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Unika 4711064410198, Руководство пользователя

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PRO

 

248

USER MANUAL

Index

GENERAL PRECAUTION BEFORE USE
PRODUCT OVERVIEW
CAUTION 
PARAMETER TEST CONDITIONS
FEATURES
APPEARANCE PARTS & FUNCTIONS
ISO TRANSFORMER SCHEMATIC
PULSE TRANSFORMER SCHEMATIC
INPUT PAD ATTENUATION
POWER SUPPLY
ELIMINATING GROUND LOOP NOISE
CONNECTION GUIDE
SPECIFICATIONS

6F, No.168, Xin-Hu 2nd Rd.

Nei-Hu District, Taipei City. 11494.

Taiwan, R

.

O.C.

　　

+886 2 27933017

　　

+886 2 27928264

　　

[email protected]

UNiKA Electronic Co., Ltd.

w w w . u n i k a p r o . c o m

PRO

 

SERIES

 

AUDIO

 

INTERFACE

DESIGN & MADE IN TAIWAN

DUAL ACTIVE DIRECT BOX 

Содержание 4711064410198

Страница 1: ...PULSE TRANSFORMER SCHEMATIC INPUT PAD ATTENUATION POWER SUPPLY ELIMINATING GROUND LOOP NOISE CONNECTION GUIDE SPECIFICATIONS 6F No 168 Xin Hu 2nd Rd Nei Hu District Taipei City 11494 Taiwan R O C 886...

Страница 2: ...PRO 248 uses 48V phantom power instead of the traditional 9V dry cell battery so users can use it on the mixer or external phantom power supply Power is supplied to PRO 248 the power supply circuit an...

Страница 3: ...10E isolation transformer Use British OEP PT 4 1 1 audio pulse transformer in phantom power circuit 48V status indicator on the upper cover The input socket uses a pair of TRS jacks Use a pair of TRS...

Страница 4: ...to turn on 48V phantom power supply for PRO 248 proper working after connecting to the mixer 48V phantom power indicator When CH 1 or CH 2 receive 48V phantom power the indicator will be shinning the...

Страница 5: ...NSFORMER SCHEMATIC 1 5 10 6 Screen Secondary Cooper foil Core Secondary Primary Primary PULSE TRANSFORMER SCHEMATIC UNiKA PROTM EI30A10E OEP PT 4 3 layers of thermo setting adhesive polyester tape bet...

Страница 6: ...alanced isolation transformer has solved the potential difference leakage problem When the system causes a ground loop due to poor wiring the noise can be eliminated through the GND LIFT button The GN...

Страница 7: ...n 2 Hot pin 3 Cold pin The unbalanced connection pin 2 is hot pin 3 is shield paralleled with pin 1 Output from musical instrument to INPUT Output via THRU OUT to musical instrument amplifiers 1 2 3 1...

Страница 8: ...ut GND LIFT switch Shared push button Input impedance 260K 0dB 50K 20dB Output impedance 50 Max input level before clipping 10dB Max Output level 10dB Frequency response 20Hz 20KHz 0 05 0 5dB S N rati...

Страница 9: ...entioned above The results of testing in this report apply only to the product system which was tested Other similar equipment will not necessarily produce the same results due to production tolerance...

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