AEQ BC-300 User Manual
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AEQ BC-300 User Manual

Broadcast mixing console
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AEQ BC-300
Broadcast Mixing Console
Mezclador de Audio para Radiodifusión
USER' S MANUAL / MANUAL DE USUARIO
ED. 11/01
A.E.Q., S.A. manufacturer of this equipment is a Registered Company
with UNE EN - ISO-9001 by AENOR ER-080/1/96 standard. / A.E.Q., S.A. fabricante de este
equipo, es " Empresa Registrada" de acuerdo con la norma UNE EN-ISO-9001 por AENOR con
el nº:ER-080/1/96
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  • Page 1 AEQ BC-300 Broadcast Mixing Console Mezclador de Audio para Radiodifusión USER’ S MANUAL / MANUAL DE USUARIO ED. 11/01 A.E.Q., S.A. manufacturer of this equipment is a Registered Company with UNE EN - ISO-9001 by AENOR ER-080/1/96 standard. / A.E.Q., S.A. fabricante de este equipo, es “...
  • Page 2 AEQ BC-300 Broadcast Mixing Console USER’ S MANUAL ED. 11/01 A.E.Q., S.A. manufacturer of this equipment is a Registered Company with UNE EN - ISO - 9001 by AENOR ER-080/1/96 standard...
  • Page 3 5.2.2. DESCRIPTION OF CONTROLS AND CONNECTIONS 5.3. BC-378 OUTPUT, TELEPHONE HYBRID AND MONITOR CONTROL MODULE 5.3.1. FUNCTIONAL DESCRIPTION 5.3.2. DESCRIPTION OF CONTROLS AND CONNECTIONS 5.4. CHASSIS 5.4.1. FUNCTIONAL DESCRIPTION 5.4.2. DESCRIPTION OF CONTROLS AND CONNECTIONS AEQ BC-300 Broadcast Mixing Console...

  • Page 4: Block Diagram

    7.2.3. BC-378 RECORDING OUTPUTS 7.2.4. BC-378 MONITOR CONTROL OUTPUTS 7.2.5. BC-378 MONITOR STUDIO OUTPUTS 7.2.6. BC-378 HEADPHONE OUTPUT 7.3. SIGNALLING 7.4. POWER SUPPLY 7.4.1. ELECTRICAL POWER SUPPLY 7.5. DIMENSIONS AND WEIGHT 7.5.1. DIMENSIONS 7.5.2. WEIGHT AEQ BC-300 Broadcast Mixing Console...
  • Page 5 Failure to comply with the instructions highlighted in this manual could affect the performance and function of the equipment. AEQ accept no responsibility for damage or injury caused by incorrect use or manupulation of the equipment.

  • Page 6: Warranty

    Therefore proceed with absolute caution when manipulating this unit. The AEQ BC-300 mixing console does not require preliminary adjustment, after programming has been carried-out as described in this manual either by the user or the manufacturer, no additional operations whatsoever are necessary to obtain optimum performance.

  • Page 7: Equipment Power Supply

    2.1.2. Voltage selection The AEQ BC-300 mixer is designed to operate with a 110/220 V AC power supply. Set the VOLTAGE SELECTOR (See Chapter 5.4.1. of this manual) to the appropriate mains network supply voltage.

  • Page 8: Audio Connections

    Power Phantom power Power Return connected to Balanced Mono contact 1. Screen Positive Polarity Channel Negative Power and Power Power A-B Return * Note. The equipment does NOT dispose of “Phantom Microphone Power Supply. AEQ BC-300 Broadcast Mixing Console...
  • Page 9 The high quality of the components used in the construction guarantees an extended useful life of the equipment. Below are detailed some of the characteristics that make of the mixer AEQ BC-300 an excellent equipment for its utilisation in small Radio Broadcast networks and other applications.

  • Page 10: Description Of Modules

    (PO type) (5-6) C, for each input channel, for the activation of the 24 V. Power Supply signal in the MODULE BC-378, for the circuits of Monitor Mute and signalling. (see chapter 6.2. of this manual). AEQ BC-300 Broadcast Mixing Console...
  • Page 11 10.- CHANNEL ON Switch Channel 2 and Send. 11.- CUE/PFL Switch. 12.- Switch for route/send to PHONE. 13.- Sliding Fader for Input/Output Gain to MASTER, AUX. 1 and 2 y REC. 1, 2, and 3. CONNECTORS AEQ BC-300 Broadcast Mixing Console...
  • Page 12 (PO type) for the remote control of external equipment (17) REMOTE 3 and (18) REMOTE 4. These controls will only operate with the two last channels of each MODULE BC-322 and their operation depends on the activation of the switch CHANNEL ON of the corresponding channel. AEQ BC-300 Broadcast Mixing Console...
  • Page 13 19.- CHANNEL ON and Send Switch. 20.- CUE/PFL Switch. 21.- Switch for route/send to PHONE. 22.- Sliding Fader for Input/Output Gain to MASTER, AUX. 1 and 2 y REC. 1, 2, and 3. 23.- Input A/B Switch. CONNECTORS AEQ BC-300 Broadcast Mixing Console...
  • Page 14 “ Adjusting the internal hybrid.” In addition, there is a “ C adj” potentiometer (27) on the front panel to make hot adjustments to the phone line impedance. This means that small adjustments can be made if a certain lack of adaptation to the phone line is detected in the return audio. AEQ BC-300 Broadcast Mixing Console...

  • Page 15: External Hybrid

    When you push “ PHONE” on the front panel (50), you enable the circuit that sends talkback to the phone send. The same as in the previous case, this is a button. As AEQ BC-300 Broadcast Mixing Console...
  • Page 16 C1 and C3. The signaling works in the same way as the monitor muting, i.e., it is activated and deactivated by acting on the “ CHANNEL ON” switches whose rear contacts (5) and (6) are connected to connector (19) of the BC378 module. AEQ BC-300 Broadcast Mixing Console...
  • Page 17 Connector C1 BC-378 (53- The lamp goes on when a microphone Connector C3 BC-378 (53- is closed, and goes off when it is opened. 5.3.2. Description of controls and connectors AEQ BC-300 Broadcast Mixing Console...
  • Page 18 48.- Master/Cue Control Room Monitoring Switch 49.- Talkback Button to Studio Headphone output 50.- Talkback Button to PHONE output 51.- Talkback Microphone 52.- Control Room Headphone Output 53.- C1-C2-C3 Studio Signaling 14 13 15 18 AEQ BC-300 Broadcast Mixing Console...

  • Page 19: Voltage Selector

    It also has the connections for the modules that may make up the Mixer silk-screened on the back. BACK FRONT 1.- POWER ON switch. 2.- Electrical Power input connecter with fuse holder. 3.- VOLTAGE SELECTOR. 4.- Electrical Signaling Circuit fuse holder. 5.- LED VU-Meter. 6.- CUE Speakers. AEQ BC-300 Broadcast Mixing Console...
  • Page 20 6.1. Programming and internal adjustments. The AEQ BC-300 Mixer has a series of internal adjustments and programming jumpers (P.J.) that let you change some of the factory-set functions. These adjustments and programming jumpers should only be accessed by staff qualified for this type of operations, as the adjustment mechanisms and P.J.

  • Page 21: Technical Specifications

    7. TECHNICAL SPECIFICATIONS Block Diagram. AEQ BC-300 Broadcast Mixing Console...
  • Page 22 Input range: - 30 dBv / +20 dBv (pre-adjusted in factory) 7.1.5. Input/Output TEL./4W BC-378. Connector: RJ-11 or “ Hartman” Connector Block. Input impedance: 600 Ohm Input range: - 40 dBv / - 6 dBv AEQ BC-300 Broadcast Mixing Console...
  • Page 23 “ Hartman” Connector Block. Output impedance: 8 Ohms. Maximum output level 10+10 W. RMS. 7.2.6. Headphones Output BC-378 Connector: 1/4” Stereo Jack and “ Hartman” Connector Block. Output impedance: 22 Ohms Maximum output level: +15 dBv AEQ BC-300 Broadcast Mixing Console...

  • Page 24: Power Supply

    7.4. POWER SUPPLY Input voltage: 110/220 V AC +6%,- 10%. Consumption: 70 VA. 7.5. DIMENSIONS AND WEIGHT 7.5.1. Dimensions Width : 600 mm. Height : 175 mm. Depth : 355 mm. 7.5.2. Weight Approximately 10 Kilograms. AEQ BC-300 Broadcast Mixing Console...

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