The inductors for that audio output are of incredibly weak top quality, which happens to be very Plainly seen at four Ohms on the company's curve, which also permits us to confirm that this amp doesn't have a PFFB ①经培养能达到掌握本学科坚实宽广的基础理论和系统深入的专门知识，具有独立从事科学研究工作的能力，在科学或专门技术上做出创造性成果的优秀应届本科毕业生； Sketchpad is out there ... https://zalmayh319itd0.pennywiki.com/user