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- Sun Jan 30, 2022 1:12 am
- Forum: HT Series MkII
- Topic: Ht5r mkii stock tubes
- Replies: 0
- Views: 7865
Ht5r mkii stock tubes
Hey guys I was looking to find out what the stock tubes are in the ht5r mkii units. So I opened mine up to have a look. They are Electro Harmonix in mine. I changed the 12ax7 he to a Tung Sol 12ax7 and it cleaned up the clean channel a bunch. Also the overdrive channel is a bit more crunchy and clea...