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RCA 5691

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willhaben.at

RCA JRC JAN CRC 5691 Vintage 1950 NOS Red Base Matched Pair willhaben.at €140 Mar 29, 2026

US Audio Mart

NOS RCA/GE 5691 Red-Base Octal Tubes US Audio Mart $200 Mar 18, 2026

Kleinanzeigen

RCA JRC JAN CRC 5691 Vintage 1950 NOS Red Base Matched Pair Kleinanzeigen €100 57% Mar 17, 2026

Canuck Audio Mart

2 Vintage Pairs Of 5691 Red Base Preamplifier Tubes RCA and GE Boxed Canuck Audio Mart CA$250 Dec 15, 2025

OldSound

5691 RCA VT-229 ECC35 6SL7 CV1984 VALVE DOUBLE TRIODE AUDIO PREAMPLIFIER, TOP QUALITY... OldSound €119 25% Mar 21, 2025

US Audio Mart

Pr NOS Vintage RCA 5691 Red Base Tubes,D Getters, 5 Support Rods,BoxesTest New/Balanced/New,1950 US Audio Mart $188 18% Nov 15, 2023

US Audio Mart

RCA 6SL7 - 5691 - Superb Valve US Audio Mart $450 125% Sep 13, 2021

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