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Nordmende  4/675 (Imperator Caruso Mikado)
                   
    Tube Classics Röhrenendstufe Röhrenverstärker amp Nordmende 4-675 Caruso Imperator Mikado  

  Less is more? Look at this: One tube for both channels and enough for a full power amp. Built on the same chassis as the 3/683 this amp uses just one ELL80.

  This way input sensitivity is not too high, but the amp will work with most preamps. No input tubes means: NO COUPLING CAP!

  The output power is 1 watt (undistorted) into 4 or 8 Ohms. The maximum output is 2 watts, but with noticeable distortion.

  The sound? Niiiiiiiiiiiiiiice. Really. Better than any Telefunken S80/81/82. Less is more. Yes. At least sometimes...

 

 

What you should do for HiFi use:

1. Remove the capacitor from the plates to B+ (see picture) for correct high frequency response.

2. Add speaker connectors to the output taps of the output transformer (black-yellow and black-red)

3. If you need more bass add a 10uF from the feedback cable (blue) to ground.

 
   

 

 
       
     

 

 

 

Original preceiver section

                        Original preceiver section

 

 

frequency response with 10uF capacitor

                            original frequency response

 

 

 
           

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