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BRUEL & KJAER 2672, Руководство пользователя

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Technical

Documen ation

t

Brüel&Kjær

B

K

7/6-'89

BE 1461 –11

Sound Quality Conditioning Amplifier
Type 2672

User Manual

Содержание 2672

Страница 1: ...Technical Documen ation t Br el Kj r B K 7 6 89 BE 1461 11 Sound Quality Conditioning Amplifier Type 2672 User Manual...

Страница 2: ......

Страница 3: ...September 1995 BE 1461 11 Br el Kj r Sound Quality Conditioning Amplifier Type 2672 User Manual Sound Quality Conditioning Amplifier Type 2672...

Страница 4: ...nts given in the User Manual Frame Chassis terminal Protective conductor terminal Hazardous voltage Explosion Hazard The amplifier is not designed to be used in potentially explosive environments It s...

Страница 5: ...inary 3 1 3 1 Environmental 3 2 Temperature 3 2 Electromagnetic Compatibility 3 2 3 2 Power Supply 3 2 Internal Battery 3 2 External Power Supply 3 2 Fuse 3 3 4 Using Type 2672 4 1 4 1 Use with a DAT...

Страница 6: ...Sound Quality Conditioning Amplifier Type 2672 User Manual Br el Kj r 0 4 Contents 4 6 Filters 4 5 High pass 4 5 DFCF 4 5 4 7 Output 4 6 5 Specifications 5 1 6 Service Repair 6 1 Index...

Страница 7: ...Sound Quality Conditioning Amplifier Type 2672 User Manual BE 1461 11 1 1 Chapter 1 Introduction...

Страница 8: ...from flat and needs to be normal ised This can be achieved in the conditioning amplifier which has a selectable Diffuse Field Correction Filter that is matched to diffuse field characteristics of Soun...

Страница 9: ...ystem These can be assembled as a single unit which can be placed in the seat of for example a car or aeroplane no seat modifications are necessary See the separate Product Data for Type 4100 D and UA...

Страница 10: ...Sound Quality Conditioning Amplifier Type 2672 User Manual Br el Kj r 1 4...

Страница 11: ...Sound Quality Conditioning Amplifier Type 2672 User Manual BE 1461 11 2 1 Chapter 2 Controls and Connectors...

Страница 12: ...r turning the left and right hand Dif fuse Field Correction Filters On or Off On The filters compensate for the diffuse field characteristics of Head and Torso Simulator Type 4100 D and give a flat fr...

Страница 13: ...Input 5 Not connected 6 Power supply positive 7 Power supply negative ground Casing Connected to instrument chassis Fig 2 2 Pin designations for 7 pin LEMO Preamp connector external view Dir CCLD Two...

Страница 14: ...kHz CIC signal is supplied by the amplifier s internal generator CIC Ext BNC connector for input of CIC signal from an external generator Two BNC connectors for output of the conditioned signals to f...

Страница 15: ...plifier Type 2672 User Manual BE 1461 11 2 5 Ext 12 20 V DC 2 pin connection for use with 12 20 V 400 mA external power supply Pin designations are given in Fig 2 4 Fig 2 4 Pin designations for extern...

Страница 16: ...Sound Quality Conditioning Amplifier Type 2672 User Manual Br el Kj r 2 6...

Страница 17: ...Sound Quality Conditioning Amplifier Type 2672 User Manual BE 1461 11 3 1 Chapter 3 Preliminary...

Страница 18: ...geable battery External 12 V battery External mains AC DC transformer 12 20 V DC supply 3 2 1 Internal Battery Type 2672 uses one SONY NP 1B battery Br el Kj r order no WQ 1129 When fully charged it g...

Страница 19: ...xt 12 20 V DC connector on the back panel of the amplifier see Fig 2 4 Note If you want to use an external supply other than WB 1375 a or WB 1376 a you will need Cable WL 1192 3 2 3 Fuse Type 2672 has...

Страница 20: ...Sound Quality Conditioning Amplifier Type 2672 User Manual Br el Kj r 3 4...

Страница 21: ...Sound Quality Conditioning Amplifier Type 2672 User Manual BE 1461 11 4 1 Chapter 4 Using Type 2672...

Страница 22: ...side panel of Type 2672 2 Use the 4 mm screws supplied with Type 2672 to mount the guard frame on the amplifier 3 Unscrew the four screws in the side panel of the DAT recorder the four screws closest...

Страница 23: ...chnique is a method for remotely verifying the condition of the entire measurement set up including the microphone This is a great improvement over the traditional insert voltage calibration method wh...

Страница 24: ...the CIC generator and note the output level from Type 2672 Later you can check the calibration simply by measuring these output levels again and comparing them with the original values One of the adva...

Страница 25: ...use Field Correction Filter for use when making binaural recording using HATS Type 4100 or 4100 D This diffuse field response see Fig 4 2 of HATS Type 4100 D is given on the cali bration chart provide...

Страница 26: ...response and correction are given in the User Manual for Types 4100 and 4100 D The filter matches Falcon range microphones Types 4189 and 4190 4 7 Output Signals are output from Type 2672 via BNC con...

Страница 27: ...Sound Quality Conditioning Amplifier Type 2672 User Manual BE 1461 11 5 1 Chapter 5 Specifications...

Страница 28: ...eable Battery Life 5 hours continuous operation Battery Charge Time internal 14 hours trickle charge Ext DC Supply 12 20 V DC 500 mA Mains Supply Via external mains adaptor 100 127 V AC WB 1375a 200 2...

Страница 29: ...t occurs which impairs its correct function or operating safety then immediately disconnect it from its power source and remove it from the instrument set up to secure against unintended operation and...

Страница 30: ...Sound Quality Conditioning Amplifier Type 2672 User Manual Br el Kj r 6 2...

Страница 31: ...ter 2 2 D DAT recorder 4 2 DFCF 2 2 4 5 Diffuse field correction filter 2 2 4 5 response 4 5 Dir CCLD 2 3 Direct input 2 3 E Electromagnetic compatibility 3 2 Equalization 4 5 Ext 12 18 V DC 2 5 Exter...

Страница 32: ...r 2 2 Power external supply 2 5 on off 2 4 supply 3 2 Preamp 2 3 Preamplifier input 2 3 R Recorder 4 2 Repair 6 1 S Safety considerations 0 2 Select 2 3 Selection of input 4 3 Sensitivity adjust 2 2 S...

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