外國著名budget headphone膽amp 配sennheiser 6系有奇效 配膽都差不多一千元
膽list:
amperex ef85/805
mullard ef184
rft ef184
telefunken ef184…

https://www.superbestaudiofriends.org/index.php?threads/shortest-way-sw51-amp-impressions-simple-set-amp.8042/page-9

https://www.superbestaudiofriends.org/index.php?threads/shortest-way-51-sw51-amp-impressions-only.8363/

因轉主力IEM和二聲道而放售, 右聲道有少底噪用iem聽會較明顯,平時用6xx和其他耳牛就聽唔出。