Grundig KS 750U closed

KS 750U (1966)

This console was found in an on-line auction. The owner, Fred Eddie Quartey told us :

- The sound is fantastic! It has rich bass, mids, and crisp highs.
Built-in FM-Stereo decoder. This console represents an evolution of the KS 650 console.

Grundig KS 550U opened

Restoration made on this model:

Face picture
Technical features

Stereo tuner part

  • FM 87 to 108 MHz

  • SW1 1.9 to 5.7 MHz

  • SW2 5.4 to 16.2 MHz

  • BC / MW 510 to 1620 kHz

  • Switchable ferrit antenna in BC / MW

  • FM 240 - 300 Ohms Dipole

  • FM Stereo Decoder 6U integrated

Electronic tubes

  • 1 ECC 85

  • 1 ECH 81

  • 1 EAF 801

  • 1 ECC 83

  • 2 ECLL 800

  • 1 EM 87

  • Decoder : 1 ECC81 + 1 EC92

Output

  • 2 X 7W

Surround

  • a Bass knob

  • a High tone knob

8 Superphon loudspeakers

  • 1 Elliptic Boomer per channel

  • 2 round medium tweeters per channel

  • 1 electrostatic tweeter per channel

Automatic 36 turntable
Turntable picture

  • Automatic record changer 16 2/3, 33 1/3, 45 and 78 RPM

  • Removable piezo-electric stereo head

  • Automatic disk size detection

Inputs

  • Stereo tape deck or Auxiliary

Miscellaneous

  • Pilot lamp for Stereo indicator

  • Lightning of the turntable

  • Compartment for record storage/tape deck

  • Printed circuit board

Grundig KS 750U all opened

Photo: thanks to Fred Eddie Quartey

Downloadable diagrams:

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