100W guitar valve power amplifier

    I started to build a clone Hiwatt Amplifier - DR103 CUSTOM HEAD 100

    output power : 100 W from 4 x EL 34 ; Output transformer Dynacord DCN 307 ;

    preamplifier : 3 x ECC 83 and 1 x ECC 81 (all NOS tubes);

    details, schematics and layouts can be found Mhuss webpage :

                                              The chassis (made from aluminum)

    

    

                    the 3 turrets                                                                 

              

                                                         Populated turret board

    

                                             Amplifier in progress

    

    

    

    

                        Filaments test                                                                              

              

                                            And first sound test

   

                                      Head building                                                                                                   

               

                                           Head cosmetics

     

        Final sound test                     Final Project

                        

 

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