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Содержание fet 80R (i)

Страница 1: ... without causing any negative operational results For connection af NEUMANN fet 80 R microphones to unbalanced inputs there are the following possibilities 1 Microphone and power supply may be operated without any alterations even into unbalanced or Center tap grounded inputs if a high quality cable transformer 1 l turns ratio of the AT 8 1 i type is inserted into the modulation line Since there a...

Страница 2: ...balanced configuration of Neumann microphone Outputs Fiq 2 Switchcroft A3M I DIN L 152t 1 f 2 Fiq 3 Unbalanced connections 1 Wire heretofore connected to pin 2 remains connected to pin 2 now modulation alone 2 Wire heretofore connected to pin 3 is to be resoldered to pin 1 without removing the wire already connected there 3 Remove the Phantom powering resistors 2 x 6 8 kohm 4 Move the wire previou...

Страница 3: ...N 45594 Type L The IC 3 IC 4 KT 1 tiicrophone Cables require no changes Conversion of the N 452 i BS 945 i etc Power Supplies L8V 4 6k8 J Switchcraft A3F 1 6k8 T I 1 x t I ov T 1 i A3M 3 ov 2 w Modulation l OV Schirm L Shield i Fig 4 11 121 11 131 2 1 Remove and discard the 6 8 kohm resistor soldered to pin 2 2 Remove and discard the wire heretofore connected to pin 3 output side 3 Strap pin 1 and...

Страница 4: ...out modulation voltages beyond those permis sable for the AT 8 l i transformer then you may block the 48 Vdt phan tom power from your input through the use of blocking capacitors Switchcroft iz3L dbfF 6k8 6k8 I I 2 2 6k8 6k8 1 1 2x 2x L8V L8V lOOp163V lOOp163V T T I Fig 6 DIN L152L 1 3 11 2 3 Pin numbers in parentheses refer to microphones equipped with connectors according to DIN 41524 Binder or ...

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