Original Dynaco/Dynakit ST-70 Specifications

    

        


  

    
Power Output
    
35 Watts continuous, 80 Watts peak each channel
  

  

    
Frequency Response
    
	+/- 0.5db from 10 cps to 40 kc
  

  

    
Power Response
    
20 cps to 20 kc within 1db of 35 watts at less than 1% distortion
  
  
  

    
Intermodulation Distortion
    
Less than 1% at 35 watts, Less than 0.05% at 1 watt
  
  

    
Hum and Noise
    
Inaudible; better than 90 db below rated power
  
  

    
Sensitivity
    
1.3 volts rms input for 35 watts out
  
  

    
Output Impedances
    
4,8,16 ohms each channel
  
  

    
Damping Factor
    
15
  
  

    
Minimum Channel Separation
    
55 db
  
  

    
Power Consumption
    
190 watts 50/60 cps
  
  

    
Preamp Provision
    
Two power takeoffs with independent heater windings to eliminate interaction.  Ach 6.3 volts 1 amp, 350 volts DC 10 ma.  Dynakit preamplifiers plug in directly without modification.
  
  

    
Tube Complement
    
Tube Complement	EL-34 (4)
7199 (2)
 GZ-34/5AR4 selenium recifier
  
  

    
Size
    
13" x 9-1/2" x 6-1/2"
  
  

    
Weight
    
32 pounds
  
  

    
Finish
    
Chassis and bottom plate bright nickel plated. Cover finished in charcoal brown vinyl paint.