity of the priority inputs! SETUP MA247(MR) MA247(MR) MA247(MR) MA247(MR)
- Page 18 WWW.APART-AUDIO.COM...
- Page 19 T6,3AL250V (inside mains connector on back panel) 24VDC Emergency supply fuse T20AL250V (inside the unit) Priority output fuse 0,6A resettable autofuse Weight net MA247 - MA247MR 13,6 kg - 13,7 kg Shipping weight MA247 - MA247MR 15,5 kg – 15,6 kg Dimensions 430(w) x 88 (h) x 360 (d) - 2 HE, 19”...
- Page 20 40dB Mic/line 2-4 balanced inputs on euroblock Sensitivity mic/line variable 1,5mV to 200mV Impedance S/N mic/line Phantom power 18 VDC Frequency response 80Hz - 15kHz (+1/-3dB) speech eq Muting activated by contact transformer coupled balanced input on euroblock Sensitivity WWW.APART-AUDIO.COM...
- Page 21 Impedance Frequency response 100Hz - 20 kHz (+1/-3dB) Muting Activated by contact or vox (selectable inside the unit). Emergency has highest priority and mutes all other inputs by more than 40 dB. The signal is also present on the preamp out. Aux 1 - 2 unbalanced stereo input on RCA Sensitivity...
- Page 22 WWW.APART-AUDIO.COM...
- Page 23 APart-Audio general warranty conditions APart-Audio warrants this product to be free of defects in material and workmanship for a period of one* year for parts and for a period of one* year for labor from the date of original end-user purchase. This warranty is valid only for the original end-user and cannot be transferred.
- Page 24 Company names, product names, and names of formats etc. are the trademarks or registered trademarks of their respective owners. © 2011 APart-Audio specifications subject to change without notice. WWW.APART-AUDIO.COM...
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