When I finally got a stereo of my own, the first thing I did was take it apart to see if I could add a headphone jack. I didn't have a clue what went on inside an amplifier, but that 'phones jones had me so completely in its thrall that I traced the circuit back from the ou...
The Max is full-bodied, with decent tone, an accomplishment for an op-amp-based headphone amp. Give the Max bass guitars and it can carry the tune. Entwhistle strums God-like through it. Notes are well defined and clear, with enough body and impact to ignore most of the low-frequency ...
TheBalanced Ultra Desktop Amp (BUDA)includes our now famous class-A biased Max electronics module with OPA627s and Jung Diamond Buffer discrete component headphone amplifier electronics. The BUDA can drive two regular pairs of headphones or one pair of balanced headphones, and will accept both bal...
Tyll Hertsens, Head HeadRoomer, declared, "Frankly, my feeling is that if anyone should build a $2000-$3000 headphone amp, it should be Sonic Frontiers or Counterpoint—which are companies who have licensed the module from us—not us. I have no desire to go beyond the Max." ...
HeadRoom's "Special" A NewPortableDesktop Amplifier a review by Max Dudious Now and then a product comes along whose designers seem to pick and choose the best features of previous designs (over the past fifteen or so years) and put them together in a new combination that synergistically mak...
Of course, it is almost impossible to know what the actual output power of your amplifier is in any particular situation. In particular, please note that the power output is in no way proportional to the Volume control: when the Volume is set to 50% (12 o’clockish), the outp...
The Newest from HeadRoom: the Desktop Balanced Amplifier as reviewed by Max Dudious New developments always seem to sneak up on me, on tiptoes, and then I'm left slapping my forehead with the palm of my hand (the sound of one hand clapping: smacka, smackus, smuck), saying, "Gee, ...