RCA

RCA 6C4

Vacuum tubes

€49 vs last month median 2026

Estimated used-market median, refreshed monthly

More from RCA

All vacuum tubes →

RCA 12AT7 Vacuum tubes €91 median RCA 12AU6 Vacuum tubes €22 median RCA 12AU7A Vacuum tubes €190 median RCA 12AX7 Vacuum tubes €97 median RCA 12AX7 A Vacuum tubes €88 median RCA 12AZ7A Vacuum tubes RCA 12BH7A Vacuum tubes €175 median RCA 12BZ7 Vacuum tubes €12 median RCA 12HG7 Vacuum tubes RCA 12SC7 Vacuum tubes €15 median RCA 12SN7 Vacuum tubes €62 median RCA 12SR7 Vacuum tubes €14 median