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Product

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Price

Listed

OldSound

5691 RCA VT-229 ECC35 6SL7 CV1984 VALVE DOUBLE TRIODE AUDIO PREAMPLIFIER, TOP QUALITY NOS 100% OK OldSound €95 Mar 21, 2025

OldSound

5691 RCA VT-229 ECC35 6SL7 CV1984 VALVE COUPLE DOUBLE TRIODE AUDIO PREAMPLIFIER, TOP QUALITY NOS 100% OK OldSound €189 Mar 21, 2025

Canuck Audio Mart

A Couple Of 5691 Red Base Preamplifier Tubes RCA and GE Canuck Audio Mart CA$125 Mar 14, 2025

Head-fi

RCA 5691 pair Head-fi €170 15% Feb 25, 2025

Yahoo Auctions

thorough maintenance ending RCA CX371A crab n chewing gum single stereo power amplifier Mini wata- tube amplifier ECC35 5691 Yahoo Auctions Auction bid
¥238,000 Nov 3, 2024

US Audio Mart

Pair Vintage RCA(GE) 5691 Red Base Tubes, Military Spec, 5 Support Rods D Getters, Test As New, Boxe US Audio Mart $180 10% Aug 30, 2024

Subito

5691 RCA coppia Super no REVOX Subito €145 Apr 15, 2024

US Audio Mart

Pr NOS Vintage RCA 5691 Red Base Tubes,D Getters, 5 Support Rods,BoxesTest New/Balanced/New,1950 US Audio Mart $178 22% Nov 15, 2023

US Audio Mart

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

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