Altavoces JBL vintage 4311B

JBL 4311 B Control Monitor.(2) Serial 53168-53203. La madera exterior de las cajas tiene algún desperfecto por el paso de los años.

Especificaciones:

Power Capacity: 75 W continuous program (Continuous program power is defined as 3 dB greater than continuous sine wave power (RMS) It is a conservallve expression of a loudspeaker systems ablllty to handle normal speech and music program material)

Crossover Frequencies 1.5 and 6 kHz

Nominal lmpedence 8

High Frequency Dispersion 90º horrzontal and vertrcal

Frequency response 45 Hz - 15 kHz +-3 dB

Sensitivity 91 dB. 1 W, 1 m (3.3 ft) 42 dB, 1mW,30 ft (9,1m) Measured with Input swept from 500 Hz to 2,5 kHz with controls set for flattest response. Unlike many theater type loudspeaker systems that exhlblt sensltivity speaks in the mldrange the JBL Control Monitor provides substantially the same sensltlvity through the full range of audible frequencies. Measured sensitivity below 500 Hz or above 2.5 kHz may be considerably greater than that of other systems with higher sensitivity ratings

Distorsion 1/2 Power, 95 dB SPL/3 m (10 ft) Single Frequency : Less than 1% third harmonrc generation from 100 Hz to 15 kHz

Finish Textured gray or oiled walnut

Grille Black fabric

Dimensions 597 mm x 362 mm x 298 mm deep

Net Weight 21 kg

4311B Studio Monitor: 2213H + LE 25-2 + LE 5-10 + 3112B Network