Canon S-30 speakers (SOLD)

One pair of Canon S-30 speakers in excellent condition with Manual
Condition: 8/10
Price: RMSOLD
Please SMS: Mr. Canon 016-688 SOLD (Post for friend)

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More Pictures:
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Specification:
System Type: Compact Wide Imaging Stereo Direct Radiator. Single 130mm Full Range Driver
Construction: Structural Zinc-Die Casting. Structural Plastic. Direct coupled stand attachment points.
Finish: Matt and satin gloss black
Axial Anechoic Frequency Response: 70hz – 18khz +/- 4db
Sensitivity: 90db for 2.83V at 1 Metre
Nominal Impedance: 6 Ohmns
Power Handling: 50 Watts RMS
Suggested Amplifier Compatibility: S-30 can be used with almost any hi-fi amplifier or stereo TV speaker output. Power ratings of between 10 and 75 watts RMS per channel are most suitable.
Overload Protection System: Automatically resetting current / time integrating attenuator.
Total Harmonic Distortion: Less than 0.5%, 120hz – 12khz
Horizontal dispersion: Controlled within +/- 3db from 1khz to 10khz over +20 degree to –10 degree forward angle (Third octave averaged)
Vertical Dispersion: Controlled within +/- 3db from 1khz to 10khz over +20 degree to –10 degree forward angle (Third octave averaged)
Size: 270mm High X 230mm Wide X 240mm Deep
Approximate Weight: 4.5kg each. 11.0 kg per pair packed.

Abstract:
Canon, Lone Wolf
Most Japanese firms run with the pack. Not Canon. It's not a member of a cartel-like keiretsu. And it emphasizes individual effort over teamwork. Could that be why it runs the most productive R&D effort in the world?
By Bob Johnstone

An Unusual R&D Mission
Want stereo sound? Ask any hi-fi buff, they'll tell you: you have to sit in the "hot spot." At the apex, that is, of an equilateral triangle formed by you and your two speakers. Move even slightly to either side and the stereo illusion collapses onto the nearest speaker, leaving you with boring old mono. Hiro Negishi, the inventor of wide-imaging stereo and the director of Canon's European Research Center in Guildford, England, has the solution to the hot-spot problem. In 1984, Hajime Mitarai, then Canon's director of R&D, dispatched Negishi to England with a mandate to exploit local strengths by making them the basis of new businesses. It didn't take Negishi long to discover that one of the UK's strong points was high-end audio equipment. In due course, he also discovered the hot-spot problem. And the corporate dissident in him rose to the challenge.
By background, Negishi is a chemical engineer. But he works for a company whose specialty is optics, and since light and sound both travel in waves, it was natural to try to apply the principles of optics to audio. Low-frequency sound radiates from a speaker evenly, but high-frequency sound is directional, behaving much like a searchlight. So the key to solving the hot-spot problem was to find a way of spreading the high frequencies across a wider area. Negishi came up with the idea of using a cone-shaped acoustic mirror to reflect the sound. To manufacture and market wide-imaging stereo speakers, Canon formed a new UK subsidiary, Canon Audio. US marketing of the black, mushroom-like speakers began in April

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