The best Tubes gear under $20 (2026)
The strongest Tubes gear you can buy for under $20 right now, ranked by real closed-sale prices — not guesses, not asking prices. Updated August 2026; the order shifts as the market does.
Also: under $50 · under $100
- 1
RCA 6SN7$19.99 - 2
JJ Electronic ECC83S$19.99 - 3
RCA 5Y3$19.99 - 4
Reliable 12AU7$19.99 - 5
G.E 5Y3$19.99 - 6
Sylvania 5U4GB$19.99 - 7
- 8
- 9
RCA 12SN7$19.99 - 10
- 11
Raytheon 5U4$19.99 - 12
Sylvania 5U4$19.99 - 13
RCA 5879$18 - 14
- 15
RCA 6AQ5A$15 - 16
RCA 12SQ7$15 - 17
- 18
G.E 5U4$14.99 - 19
- 20
RCA 12AV6$10 - 21
- 22
- 23
- 24
- 25
RCA 12SA7$10 - 26
- 27
- 28
RCA 6CG7$9.99 - 29
Mullard 6GJ7$9.99 - 30
RCA 6BC8$9.99 - 31
RCA 5R4$9.99 - 32
G.E 6CG7$9.99 - 33
Amperex 6GJ7$9.99
Values are informational estimates from real sales data. JunkPal may earn a commission when you buy through eBay links, at no extra cost to you.