The radioactive line offers a wide range of highly efficient speakers and subwoofers for daily, SQ, and SPL use. During the series development, Ground Zero focused especially on natural and dynamic audio reproduction of all music genres.
 
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2-way coaxial speaker system
	
Aluminum cone
	
Rubber surround
	
Nomex spider
	
Resonance-free steel basket
	
High efficient 3 ohms version
	
25 mm / 1″ silk dome tweeter
	
Ferrite motor
	
Tweeter and overload protection
	
Incl. protection grill
 
Specifications:
	
		
			
Model
			
			
2-way coaxial speakers
			
		
		
			
Diameter
			
			
165 mm / 6.50"
			
		
		
			
Power Handling (RMS/max.)
			
			
100 / 140 Watts
			
		
		
			
Impedance
			
			
3 ohms
			
		
		
			
Efficiency
			
			
91 dB
			
		
		
			
Frequency Response
			
			
50 Hz – 24 kHz
			
		
		
			
Tweeter
			
			
25 mm / 1" silk dome
			
		
		
			
Mounting Ø
			
			
142.5 mm / 5.61"
			
		
		
			
Mounting Depth
			
			
68 mm / 2.68"
			
		
		
			
Crossover
			
			
6 dB/oct – high pass filter