Unika PRO Series User Manual
Audio interface single active direct box
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- User manual (12 pages) ,
- User manual (8 pages) ,
- User manual (8 pages)
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PRO 148
USER MANUAL
PRO SERIES AUDIO INTERFACE
SINGLE ACTIVE DIRECT BOX
DESIGN & MADE IN TAIWAN
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
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Summary of Contents for Unika PRO Series
- Page 1 USER MANUAL PRO 148 PRO SERIES AUDIO INTERFACE SINGLE ACTIVE DIRECT BOX DESIGN & MADE IN TAIWAN Index GENERAL PRECAUTION BEFORE USE PRODUCT OVERVIEW CAUTION PARAMETER TEST CONDITIONS FEATURES APPEARANCE PARTS & FUNCTIONS ISO TRANSFORMER SCHEMATIC PULSE TRANSFORMER SCHEMATIC INPUT PAD ATTENUATION...
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Page 2: Product Overview
PRO 148 GENERAL PRECAUTION BEFORE USE Thank you for purchasing the UNiKA PRO SERIES AUDIO INTERFACE. Before using, please read this manual carefully and pay attention to every detail that you must pay attention to. If you use a mixer to connect to this interface, please turn off the mixer power and +48V phantom power before connecting, and then turn on the power and phantom power after inserting the signal cables. - Page 3 FEATURES • Power by external +48V phantom power • Built-in UNiKA-PRO EI30A10E isolation transformer • Use British OEP PT-4 1:1 audio pulse transformer in phantom power circuit • +48V status indicator on the upper cover •...
- Page 4 UNiKA User Manual PRO 148 APPEARANCE PARTS & FUNCTIONS ① Signal output: XLR terminal, isolated balanced output of the transformer, need to turn on +48V phantom power supply for PRO 148 proper working after connecting to the mixer. ② Output grounding/floating switch: when the switch is not pressed, the first pin ①...
- Page 5 UNiKA User Manual PRO 148 ISO TRANSFORMER SCHEMATIC UNiKA-PRO EI30A10E Primary Secondary Screen Cooper foil/ Core PULSE TRANSFORMER SCHEMATIC OEP PT-4 3 layers of thermo setting adhesive polyester tape Primary Secondary between windings...
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Page 6: Power Supply
UNiKA User Manual PRO 148 INPUT PAD ATTENUATION The most widely used DI box is to connect electronic musical instruments, sound source of A/V equipment and computers, convert their output signals into balanced signals and then extend the transmission distance. -
Page 7: Connection Guide
UNiKA User Manual PRO 148 CONNECTION GUIDE Output from musical instrument to INPUT Output via THRU OUT to musical instrument amplifiers Connect the balanced wire from ISO OUT to the mixer, the mixer needs to turn on +48V phantom power... -
Page 8: Specifications
UNiKA User Manual PRO 148 SPECIFICATIONS (Specifications are subject to change without notice.) PRO 148 Active low-noise op-amp with Transformer Circuit principle balance output Input connector 1 x Combo Thru connector 1 x TRS Input pad switch/indicator 0/-20dB push button with LED...