JBL Studio 690

JBL Studio 690: 2.5-way floorstanding loudspeaker with two 203 mm woofers

The Studio 690 is the middle floorstanding model of the Studio 6 range, placed between the Studio 680 and the three-way Studio 698. Sold as a pair. With a sensitivity of 90 dB and permitted power of 250 W it exceeds the 680 by 2 dB and by 50 W.

The two PolyPlas woofers have a diameter of 203 mm and are reflex-loaded, with the tuned port facing the wall behind. The treble is left to a 25 mm compression driver mounted in the HDI (High-Definition Imaging) waveguide. The 2.5-way filter operates at 600 Hz and at 1.7 kHz.

Key features

• 2.5-way tower loudspeaker, reflex with rear outlet
• Two 203 mm woofers with PolyPlas cones
• 25 mm compression driver loaded by the HDI waveguide
• Range from 36 Hz to 40 kHz
• 90 dB sensitivity (2.83 V at 1 m), 6 ohms nominal
• For amplifiers of up to 250 W

Technical data

A single loudspeaker measures 300 x 350 x 1058 mm (width x depth x height) and weighs 29.3 kg. The crossover points are 600 Hz and 1.7 kHz. Next to the Studio 680 it is 53 mm taller and 50 mm deeper; the Studio 698 shares its width, height and woofers but adds a dedicated midrange in a cabinet 400 mm deep.

Finishes

The cabinet is finished in Dark Wood. Four carpet spikes and four feet are supplied with every loudspeaker.