Design loudspeakers and audio products. USA. Biro Technology is a small company dedicated to developing cost-effective high-performance audio solutions. Best known for our standard-setting loudspeaker designs, we are also active ......
OTL (“Output Transformerless”) tube amplifiers are existing for as long as 40 yrs., and they were always highly appreciated by the serious audiophiles searching for the ultimate sound reproduction. But, ......
