Telefunken EF804S
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Product
Site
Price
Listed
Yahoo Auctions
vacuum tube TELEFUNKEN EF804S <> mark near mint pair (2pcs.)
Yahoo Auctions
Auction bid
¥12,804 Feb 9, 2026
Yahoo Auctions
Auction bid¥12,804 Feb 9, 2026
Den Blå Avis
Telefunken ef804s special selected version
Den Blå Avis
DKK 600
Jan 11, 2026
Den Blå Avis
DKK 600
Jan 11, 2026
Yahoo Auctions Taiwan
Telefunken 德律風根 EF804S , 真空管一只
Yahoo Auctions Taiwan
NT$2,250
Dec 13, 2025
Yahoo Auctions Taiwan
NT$2,250
Dec 13, 2025
OldSound
EF804 TELEFUNKEN EF804S PENTODE VALVE "SILVER PLATE + CERTIFICATION" AUDIO PREAMPLIFIER NOS/NIB
OldSound
€169
Dec 7, 2023
OldSound
€169
Dec 7, 2023
OldSound
EF804S TELEFUNKEN EF804 "SPECIAL + CERTIFICAZIONE" PENTODE VALVE AUDIO PREAMPLIFIER NOS/NIB
OldSound
€249
Dec 6, 2023
OldSound
€249
Dec 6, 2023
OldSound
EF804 TELEFUNKEN EF804S PENTODE VALVE "HIGH PLATE + CERTIFICATION" AUDIO PREAMPLIFIER NOS/NIB
OldSound
€179
Dec 6, 2023
OldSound
€179
Dec 6, 2023
OldSound
EF804 TELEFUNKEN EF804S PENTODE PAIR VALVE "SEALED + SAME CODES" AUDIO PREAMPLIFIER NOS/NIB
OldSound
€319
Dec 6, 2023
OldSound
€319
Dec 6, 2023
OldSound
EF804 TELEFUNKEN EF804S PENTODE PAIR VALVE "SILVER PLATE" AUDIO PREAMPLIFIER NOS/NIB
OldSound
€269
Dec 6, 2023
OldSound
€269
Dec 6, 2023
OldSound
EF804S TELEFUNKEN EF804 PENTODE PAIR VALVE "LONG LIFE-SPAN" AUDIO PREAMPLIFIER +100% OK
OldSound
€219
Dec 6, 2023
OldSound
€219
Dec 6, 2023
OldSound
EF804 TELEFUNKEN EF804S PENTODE VALVE "DIRECT CHECK by TELEFUNKEN" AUDIO PREAMPLIFIER 100% OK
OldSound
€59
Dec 5, 2023
OldSound
€59
Dec 5, 2023
OldSound
EF804 TELEFUNKEN EF804S PENTODE VALVE "SILVER PLATE" AUDIO PREAMPLIFIER NOS/NIB
OldSound
€159
Dec 5, 2023
OldSound
€159
Dec 5, 2023
OldSound
EF804 TELEFUNKEN EF804S PENTODE PAIR VALVE "SILVER PLATE" AUDIO PREAMPLIFIER 100% OK
OldSound
€189
Dec 4, 2023
OldSound
€189
Dec 4, 2023
OldSound
EF804S TELEFUNKEN (AEG brand) EF804 "SPECIAL" PENTODE VALVE AUDIO PREAMPLIFIER 100% OK
OldSound
€69
Dec 4, 2023
OldSound
€69
Dec 4, 2023
OldSound
EF800 TELEFUNKEN CV5092 EF860 (≈ EF80 ≈ EF804S) VALVE PENTODE PREAMPLIFIER PROFESSINAL AUDIO NEUMANN NOS/NIB
OldSound
€69
42%
Nov 21, 2023
OldSound
€69
42%
Nov 21, 2023
OldSound
EF800 TELEFUNKEN CV5092 EF860 (≈ EF80 ≈ EF804S) VALVE PENTODE PREAMPLIFIER PROFESSINAL AUDIO NEUMANN NOS/NIB
OldSound
€97
18%
Nov 21, 2023
OldSound
€97
18%
Nov 21, 2023
OldSound
EF800 TELEFUNKEN CV5092 EF860 (≈ EF80 ≈ EF804S) VALVE PENTODE PREAMPLIFIER PROFESSINAL AUDIO NEUMANN NOS/NIB
OldSound
€89
25%
Nov 21, 2023
OldSound
€89
25%
Nov 21, 2023
OldSound
EF800 TELEFUNKEN CV5092 EF860 (≈ EF80 ≈ EF804S) VALVE PENTODE PREAMPLIFIER PROFESSINAL AUDIO NEUMANN SEALED NOS/NIB
OldSound
€139
18%
Nov 21, 2023
OldSound
€139
18%
Nov 21, 2023
OldSound
EF800 TELEFUNKEN CV5092 EF860 (≈ EF80 ≈ EF804S) PAIR VALVE PENTODE PREAMPLIFIER PROFESSINAL AUDIO NEUMANN NOS/NIB
OldSound
€170
32%
Nov 21, 2023
OldSound
€170
32%
Nov 21, 2023
OldSound
EF800 TELEFUNKEN CV5092 EF860 (≈ EF80 ≈ EF804S) VALVE PENTODE PREAMPLIFIER PROFESSINAL AUDIO NEUMANN NOS(?)
OldSound
€49
38%
Nov 17, 2023
OldSound
€49
38%
Nov 17, 2023
OldSound
EF800 TELEFUNKEN (SIEMENS Brand) CV5092 EF860 (≈ EF80 ≈ EF804S) VALVE PAIR PENTODE PREAMPLIFIER PROFESSINAL AUDIO NOS/NIB
OldSound
€139
28%
Nov 17, 2023
OldSound
€139
28%
Nov 17, 2023
OldSound
EF800 TELEFUNKEN CV5092 EF860 (≈ EF80 ≈ EF804S) VALVE PENTODE PREAMPLIFIER PROFESSINAL AUDIO NEUMANN NOS/NIB
OldSound
€89
31%
Nov 17, 2023
OldSound
€89
31%
Nov 17, 2023
OldSound
EF800 TELEFUNKEN CV5092 EF860 (≈ EF80 ≈ EF804S) VALVE PENTODE PREAMPLIFIER PROFESSINAL AUDIO NEUMANN NOS/NIB
OldSound
€89
36%
Nov 17, 2023
OldSound
€89
36%
Nov 17, 2023
OldSound
EF800 TELEFUNKEN CV5092 EF860 (≈ EF80 ≈ EF804S) VALVE "RARE" PAIR PENTODE PREAMPLIFIER PROFESSINAL AUDIO NOS/NIB
OldSound
€289
Nov 17, 2023
OldSound
€289
Nov 17, 2023
OldSound
EF800 TELEFUNKEN CV5092 EF860 (≈ EF80 ≈ EF804S) VALVE QUINTET PENTODE PREAMPLIFIER PROFESSINAL AUDIO 100% OK
OldSound
€199
20%
Nov 17, 2023
OldSound
€199
20%
Nov 17, 2023
OldSound
EF804S TELEFUNKEN EF804 "SPECIAL" PENTODE VALVE AUDIO PREAMPLIFIER NOS/NIB
OldSound
€129
54%
Sep 1, 2023
OldSound
€129
54%
Sep 1, 2023
OldSound
EF804 TELEFUNKEN EF804S PENTODE VALVE "SEALED" AUDIO PREAMPLIFIER NOS/NIB
OldSound
€109
85%
Sep 1, 2023
OldSound
€109
85%
Sep 1, 2023
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