• Country
• United States of America (USA)

• Manufacturer / Brand
• Bell & Howell, Wheeling (Illinois)

• Year
• 1975 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 122642

• • Brand: DeVry

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Loudspeaker + integr.Amplifier

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Aktivbox 810 - Bell & Howell, Wheeling

• Dimensions (WHD)
• 340 x 400 x 250 mm / 13.4 x 15.7 x 9.8 inch

• Notes
• Export model, is only for 220 V mains. Passive or active speaker mode selectable.
  Als Aktiv-Passiv Lautsprecher durch umschalten zu benutzen. Eingänge für Mikrofon und Aux.

• Net weight (2.2 lb = 1 kg)
• 9.4 kg / 20 lb 11.3 oz (20.705 lb)

• Author
• Model page created by Peter Böhm. See "Data change" for further contributors.

• Other Models

• Here you find 39 models, 35 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bell & Howell, Wheeling (Illinois)