Color: White RAL 9002, graphite black RAL 9011 (each with frame and aluminum perforated grille in silver RAL 9006), from 1976 also natural walnut with black frame and grille
Dimensions: 220 x 360 x 190 mm (WxHxD)
Weight: approx. 8 kg
Factory price: 350 DM on sale, 193 DM / piece (1.9.73: net)
Type of construction: 3-way closed, shelf speaker
Chassis:
Woofer: 1x 175 mm
Midrange: 1x 38 mm Dome
Tweeter: 1x 19 mm Calotte
Load capacity (nominal/musical b.): 35 / 50 W (specified as 60 W from 1976)
Opera ting power according to DIN 45 500 (86 dB at 3 m distance): 0.8 – 2.5 Watts
Required amplifier power at room volume (80 dBA at 3 m distance): approx. 1.2 Watts
Suitability for amplifiers: 15 – 40 watts per channel.
Frequency response: 40 - 25,000Hz
Transition ranges: 1,100 / 4,000 Hz
Impedance: 4 Ohm s
Recommended listening distance: 1.5 – 4.5 m
Woofer: 1x 175 mm
Midrange: 1x 38 mm Dome
< li>Tweeter: 1x 19 mm dome
The Heco Professional series represents a studio series in various gradations
The PSL series has a rounded softline (studio line) design, is technically identical to the P series
Wall suspension: With hooks (12 mm wall spacing, max. 14 mm hook height)
Separate connection cables with DIN standard plugs, recessed socket on the back