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Thunderbolt

The Thunderbolt speaker system is capable of high sound pressure levels over a wide bandwidth, ideal for all styles of musical reproduction, used permanently for auditorium applications in wide screen cinemas and for stage reinforcement, or portable by mobile discos and musical groups.
The high frequency horn is normally used on top of the cabinet, where it can be separately orientated to advantage, alternatively it can be used in the stowed position. When in transit the horn is secured in this position by a latching device.





Specifications
-Frequency response: 40 to 15,000 Hz
-Flat Efficiency: 108 dB (measured at 1m on axis with 1VA input of Pink noise 40-12,000Hz, HF set to -4dB
-Max Efficiency 112 dB measured at 1m on axis with 1VA input of Pink noise 40-12,000Hz, HF set to 0dB attenuation.
-Power rating 100w rms (measured 40-12,000Hz, HF attenator at -4dB).
-Max SPL at 1m: 132 dB
-Impedance: 15 ohm nominal
-Low frequency Distribution angle: 90 degrees
-High frequency Distribution angle: 90 degrees horizontal, 30 degree vertical.
-Weight: 95kg (210 lb)
-Dimensions: Height 1220 x Width 640 x Depth 810mm

Below: From a Vitavox brochure showing how it was possible to transport such a large speaker with just one person.




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