Categories audio New Tubes! Post author By Isaac Post date 03/28/2022 No Comments on New Tubes! Mullard 6aq5 outputs with Raytheon 6f8g input tube. ← Tube I hadn’t seen before → Putin and “Nazis” Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.