fu50

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Product

Site

Price

Listed

(3) Russian/Chinese Vacuum Tube FU50 - GU50 (FU-50 GU-50) Power Pentode

$49 Apr 29, 2025

SWEET PEACH FU-50 Vacuum Tube Amplifier Used Tested Works Good Condition

$1,045 Nov 19, 2025

Platinum matched quad GU50 NOS NIB (FU50, LS50)

$49 Dec 17, 2021

Jaspertronics™ Lamp & Housing for Hitachi HCP-FU50 Projectors - 1 Year Warranty

$124 May 22, 2025

Jaspertronics™ Lamp & Housing for Hitachi HCP-FU50H Projectors - 1 Year Warranty

$124 May 22, 2025

AL™ Series Lamp & Housing for The Hitachi HCP-FU50 Projector - 90 Day Warranty

$59 May 13, 2025

FU50 NOS VACUUM TUBE VALVE ELECTRON RY50 FU-50 FU15 GU50 LS50 PENTHODE ROHRE

$8 Dec 16, 2021

10x GU-50 / LS-50 / FU-50 USSR Russian POWER PENTODE (NEW, NOS, OTK)

$134 Dec 16, 2021

AL™ Series Lamp & Housing for The Hitachi HCP-FU50H Projector - 90 Day Warranty

$59 May 13, 2025

6J8P FU50 Small 300B Spartan F1 Tube Amplifier without Bluetooth

$401 Apr 19, 2025

4x GU-50 / LS-50 / FU-50 USSR Russian POWER PENTODE (NEW NOS OTK MATCHED DATE)

$59 Dec 16, 2021

12x GU-50 / LS-50 / FU-50 USSR Russian POWER PENTODE (NEW, NOS, OTK) old stock

$69 Jul 19, 2022

Fu50 Vacuum Tube Amplifier Diy Kit Single Ended Class A Tube Amplifier 10W+10w

$289 Mar 6, 2022

Single Ended FU50 6N8P Tube Amplifier 13W*2 Kit Assembled Amp HIFI Audio

$228 Sep 20, 2023

Single Ended FU50 6N8P Tube Amp 13W+13W Kit Assembled Amp HIFI Audio

$228 Jan 17, 2024

GU-50 = FU-50, LS-50 Power Pentode Tube Ulyanovsk Soviet MATCHED DATE

$9 May 16, 2025

6J8P FU50 Small 300B Spartan F1 Tube Amplifier 8W+8W Finished Power Amplifier

$400 Aug 5, 2025

6J8P FU50 Small 300B Spartan F1 Tube Amplifier 8W+8W Finished Power Amplifier

$399 Jul 10, 2025

6J8P FU50 Small 300B Spartan F1 Tube Amplifier 8W+8W Finished Power Amplifier

$419 Dec 15, 2021

6J8P FU50 Small 300B Spartan F1 Tube Amplifier 8W+8W Finished Power Amplifier

$400 Jun 16, 2025

6J8P FU50 Small 300B Spartan F1 Tube Amplifier 8W+8W Finished Power Amplifier

$438 Aug 30, 2024

6J8P FU50 Small 300B Spartan F1 Tube Amplifier 8W+8W Finished Power Amplifier

$380 Aug 29, 2025

6J8P FU50 Small 300B Spartan F1 Tube Amplifier 8W+8W Finished Power Amplifier

$383 Nov 15, 2023

6J8P FU50 Small 300B Spartan F1 Tube Amplifier 8W+8W，Finished Power Amplifier

$438 Aug 30, 2024

1pc 10W tube amplifier transformer 3.5K single-ended suitable for 6P3P FU7 FU50

$58 Sep 12, 2024

1PC 10W tube amplifier transformer 3.5K single-ended suitable for 6P3P FU7 FU50

$64 Jun 30, 2023

1Pcs10W tube amplifier transformer 3.5K single-ended suitable for 6P3P FU7 FU50

$75 Oct 23, 2023

NEW 6J8P FU50 Small 300B Spartan F1 Tube Amp 8W+8W Finished Power Amplifier

$417 Apr 11, 2024

1pcs10W tube amplifier transformer 3.5K single-ended suitable for 6P3P FU7 FU50

$65 Jul 20, 2024

Platinum matched pair GU50 ( FU50 ) NOS NIB

$29 Jan 1, 2022

2 x GU-50 = FU-50, LS-50 Power Pentode Tubes Ulyanovsk Soviet MATCHED DATE

$18 May 16, 2025

6J8P FU50 Small 300B Spartan F1 Tube Amplifier 8W+8W Finished Power Amp BT5.0

$418 Aug 29, 2025

FU50 VACUUM PENTODE AUDIO AMPLIFIER TUBE GU50 LS50

$9 Mar 20, 2024

NOS Tube Lot For HiFi Stereos, Guitar Amps, Etc. FU50, 6n3p, 6n1p, 6h9c, 1579.

$129 Nov 28, 2024

2PCS 8pin Vacuum Tube Socket For FU-50 FU15 GU-50 LV3 5U8C GU-15 Chassis Mount

$13 Mar 18, 2025

Vintage AMP DIY 8pin B8S Ceramic Vacuum Tubes Sockets for FU50,GU-50 FU-15“iy

Vintage AMP DIY 8pin B8S Ceramic Vacuum Tubes Sockets for FU50,GU-50 FU-15“iy

$4 Oct 16, 2025

1x GU-50 / LS-50 / FU-50 POWER PENTODE (NEW, NOS, BOXED)

$19 Dec 16, 2021

Vintage AMP DIY 8pin B8S Ceramic Vacuum Tube Socket forFU50, GU-50 FU-15 5.di

€4 Oct 7, 2025
- Dec 26, 2025

Vintage AMP DIY 8pin B8S Ceramic Vacuum Tube Socket forFU50, GU-50 FU-15 5.di

€4 Nov 13, 2025
- Dec 26, 2025

Vintage AMP DIY 8pin B8S Ceramic Vacuum Tube Socket forFU50, GU-50 FU-15 5.di

€4 Oct 18, 2025
- Dec 26, 2025

Vintage AMP DIY 8pin B8S Ceramic Vacuum Tube Socket forFU50, GU-50 FU-15 5.d _wa

€3 Dec 2, 2025
- Dec 26, 2025

Vintage AMP DIY 8pin B8S Ceramic Vacuum Tube Socket forFU50, GU-50 FU-15 5.d _wo

€5 Oct 18, 2025
- Dec 26, 2025

FU50 GU50 LS50 8 Pinnen Keramik elektronenröhre Gehäuse Buchse Mit Gold Kontakte

€4 Jan 30, 2024
- Dec 26, 2025

FU50 Pentode elektronenröhre Rohr für Audio Hifi Verstärker NOS GU50 LS50 RF

€16 Dec 15, 2021
- Dec 26, 2025

Platinum matched pair (2 tubes) GU50 ( FU50 ) NOS NIB Unopened Soviet Army boxes

$29 Sep 15, 2024

FU50 GU50 LS50 8 Broche Céramique tube électronique Châssis Prise avec Or Plaqué

€5 Jan 30, 2024
- Dec 26, 2025

12V Switching Power Supply Adapter ALD08-12FU 50/60Hz Black (B101)

$10 Feb 20, 2024