JBL Studio 630

JBL Studio 630: 2-way stand-mount loudspeaker with a 165 mm woofer

The Studio 630 is the larger stand-mount model of the Studio 6 range. Sold as a pair. Compared with the Studio 620 it has a bigger woofer, a roomier cabinet and power handling that reaches 150 W.

The bass unit is a 165 mm PolyPlas woofer, reflex-loaded through a tuned port that opens at the back. For the treble JBL uses a 25 mm compression driver coupled to the HDI (High-Definition Imaging) waveguide. The split between woofer and driver is placed at 1.9 kHz, lower than in the 620.

Key features

• 2-way loudspeaker with rear reflex tuning
• 165 mm woofer, PolyPlas cone
• HDI waveguide with a 25 mm compression driver
• Response extending from 45 Hz up to 40 kHz
• Nominal impedance 6 ohms, sensitivity 85 dB (2.83 V at 1 m)
• Handles amplifiers of up to 150 W

Technical data

Size of one loudspeaker: 230 x 280 x 372 mm, in the order width x depth x height; weight of 9 kg for each unit. The crossover point is 1.9 kHz. The gain over the 620 is 5 Hz at the bottom end (45 Hz against 50 Hz), 1 dB in sensitivity and 50 W in permitted power.

Finishes

The finish is Dark Wood. The two loudspeakers arrive with eight feet to apply to the base.