MarkJun 22, 20193 minAre all LDR attenuators the same? The long readIf you look at the LDR attenuators' proof of concept, it seems that build one is straightforward, and, since it is simple, they perform a...
MarkJul 6, 20181 minThe Reference MM Phono Preamplifier first listening ever!! Today the first listening test of our new prototype. What must I say? Despite the fact that condensers and tubes are not yet rolled in th...
MarkJun 10, 20181 minWorking on the MM Amp prototypeThe audio section of the Reference MM Phono Preamplifier is shaping up. Here you can see the input section with the Neutrik sockets, the ...
MarkMay 31, 20181 minNo Worries, We Are WorkingThe CNC is now fully operational, here milling the case for the MM Phono Amp power supply unit.
MarkMay 24, 20181 minAll our devices have a pedigreeNow, all our electronic devices come with a personal test card. Square waves, frequency response and THD/SNR for both channels.
MarkMay 18, 20181 minWhile waiting for supplies.....We continue to work on the Phono Preamp, at this stage the first five exemplars of the tube power supplies are almost ready. here the 'na...
MarkMay 16, 20181 minWorking on the controller boardAfter a successful test of the prototype boards; it's time for drawing the final production boards.
MarkMay 12, 20181 min'The Gain Without Pain' line passive pre-amplifier saga.Starting to program the micro controller and design the logic board. This will take a while.
MarkMay 12, 20181 min'Gain with No Pain' Passive Preamp, going forward..Finally the board with Audio section, with all the electromechanical controls is ready (hope it works), next step the logic board and pro...
MarkMay 10, 20181 minThe "Gain Without Pain" amp is on it's way.I started to prototype the new Passive Amplifier, here a sneak preview of the transformers with the relays array that will control all th...
