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cv 1988

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Product

Site

Price

Listed

Taiwan Yahoo Auctions Taiwan
cv 1988 @ Yahoo Auctions Taiwan
BRIMAR CV1988 KB/FE Taiwan Yahoo Auctions Taiwan NT$5,000 Dec 13, 2025
Poland OLX Poland
cv 1988 @ OLX Poland
Brimar CV1988 Black Glass - Brown Base [pojedyncze, pary, kwadry] Poland OLX Poland PLN 1,000 Dec 20, 2025
US Head-fi
cv 1988 @ Head-fi
Brimar CV1988 Black Glass - Brown Base [Singles, Pairs, Quads] US Head-fi $275 Sep 25, 2025
Germany Kleinanzeigen
cv 1988 @ Kleinanzeigen
Brimar CV1988 / 6SN7GT NOS – Matched Pair Germany Kleinanzeigen €500 Dec 11, 2025
Hong Kong Review33
cv 1988 @ Review33
出售: NIB CV1988 KB/FE Brimar Oldway factory 1972 原裝盒 同期 Hong Kong Review33 - Oct 30, 2025
Japan Yahoo Auctions
cv 1988 @ Yahoo Auctions
CV1988/6SN7GT same - Rod England made STC vacuum tube 2 ps Japan Yahoo Auctions Auction bid
¥70,000 Dec 24, 2025
Japan Yahoo Auctions
cv 1988 @ Yahoo Auctions
VALVE ELECTRONIC CV1988 6SN7GT 2 ps measurement data equipped STC made vacuum tube 21666 Japan Yahoo Auctions Auction bid
¥50,000 Sep 23, 2025
Italy OldSound
cv 1988 @ OldSound
6H8C CCCP ORIGINAL ( OTK ) 6SN7GT B65 CV1988 5692 VALVE DOUBLE TRIODE PREAMPLIFIER NOS/NIB Italy OldSound €59 Jun 13, 2024
Italy OldSound
cv 1988 @ OldSound
6H8C OTK (PENTA logo) 6SN7GT B65 CV1988 5692 VALVE DOUBLE TRIODE PREAMPLIFIER NOS/NIB Italy OldSound €37 131% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6H8C ORIGINAL ( OTK ) 6SN7GT B65 CV1988 5692 VALVE DOUBLE TRIODE PREAMPLIFIER "METAL" BASE 100% OK Italy OldSound €49 Jun 13, 2024
Japan Yahoo Auctions
cv 1988 @ Yahoo Auctions
voltage increase width . three ultimate tube RAYTHEONre Ise on 6SN7GTB / CV1988 used good goods original box go in 1 pcs Japan Yahoo Auctions Auction bid
¥2,980 Dec 27, 2025
Italy OldSound
cv 1988 @ OldSound
B65 OSRAM MARCONI VALVE 33S30B 5692 QA2408 13D2 CV1988 ORIGINAL UK RARE DOUBLE TRIODE AUDIO PREAMPLIFIER 92% OK Italy OldSound €349 17% Jun 23, 2025
Italy OldSound
cv 1988 @ OldSound
A2408 B65 OSRAM MARCONI VALVE 33S30B 5692 13D2 CV1988 ORIGINAL UK RARE DOUBLE TRIODE AUDIO PREAMPLIFIER 91% OK Italy OldSound €449 36% Jun 23, 2025
Italy OldSound
cv 1988 @ OldSound
6SN7GT SYLVANIA JAN CHS 33S30B 5692 B65 13D2 CV1988 ECC32 VALVE PAIR DOUBLE TRIODE AUDIO PREAMPLIFIER Italy OldSound €144 4% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT FIVRE 33S30B 5692 B65 13D2 CV1988 VALVE PAIR DOUBLE TRIODE AUDIO PREAMPLIFIER SUPER SOUND NOS/NIB Italy OldSound €394 Sep 23, 2025
Italy OldSound
cv 1988 @ OldSound
6SN7GT SYLVANIA JAN CHS 33S30B 5692 B65 13D2 CV1988 ECC32 VALVE PAIR DOUBLE TRIODE AUDIO PREAMPLIFIER Italy OldSound €109 Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GTB RCA TUBE PAIR 33S30B 5692 B65 13D2 CV1988 DOUBLE TRIODE AUDIO PREAMPLIFIER "BLACK PLATE" NOS/NIB Italy OldSound €299 Sep 19, 2025
Italy OldSound
cv 1988 @ OldSound
6SN7GTB RCA TUBE PAIR 33S30B 5692 B65 13D2 CV1988 DOUBLE TRIODE AUDIO PREAMPLIFIER "BLACK PLATE" NOS/NIB Italy OldSound €319 10% Oct 3, 2024
Italy OldSound
cv 1988 @ OldSound
6SN7GT TUNG-SOL VALVE 6180 5692 B65 13D2 CV1988 DOUBLE TRIODE PAIR AUDIO PREAMPLIFIER "VERY RARE SPECIAL TYPE" NOS/NIB Italy OldSound €389 Sep 25, 2025
Italy OldSound
cv 1988 @ OldSound
6SN7GT RCA VALVE PAIR 33S30B 5692 B65 13D2 CV1988 DOUBLE TRIODE AUDIO PREAMPLIFIER "GRAPHITED GLASS" NOS/NIB Italy OldSound €495 211% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT FIVRE 33S30B 5692 B65 13D2 CV1988 VALVE PAIR DOUBLE TRIODE AUDIO PREAMPLIFIER SUPER SOUND NOS/NIB Italy OldSound €369 4% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT SYLVANIA JAN CHS 33S30B 5692 B65 13D2 CV1988 ECC32 VALVE PAIR DOUBLE TRIODE AUDIO PREAMPLIFIER Italy OldSound €109 8% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GTB RCA TUBE PAIR 33S30B 5692 B65 13D2 CV1988 DOUBLE TRIODE AUDIO PREAMPLIFIER "BLACK PLATE" NOS/NIB Italy OldSound €319 10% Oct 3, 2024
Italy OldSound
cv 1988 @ OldSound
6SN7GT RCA VALVE PAIR 33S30B 5692 B65 13D2 CV1988 DOUBLE TRIODE AUDIO PREAMPLIFIER "GRAPHITED GLASS" NOS/NIB Italy OldSound €495 Dec 3, 2025
Italy OldSound
cv 1988 @ OldSound
6SN7GT MARCONI 33S30B 5692 B65 13D2 CV1988 ITALIA "ORIGINAL" DOUBLE TRIODE VALVE SUPER SOUND NOS/NIB AUDIO PREAMPLIFIER Italy OldSound €199 45% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT VT-231 RAYTHEON 33S30B 5692 B65 13D2 CV1988 ECC32 QUARTETTO VALVOLE DOPPIO TRIODO PREAMPLIFICATORE 100% OK Italy OldSound €499 0% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT FIVRE 33S30B 5692 B65 13D2 CV1988 VALVE PAIR DOUBLE TRIODE PREAMPLIFIER AUDIO HIGH QUALITY SOUND NOS/NIB Italy OldSound €841 50% Nov 17, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT MARCONI 33S30B 5692 B65 13D2 CV1988 ITALIA "ORIGINAL" DOUBLE TRIODE VALVE SUPER SOUND AUDIO PREAMPLIFIER 100% OK Italy OldSound €94 36% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT MARCONI SPA 33S30B 5692 B65 13D2 CV1988 ITALY COUPLE VALVE DOUBLE TRIODE AUDIO PREAMPLIFIER SUPER SOUND 100% OK Italy OldSound €264 41% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT FIVRE VALVE 33S30B 5692 B65 13D2 CV1988 DOUBLE TRIODE PREAMPLIFIER PAIR "BAKELITE BASE" AUDIO SUPER SOUND 100% OK Italy OldSound €309 Sep 23, 2025
Italy OldSound
cv 1988 @ OldSound
6SN7GT BRIMAR BVA 33S30B 5692 B65 13D2 CV1988 MADE in ENGLAND DOUBLE TRIODE VALVE AUDIO PREAMPLIFIER - RARE - 100% OK Italy OldSound €237 5% Jan 12, 2024
Italy OldSound
cv 1988 @ OldSound
6SN7GT BRIMAR BVA 33S30B 5692 B65 13D2 CV1988 MADE in ENGLAND DOUBLE TRIODE VALVE AUDIO PREAMPLIFIER - RARE - 100% OK Italy OldSound €149 Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
5692 RCA 33S30B 6SN7GT B65 13D2 CV1988 ECC32 CEI VALVE DOUBLE TRIODE AUDIO PREAMPLIFIER HIGH QUALITY NOS/NIB Italy OldSound €279 8% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT BRIMAR BVA STC 33S30B 5692 B65 13D2 CV1988 MADE in ENGLAND DOUBLE TRIODE VALVE AUDIO PREAMPLIFIER - RARE - 100% OK Italy OldSound €404 10% Jan 12, 2024
Italy OldSound
cv 1988 @ OldSound
6SN7GT MARCONI SpA VALVE 33S30B 5692 B65 13D2 CV1988 ITALY ORIGINAL DOUBLE TRIODE AUDIO PREAMPLIFIER SUPER SOUND 100% OK Italy OldSound €149 Jan 12, 2024
Italy OldSound
cv 1988 @ OldSound
VT-231 SYLVANIA 6SN7GT 33S30B 5692 B65 13D2 CV1988 ECC32 VALVE PAIR DOUBLE TRIODE PREAMPLIFIER "RARE" AUDIO NOS/NIB Italy OldSound €419 7% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT MARCONI SPA 33S30B 5692 B65 13D2 CV1988 ITALY PAIR OF VALVE DOUBLE TRIODE AUDIO PREAMPLIFIER SUPER SOUND 100% OK Italy OldSound €279 35% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
5692 RCA 33S30B 6SN7GT B65 13D2 CV1988 ECC32 UNITED ELECTRONIC VALVE DOUBLE TRIODE AUDIO PREAMPLIFIER HIGH QUALITY NOS/NIB Italy OldSound €269 Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT SICTE S.I.C.T.E. VALVE VT-231 33S30B 5962 B65 13D2 CV1988 DOUBLE TRIODE AUDIO PREAMPLIFIER 100% Italy OldSound €79 Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT BRIMAR BVA -TUNGSRAM- PAIR OF VALVE 33S30B 5692 B65 13D2 CV1988 MADE ENGLAND DOUBLE TRIODE AUDIO PREAMPLIFIER 100%OK Italy OldSound €320 25% Jan 11, 2024
Italy OldSound
cv 1988 @ OldSound
VT-231 KEN-RAD 6SN7GT 33S30B 5692 B65 13D2 CV1988 ECC32 VALVE PAIR DOUBLE TRIODE PREAMPLIFIER "RARE" AUDIO NOS/NIB Italy OldSound €489 24% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
5692 RCA 33S30B 6SN7GT B65 13D2 CV1988 ECC32 VALVE PAIR UNITED ELECTRONIC DOUBLE TRIODE AUDIO PREAMPLIFIER HIGH QUALITY NOS/NIB Italy OldSound €559 5% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT SICTE S.I.C.T.E. VT-231 33S30B 5962 B65 13D2 CV1988 VALVE PAIR DOUBLE TRIODE AUDIO PREAMPLIFIER 100% Italy OldSound €99 Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7 GT ARCTURUS (TUNG-SOL) 33S30B 5692 B65 13D2 CV1988 ECC32 VALVE PAIR DOUBLE TRIODE TOP SOUND AUDIO PREAMPLIFIER 100% OK Italy OldSound €359 18% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
6SN7GT SICTE S.I.C.T.E. VT-231 33S30B 5962 B65 13D2 CV1988 VALVE DOUBLE TRIODE AUDIO PREAMPLIFIER NOS/NIB Italy OldSound €159 Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
VT-231 KEN-RAD 6SN7GT 33S30B 5692 B65 13D2 CV1988 ECC32 VALVE PAIR DOUBLE TRIODE PREAMPLIFIER "RARE" AUDIO 100% OK Italy OldSound €429 27% Sep 1, 2023
Italy OldSound
cv 1988 @ OldSound
VT-231 KEN-RAD 6SN7GT 33S30B 5692 B65 13D2 CV1988 ECC32 PAIR OF DOUBLE TRIODE VALVE PREAMPLIFIER "RARE" AUDIO 100% OK Italy OldSound €439 6% Jan 12, 2024
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