Loudspeaker System
Bass speaker not original
Power capacity : 60 watt continuous ; 160 watt music peaks
Impedance: 6 ohms
Dispersion : 120° horizontal 40° vertical
Crossover frequency : 1,500 Hz
Efficiency : 1 Watt input produces 80 dB sound pressure at a distance of 15 feet
(75 db is a comfortable listening level )
Frequency response : 30 Hz up to 25.000 Hz
Impedance: 6 ohms
Dispersion : 120° horizontal 40° vertical
Crossover frequency : 1,500 Hz
Efficiency : 1 Watt input produces 80 dB sound pressure at a distance of 15 feet
(75 db is a comfortable listening level )
Frequency response : 30 Hz up to 25.000 Hz
Control panel
This is the speakers control panel
You can switch the 16.000 Hz Ultra high filter on or off to prevent the Heil Air Motion Transformer from getting damage
You can use the Equalizer to increase the high range from 1.500 Hz up to 24.000 Hz
The red button is the Protective Circuit Breaker it prevents the AMT from getting damage
You can switch the 16.000 Hz Ultra high filter on or off to prevent the Heil Air Motion Transformer from getting damage
You can use the Equalizer to increase the high range from 1.500 Hz up to 24.000 Hz
The red button is the Protective Circuit Breaker it prevents the AMT from getting damage
Heil Motion Air Transformer
Here you can see the Heil Motion Air Transformer build in the ESS Lab serie 1
Its total radiating area is 67,1 cm² its weight is 1,02 kg and the square wave rise time is 15 microsecond @ 5.000 HZ
Ess build the first speaker in the USA with Dr. Heil´s speaker technik the Motion Air Transformer
Its total radiating area is 67,1 cm² its weight is 1,02 kg and the square wave rise time is 15 microsecond @ 5.000 HZ
Ess build the first speaker in the USA with Dr. Heil´s speaker technik the Motion Air Transformer
Inside the Speaker
Isulation
The Box is filled with wool for a better sound quality
Motion Air Transformer
This is the Motion Transformer from the back
Wiring of the control panel
This is backside of the control panel