triode power amplifier

OldSound

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

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

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

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

Canuck Audio Mart

FOR SALE or TRADE: NIRARU PCL86 Single Ended Stereo 3-Watt Triode-Beam Power Tube Amplifier Canuck Audio Mart CA$600 37% May 22, 2025

OldSound

C405 PHILIPS MINIWATT TUBE P430 E425 RE304 TRIODE DHT AUDIO POWER AMPLIFIER +100% OK OldSound €149 6% Aug 1, 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 84% OK OldSound €249 22% 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

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

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

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

OldSound

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

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

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

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

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

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

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

OldSound

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

Yahoo Auctions

*A4 propeller catalog *TRIODE A class power amplifier TRX-P300S*TRX-P300S-WE300B catalog * catalog. * product body is not * including in a package responds to the consultation * Yahoo Auctions Auction bid
¥600 Mar 26, 2021

OldSound

VT62 801 801A RCA VALVE 10 10Y VT25 PAIR TRIODE DHT HIGH QUALITY POWER AMPLIFIER or AUDIO DRIVER AMPLIFICATION RARE NOS OldSound €689 Nov 12, 2025

Yahoo Auctions

[ shop front selling together secondhand goods ] tube lamp type stereo power amplifier Triode TRX-P300S(WE300B specification ) Try o-do221727 Yahoo Auctions Auction bid
¥239,800 Dec 19, 2025

Yahoo Auctions

selling out **! new goods stock goods * vacuum tube * power amplifier Manufacturers *TRIODE* Try o-do*20 anniversary commemoration * Anniversary * sticker (12.) Yahoo Auctions Auction bid
¥980 Nov 11, 2025

OldSound

ECLL800 ITT 6KH8 ECLL80E VALVE TRIODE + DOUBLE TETRODE OUTPUT POWER PUSH-PULL AMPLIFIER NOS/NIB OldSound €79 Sep 1, 2023

OldSound

ECLL800 LORENZ ITT 6KH8 ECLL80E VALVE TRIODE + DOUBLE TETRODE OUTPUT POWER PUSH-PULL AMPLIFIER NOS/NIB OldSound €79 Sep 1, 2023