6211 ARCTURUS. USA preamp. Up for sale 1 Pair 2 Pcs. Amplitrex AT1000 Advance Digital Tube Tester, Hickok 752a tube tester, AVO Type 160. We specialized in thoroughly tested and screened quality, vacuum tubes.
Item Tag: ARCTURUS 6211
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6211 ARCTURUS nos tube UNited States preamp test strong balanced
6211 ARCTURUS. USA preamp. Amplitrex AT1000 Advance Digital Tube Tester, Hickok 752a tube tester, AVO Type 160. 1MP 5687 RCA NOS Top D getter made in U.S.A Amplitrex Tested #2288002&8. 6550 Tung-Sol NOS Triple O getter made in U.S.A Amplitrex tested #623005.