SugdenSep 5, 20181 min readA21 Circuits The pure class A output stages of the #A21SE and #A21 Signature use the same circuit boards but with different power supplies. The Pre-amplifiers however are completely different designs with the A21SE offering a wider bandwidth and more detail. #Facebook
The pure class A output stages of the #A21SE and #A21 Signature use the same circuit boards but with different power supplies. The Pre-amplifiers however are completely different designs with the A21SE offering a wider bandwidth and more detail. #Facebook
