About : To some a truly excellent loudspeaker,
Very linear and precise sound, good imaging and timing open and air sound with solid bass, overall this is one of the great vintage classic speakers that still can kick in modern days. Condition : In near mint condition, some signs of use but minor, original speaker grills top and bottom, paper drivers have been coated to last membranes are intact and tweeter is in perfect working condition. Probably one among the best preserved pairs around in the US. Setting resonable price to sell as I do not have where to store them any more. Might arrange pickup or shipping depending on location. Thank you Technics used variations of the SB-7000, SB-7070 and the pricier SB-8000 to illustrate its demos in the late 1970s : have someone perform live, record through an RS-1500U or RS-1800, then replay through the SB loudspeakers... Phase characteristics seem very good and so do the rest of the specifications. The level controls for the high and mid drivers, rather than regular level pots, function as Q pots : altering the resonance sharpness rather than level.
The original SB-7000 is a bass-reflex design with a loaded cavity equal to the bottom part of the enclosure remaining below the woofer's frame.
That version was sold inside and outside Japan, also known there as "Technics 7" and available in white (with flashy green covers - SB-7000W) or with real wood veneer sides (SB-7000MP). The export-only SB-7000A is also a bass-reflex design but with a simpler tuned vent ; this later version seems to have been US-only. The 7000 and 7000A are otherwise identical (drivers, controls, dimensions) but the resulting SPL and frequency response, naturally, differs.
As most of Technics' 1975 - 1977, the SB-7000 had the "studio professional" serious looks written all over itself.
A definite and big plus in 1977, when the SB-7000 started to appear outside Japan, almost two years after its home launch.
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