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IMPORTANT NOTES:
All wiring configurations shown above use 8-conductor speaker cables terminated with Neutrik NL8 "Speakons".
Ensure that each conductor in the cable is a minimum of #13 AW (3-4 mm).
JBL VT4887:
The MF & HF section of a VT4887 has an internal passive crossover network. =8Ω Pins 4±
This network connects two 2407H HF drivers (8Ω) wired in series
and four 2104H MF (8Ω) wired in Series / Parallel.
The LF section of a VT4887 has two 2168J drivers (16Ω) wired in Parallel. =8Ω Pins 3±
JBL VT4881:
The single 15" 2256G VLF device has two 8Ω coils wired independently. =8Ω/8Ω Pins 1±, 2±
(2) MA-5002VZ
Power Amplifiers
JBL V e rT e c V T 4887 w i th V T 4881
Power Amplifier configurations - 4 +2 Box Array
NL8
SINGLE
Cable
NL8
Jumper
Cable
VT4881
VT4887
CH-1
Pin 3 ±
4887-LF
4 Ω
2Ω
4Ω
2Ω
CH-2
Pin 4 ±
4887-MF/HF
CH-1
Pin 1±
4881-VLF
CH-1
Pin 2±
4881-VLF
Crown
MA-5002VZ
Crown
MA-5002VZ
Crown
MA-5002VZ
Crown
MA-5002VZ