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- Thu Jan 02, 2020 2:42 pm
- Forum: HT Series MkII
- Topic: BLACKSTAR HT20RH MKII POWER TUBE REPLACEMENT
- Replies: 2
- Views: 6980
BLACKSTAR HT20RH MKII POWER TUBE REPLACEMENT
I'm hoping to get a definitive answer regarding replacing the EL84's in my HT20RH MKII. Do they or do they NOT need to be biased? (I know that the pre-amp tubes are plug and play). I have found nothing online or in this forum regarding this particular amp. Thanks in advance for some constructive fee...