STR

Sigma II

Speaker

Main Details
Maker STR Brand Sound Technology Research Company
Function
Form Factor Floorstanding
Signal Path Analog Hardware
Made In United States
Date Produced 1975
Dimensions
(H × W × D)
Weight 85lbs
Frequency Response 30Hz-23kHz ±5dB, 40Hz-21kHz ±4dB
Additional Specifications
Treble 3" Paper Cone Phenolic Ring, CTS
Treble (Rear) Piezo
Midrange 4.5" Paper Cone
Bass 12" Paper Cone
Sensitivity 94dB/W/m
Impedance (Nominal) 8Ω
Crossover Frequencies 900Hz, 5kHz
Recommended Amplifier Power 15-200W
Power Handling 200W
Enclosure Type Bass Reflex
Finish Walnut
MSRP (1975) $399

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