It's a little dubious to start thread about my DIY amp, since i'm not any pro with these electric things. Just have made couple working headphone tube amps before this.    So here is photo of my contraption with 6080WC tubes. And here is schematics for one channel.       As you can...

This is going to be instructions how to make "THE PRO BOX" adapter to use 6.3v and 12.6v heated double triode tubes with your Little Dot headphone amplifier. This shows how to make adapter to Little Dot MK II. With MK III and MK IV this is not going to as easy.   Do not try to do anything like...

  First of all i haven't listened to these with original pleather ear pads(which looked little uncomfy). I ordered beyerdynamic dt-770 velour pads with headphones and put them straight on. On the speaker there is original foam plastic and beyers foam/fabric on it to smoothen sound.   These...