Heco Professional P 4000, 1970, made in Germany

Link: radiomuseum
Country: Germany
Manufacturer / Brand: Heco (Hennel + Co.), Pulheim
Year: 1970 ?? Type: Loudspeaker, headphone or earphone
Wave bands - without
Details
Power type and voltage No Power needed
Loudspeaker 3 Loudspeakers
Power out
from Radiomuseum Model: Professional P 4000 - Heco Hennel + Co., Pulheim
Material Wooden case
Shape Book-shelf unit.
Dimensions (WHD) 460 x 250 x 200 mm / 18.1 x 9.8 x 7.9 inch
Notes

• Three built-in speakers (D = 205, 37, 25 mm)
• capacity 23 liters
• acoustically damped frequency response: 30-25000 Hz, 45-16000 Hz ± 2 dB
• transition areas: 800 Hz / 3000 Hz
• connection cable with plug connection
• rated power 30 W, 40 W music
• impedance 4 -8 Ω.

Color: walnut or white polyester paint, acoustic wall paneling made from anodised aluminum perforated sheet (light gold or silver)

Recommended room size: 25m² - 38m², fundamental resonance 60Hz,

Recommended amplifier power: 25 - 55 watts.

Predecessor the X001 and the X302 P / P X302 SL Series.

Net weight (2.2 lb = 1 kg) 11.1 kg / 24 lb 7.2 oz (24.449 lb)
Price in first year of sale 456.00 DM
Mentioned in hifi-wiki.de, Heco Professional P4000
Literature/Schematics (1) Typenschild