Majestic 4085 3D (USA)

Grundig (Radio-Vertrieb, RVF, Radiowerke); Fürth/Bayern

Données
Forum
Images
Collections

  • Année
  • 1956/1957
  • Catégorie
  • Radio - ou tuner d'après la guerre 1939-45
  • Radiomuseum.org ID
  • 90974
    • alternative name: Grundig Portugal || Grundig USA / Lextronix

Cliquez sur la vignette du schéma pour le demander en tant que document gratuit.

 Spécifications techniques

  • No. de tubes
  • 7
  • No. de transistors
  • Principe général
  • Super hétérodyne (en général); FI/IF 468 kHz; Modèle pour exporter
  • Circuits accordés
  • 8 Circuits MA (AM)     13 Circuits MF (FM)
  • Gammes d'ondes
  • PO, 2 x OC et FM
  • Tension / type courant
  • Alimentation Courant Alternatif (CA)
  • Haut-parleur
  • 3 HP
  • Matière
  • Boitier en bois
  • De Radiomuseum.org
  • Modèle: Majestic 4085 3D - Grundig Radio-Vertrieb, RVF,
  • Forme
  • Modèle de table avec boutons poussoirs.
  • Dimensions (LHP)
  • 650 x 360 x 310 mm / 25.6 x 14.2 x 12.2 inch
  • Remarques

  • This is the export model of Grundig Musikgerät 4085 but with twice shortwave instead of longwave.
    Separate tuning pointers, one for AM/SW and one for FM.
    Majestic 4085-3D works with a huge oval woofer with die cast frame and two side mounted mid tweeters.

  • Poids net
  • 14.8 kg / 32 lb 9.6 oz (32.599 lb)
  • Auteur
  • Modèle crée par Ernst Erb. Voir les propositions de modification pour les contributeurs supplémentaires.

 Collections | Musées | Littérature

 Forum

Contributions du forum pour ce modèle: Grundig Radio-: Majestic 4085 3D

Discussions: 2 | Publications: 7

Hello,

I am trying to restore a Grundig Majestic model 4085 (USA version).  The glass alreadt has a crack by the knob on the lower right.  I can get the knobs off, but how to you remove from case?  Do you pry the buttons off on the bottom before trying to slide chassis out?  Thanks.  This is the first radio I am rebuilding.

 

Chip

Chip Eckardt, 26.Oct.23

Weitere Posts (5) zu diesem Thema.

Upon restoring this radio, I discovered that there was hardly any tone coming out of the speakers, when I placed the Soviet equivalent of the EL84, a 6P14P tube/valve.

Turning the radio off immediately, and then turning it on again, using a Telefunken EL84 tube, I was able to get satisfactory tone from the radio again!

Naturally, I thought something was defective with the 6P14P tube, but to my astonishment it tested excellent on my tube tester.  I then assumed that this tube might have the same issues a 7189 tube would have for this radio, but the pinout and specs are virtually identical for 6P14P and EL84.

I then proceeded to look at my various schematics for this radio, and discovered that the 47K resistor that is supposed to be connected to pin 2, was connected instead to pin 1 on my radio.  With amazement, I proceeded to see where the same 47K resitor was soldered to on my parts radio (same exact Grundig radio for export), and it is soldered on pin 1, instead of where it is supposed to be soldered, on pin 2!

My question is, was this intended by the manufacturer, or is it an assembly line error? 

 

 

 

 

Pièces jointes

Omer Suleimanagich, 21.Apr.11

Weitere Posts (2) zu diesem Thema.