Super Symmetry Dynalo

Dynalo is a versatile amplifier meant for all headphones and IEMs.
It employs an elegant, fully discreet, minimal feedback, super symmetry topology, with DC servo offset protection.
It runs warm on Class A. The sound is slightly warm, transparent with pitch black background. For more sonic reviews, kindly Google "Dynalo".
 
Build details:
Full sized through hole (non-mini)
Default options: black acrylic chassis, white power LED light, 1 pair of single ended and balanced input, 1 balanced output, Alps 4-gang RK27 volume pot, mainline EMI filter, shielded toroidal transformer, dual 18V voltage rails, IC based power supply unit.
Upgrades: stepped volume attenuator (+50), removal of volume attenuator (-30), Toshiba matched BJT or JFET inputs (+25*/50), power supply upgrade (+50 for sigma22, +120 for GRLV*, both include voltage rails increase to 20V), gain switch (+30), power LED colour (yellow, green, blue, red, free of charge)
 
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