JBL VT4889, VT4888, VT4880 manual JBL VT4887, JBL VT4881

JBL VerTecVT4887 withVT4881

PowerAmplifierconfigurations- 4 +2 BoxArray

					VT4881
NL8
Jumper
Cable
					VT4887
						NL8
			Crown			SINGLE
			MA-5002VZ			Cable
	CH-1		Crown		CH-2
(2) MA-5002VZ	Pin 3 ±	2Ω		2Ω	Pin 4 ±
	4887-LF		MA-5002VZ		4887-MF/HF
Power Amplifiers	CH-1		Crown		CH-1
	Pin 1±	4Ω		4 Ω	Pin 2±
			MA-5002VZ
	4881-VLF				4881-VLF

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±

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