What is stereo?

There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.

H.H. Scott '59

Grundig Kugelstrahler 700

 Grundig Hi-Fi Audiorama Cube 700 Sattelit Box
Speaker system bookshelf, produced at the beginning of the 70s.
They are designed to play with a dedicated subwoofer, in a separate wood box.
The cube has 6 speakers on each side, protected by a metal grill, and are mounted on tripod base.
Specifications Kugelstrahler 700
System:  6  x  midrange speaker
Diameter of Membrane/Voice Coil:  88 mm/16 mm
Type:  Bookshelf with tripod
Field Strength:  11000 Oe (Oersted)
Magnetic Flux:  14000 Mx (Maxwell)
Crossover:  400 Hz
Sine Wave Power Capacity:  50 W
Music power Capacity:  70 W
Frequency: 400 - 20000 Hz
Impedance: 4 Ohm.
Variants: black/silver or white/silver
Dimensions (W x H x D):  150 x 150 x 150 mm (5-7/8" x 5-7/8" x 5-7/8")
Height with feet: 300 mm (11-13/16")
Weight:  3 kg (6,6 lbs)

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