Rogers (Early Amperex 12AX7)

- 早期Amperex 12AX7代工以Rogers Canada推出

- 荷蘭製造

- 長灰屏

- 圓環

- 非常靜, 暖聲, 音場比一般膽大

- Early Amperex 12AX7 branded in Rogers Canada

- Made in Philips of Holland
- Long grey plate, O-getter

- Very quiet, warm and bigger soundstage than normal tubes