triode amplifier

Emporium Hifi

Wellpak px4 single ended triode amplifier Emporium Hifi £4,000 Sep 29, 2023

Record Mart HIFI

WELBORNE LABS LAUREL 300B TRIODE AMPLIFIER Record Mart HIFI $2,750 8% Dec 30, 2024

US Audio Mart

Single Ended 5998a/421a Triode Amplifier US Audio Mart $1,950 Nov 30, 2025

US Audio Mart

Omega Super 3 High Output XRS Speakers and Kitoki Single Ended Triode Amplifier from Wolf Ear Audio US Audio Mart $1,799 5% Oct 6, 2025

US Audio Mart

Decware SE84UFO2.1 Triode Tube Amplifier US Audio Mart $2,000 Dec 7, 2025

Kleinanzeigen

Cayin CS 845 A röhren--verstärker - triode - tube--amplifier Kleinanzeigen €4,599 Jul 21, 2022

OldSound

45 MX MARVIN VALVOLA (small 2A3) 245 CV510 UX245 VT-45 145 AUDIO DHT POWER TRIODE AMPLIFIER USA 85% OK OldSound €49 Sep 17, 2025

SkyFi Audio

Jadis 845SE Triode Monoblock Amplifier Pair, Barely Used Sale price$19,990.00 SkyFi Audio - Aug 10, 2024

Canuck Audio Mart

Unison Research Triode 25 integrated tube amplifier Canuck Audio Mart CA$2,900 3% Dec 28, 2023

US Audio Mart

DEC Ware ZEN Triode SE 84 UFO Amplifier US Audio Mart $1,800 Dec 15, 2025

OldSound

OP70/1000 TUNGSRAM VALVE 75-1000 MC1/50 T1060 PAIR EXTREMELY RARE TRIODE DHT AMPLIFIER OUTPUT POWER (NOS) OVER 100% OldSound €1,799 Sep 25, 2023

Yahoo Auctions

[J]TRIODE VP-MINI tube amplifier Try o-do061128 Yahoo Auctions Auction bid
¥34 Dec 16, 2025

US Audio Mart

EL84 Single-Ended Stereo Amplifier - Triode/UL Switchable - 2 Input Channels - 24-Step Dale Precisio US Audio Mart $949 Sep 21, 2025

Yahoo Auctions

[ shop front selling together * used ]Triode pre-main amplifier TRV-88SE * used guarantee 6 months Yahoo Auctions Auction bid
¥120,100 Dec 9, 2025

Yahoo Auctions

[ shop front selling together * used ]Triode pre-main amplifier TRV-88SER * used guarantee 6 months Yahoo Auctions Auction bid
¥190,000 Nov 21, 2025

Reverb

UNISON RESEARCH Triode 25 - Stereo Integrated Tube Amplifier - NEW! $3,627 5% Apr 11, 2025

Reverb

Rare Triad HF-18A Triode/Pentode Tube Amplifier HSM-189 Output can use KT88/KT66 $899 40% Jun 13, 2024

Canuck Audio Mart

NIRARU PCL86 Single Ended Stereo 3-Watt Triode-Beam Power Tube Amplifier Canuck Audio Mart CA$400 58% May 22, 2025

OldSound

E140 SFR (Société Française du Radiotéléphon) TC04/10 OQ10/400 AUDIO AMPLIFIER TRIODE VALVE NOS/NIB OldSound €169 15% May 17, 2023

OldSound

RS241 TELEFUNKEN 4C5 E5 TUBE_Ducati (RE604 + / AD1) DHT TRIODE AUDIO POWER AMPLIFIER 90% OK OldSound €199 Jul 24, 2025

US Audio Mart

Triode Ruby Vacum Tube Intergrated Amplifier (100v step down required) US Audio Mart $550 27% Nov 4, 2025

OldSound

RE304 TELEFUNKEN VALVE KL71411 LK430 TRIODE DHT AUDIO POWER AMPLIFIER 100% OK OldSound €199 Sep 17, 2024

OldSound

E88CC TELEFUNKEN ⩤⩥ 6DJ8 ECC88 6922 7308 CV4108 CCa VALVE DOUBLE TRIODE AUDIO PRE-AMPLIFIER NOS/NIB OldSound €246 1% Sep 1, 2023

US Audio Mart

KT88 EL34 Single Ended Triode UL Stereo Vacuum Tube Amplifier US Audio Mart $979 Dec 13, 2025

OldSound

2A3 FIVRE VALVE CV1831 5930 VT-95 TUBES LEGENDARY "BLACK GRAPHITE" BI-PLATE DHT TRIODE AUDIO POWER AMPLIFIER 107% OK OldSound €599 Sep 15, 2025

OldSound

2A3 FIVRE VALVE CV1831 5930 VT-95 PAIR TUBES LEGENDARY "BLACK GRAPHITE" BI-PLATE DHT TRIODE AUDIO POWER AMPLIFIER 105% - 100% OldSound €1,199 Sep 15, 2025

OldSound

LK4112 VALVO E406N PX4110 OUT-PUT TRIODE VALVE AUDIO POWER AMPLIFIER +100% OK OldSound €281 30% Sep 1, 2023

Yahoo Auctions

TRIODE Pearl vacuum tube pre-main amplifier Try o-do Yahoo Auctions Auction bid
¥90,300 Sep 12, 2024

OldSound

C405 PHILIPS MINIWATT TUBE P430 E425 RE304 TRIODE DHT AUDIO POWER AMPLIFIER +100% OK OldSound €149 6% Aug 1, 2025

OldSound

6C33C OTK 6C33C-B 6C18C VALVE TRIODE IHT POWER Amplifier SPECIAL C-B MILITARY AUDIO AMPLIFICATION NOS/NIB OldSound €97 18% Jan 29, 2025

OldSound

2A3 RCA VT-95 CV1831 5930 VALVE "BLACK" BI-PLATE TRIODE DHT AUDIO POWER AMPLIFIER 80% OK OldSound €79 11% Jul 24, 2025

OldSound

RE604 TELEFUNKEN VALVE KL71414 LK460 D404 (AD1 RS241) TRIODE DHT AUDIO POWER AMPLIFIER 81% OK OldSound €289 9% Jun 22, 2025

OldSound

2A3 RCA CV1831 5930 VT-95 PAIR VALVE BI-PLATE "BLACK" TRIODE DHT AUDIO POWER AMPLIFIER 100% OK OldSound €269 13% Mar 30, 2025

OldSound

71A RCA UX171A CX71A 471A VALVE PAIR TRIODE DHT FINAL POWER AMPLIFIER AUDIO NOS/NIB OldSound €360 25% Sep 1, 2023

OldSound

2A3 RCA CV1831 5930 VT-95 VALVE PAIR BI-PLATE "BLACK/GRAPHITED" TRIODE DHT AUDIO POWER AMPLIFIER 100% OK OldSound €469 Mar 28, 2025

OldSound

2A3 TUNG-SOL (SECO Trademark) VALVE VT-95 CV1831 5930 BI-PLATE "BLACK" TRIODE DHT AUDIO POWER AMPLIFIER 80% OK OldSound €79 20% Jul 24, 2025

OldSound

RE604 TELEFUNKEN VALVE KL71414 LK460 D404 (AD1 RS241) TRIODE DHT AUDIO POWER AMPLIFIER "BALLOON" series 80% OK OldSound €279 7% Jun 21, 2025

OldSound

6B4G VISSEAUX 6C4C CV851 DHT TRIODE TUBE AUDIO POWER AMPLIFIER "RARE" Structure, BLACK PLATE 100% OK OldSound €94 Oct 28, 2025

OldSound

6DR7 TOSHIBA (MATSUSHITA prod.) DOUBLE TRIODE AUDIO VALVE OSCILLATOR and AMPLIFIER USE "BORDER PATROL" NOS/NIB OldSound €14 Feb 22, 2025

Yahoo Auctions

TRIODE vacuum tube pre-main amplifier TRV-88SE Try o-do[ Junk ]25J north NS2 Yahoo Auctions Auction bid
¥45,000 Oct 6, 2025

OldSound

602 (aka E406 PHILIPS - 2A3 design-structure) VISSEAUX VERY RARE QUARTET TRIODE DHT POWER SUPPLY AUDIO AMPLIFIER NOS? OldSound €1,372 15% Sep 1, 2023

OldSound

6B4G INTERNATIONAL MACHINER (RCA) 6С4С CV851 TRIODE VALVE DHT AUDIO POWER AMPLIFIER NOS/NIB OldSound €54 32% Sep 1, 2023

OldSound

6B4G SYLVANIA 6С4С CV851 VALVE QUAD TRIODE DHT POWER OUTPUT AUDIO AMPLIFIER NOS/NIB OldSound €289 9% Jun 14, 2025

OldSound

6B4G SYLVANIA 6С4С CV851 VALVE PAIR TRIODE DHT POWER ULTIMATE AUDIO AMPLIFIER NOS/NIB OldSound €183 43% Sep 1, 2023

OldSound

RE604 TELEFUNKEN KL71414 LK460 D404 (AD1 RS241) TRIODE VALVE DHT AUDIO POWER AMPLIFIER +108% OK OldSound €515 14% Mar 15, 2025

OldSound

RE604 TELEFUNKEN KL71414 LK460 D404 (AD1 RS241) TRIODE VALVE DHT AUDIO POWER AMPLIFIER 95-100% OK OldSound €489 17% Sep 1, 2023

OldSound

KL71403 TELEFUNKEN VALVE RE604 KL71414 LK460 D404 (AD1 RS241) TRIODE VALVE DHT AUDIO POWER AMPLIFIER 90% OK OldSound €349 13% Jun 22, 2025

OldSound

VT62 801 801A TAYLOR VALVE 10 10Y VT25 TRIODE DHT HIGH QUALITY POWER AMPLIFIER or AUDIO DRIVER AMPLIFICATION RARE NOS OldSound €349 Nov 5, 2025