Technics SB4500A speakers in excellent condition - 1980's
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This is a speaker system that uses a linear phase method to align the phase characteristics between units.
It is equipped with a network that measures the phase frequency characteristics of only the unit with a delay device using a B. B. D element, and based on this, realizes flattening of the phase frequency characteristics of the entire system.
The sound center of each unit is basically the same straight line as seen immediately. It is a unique shape with a stepped mounting surface.
The vertical alignment of arrangement provides excellent horizontal directional characteristics, and the arrangement is as close as possible to improve vertical directional characteristics. The woofer is positioned higher to prevent adverse effects due to reflection from the floor.
Method 2-way, 2-speaker, linear phase bass reflex system
・ Floor type
Units UsedFor low band : 25 cm cone type
For high pass : 6 cm cone type
Crossover frequency2000Hz
Impedance6 Ω
Output sound pressure level92.5dB/W/m
Instantaneous maximum input75W
This item is sold As-Described
This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.
| Listed | 2 months ago |
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| Condition | Excellent (Used) Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more |
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