• Country
• Germany

• Manufacturer / Brand
• Grundig (Radio-Vertrieb, RVF, Radiowerke)

• Year
• 1980 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 197239

• • alternative name: Grundig Portugal || Grundig USA / Lextronix

• 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
• 4 Loudspeakers

• Power out
• 200 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Monolith 90a - Grundig Radio-Vertrieb, RVF,

• Shape
• Console with any shape - in general

• Dimensions (WHD)
• 370 x 920 x 330 mm / 14.6 x 36.2 x 13 inch

• Notes
• Geschlossene 4-Wege Aktivbox. Die Lautsprecherboxen schalten sich automatisch ein, sobald sie ein Signal vom Vorverstärker bekommen.

• Net weight (2.2 lb = 1 kg)
• 35 kg / 77 lb 1.5 oz (77.093 lb)

• Price in first year of sale
• 2,800.00 DM

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

• Other Models

• Here you find 6196 models, 5420 with images and 4190 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grundig (Radio-Vertrieb, RVF, Radiowerke)