JBL 4311A/4311WXA 4311A: 120,000yen(one-set ,around the 1979 time) 4311WXA: 125,000yen(one-set, around the 1979 time)

The control monitor of three ways developed as a monitor of a recording studio, an editorial office, a control room, etc. with the restraint on a space, and an outdoor sound recording.

"Diameter Woofer 2213 of 30cm" "Diameter squawker LEof 13cm5-2" Supposing the hanging setting, a Woofer is attached to a upper portion and, as for three units of "direct radiator LE25 of the diameter of 3.6cm", the Attenuator is attached to the lower.

There were two kinds of finish of an enclosure and there were 4311A of gray finish and 4311WXA of walnut finish. A saran network is common to black. 

Scheme	3 ways, 3 loudspeaker bass-reflex scheme, and a bookshelf type
Using unit	For low-pass: 30cm cone type (2213) For mid ranges: 13cm cone type (LE5-2) For high regions: 3.6cm (LE25)
Frequency characteristic	45Hz-15kHz±3dB
Allowable input	40W(RMS)
Impedance	8ohms
Cross over frequency	1500Hz, 6000Hz
Output sound pressure level	91dB (new Japanese Industrial Standard)
Enclosure internal volume	42.5L
Dimensions	Width 362x height 597x depth of 298mm
Weight	19kg

Posted in: JBL, JBL-Speaker, JBL-Speaker-Professional