Tubes for power amplifiers - second-hand & new

Various / Other 1 Paar 211 gematcht, NOS JAN Made In usa GE indication From General electronic
Tubes for power amplifiers

Dealer

Germany (14612)

1,280.00 €

Yesterday, 09:30

1 PAAR NOS JAN 211 Röhren, gematcht, The 211 tubes are NOS JAN Made In USA GE indication From General ...

Tung-Sol 2A3 MONO PLATE
Tubes for power amplifiers

Private

Germany (31275)

1,300.00 €

02.12.2025, 16:32

Biete ein gematchtes PAAR aus Sammlung an: TUNG-SOL 2A3 Black Mono Plate, engraved signature NOS. Ein ...

Svetlana power tubes 572-10
Tubes for power amplifiers

Private

Germany (53721)

400.00 €
Original price: 478.00 €

02.12.2025, 11:41

Verkaufe 4 gematchte Svetlana Röhren SV 572-10.Die Röhren habe ich als Ersatz für meinen Unison S9 angeschafft.Da ...

Psvane Tubes Psvane WE300B+ PLUS, ein PAAR *KRYO* Sonderpreis 1099,- €
Tubes for power amplifiers

Dealer

Germany (16845)

1,099.00 €
Original price: 1,399.00 €

01.12.2025, 14:21

"Psvane WE300B+ PLUS, ein PAAR in exklusiven Präsentkartons" *KRYO* SUPER SPECIAL 10 YEAR ANNIVERSARY ...

Electro Harmonix Electro-Harmonix Gold 300B Gold Grid - Platinum Matched + *CRYO*
Tubes for power amplifiers

Dealer

Germany (16845)

299.00 €

01.12.2025, 14:21

Electro-Harmonix Gold 300B Gold Grid - Platinum Matched + *CRYO* EH Gold tubes are all new designs ...

Various / Other EY88 *KRYO*
Tubes for power amplifiers

Dealer

Germany (16845)

10.00 €

01.12.2025, 14:21

Top-Features: Kryogenisierte Booster-Diode Sockel: B9A, NOVAL 9-polig Heizspannung: 6,3 V ...

Various / Other Tungsol 6550
Tubes for power amplifiers

Dealer

Netherlands (8241AK)

50.00 €

30.11.2025, 06:09

Nice opportunity ! Tungsol 6550. Have been measured with both Amplitrex 1000 and Beck RM1. Measured ...

Tung-Sol TUNG SOL 6550 QUAD MATCHED AND EL34B QUAD MATCHED POWER TUBES TOTAL 8 TUBES
Tubes for power amplifiers

Private

Greece (17672)

300.00 €
Original price: 550.00 €

29.11.2025, 12:35

TUNG SOL 6550 QUAD MATCHED AND EL34B QUAD MATCHED POWER TUBES TOTAL 8 TUBES For sale are two(2) Quad ...

Various / Other GENALEX (GEC) KT66 smoke glass power tube Quartet (British made)
Tubes for power amplifiers

Private

Hungary (6000)

399.00 €

28.11.2025, 16:44

Genalex, GEC KT66 grey, smoke glass, black anode, vacuum tube quartet for sale. The best of the KT66 ...

Various / Other Osram PX25 VR40
Tubes for power amplifiers

Private

France (94300)

1,500.00 €
Original price: 1,800.00 €

28.11.2025, 14:45

The Offer is for a pair of PX25 VR40 NIB NOS. The best PX25 available. I’m selling those because ...

Siemens Valvo, ED Röhre, Poströhre, DHT, AD1, EBIII
Tubes for power amplifiers

Private

Austria (4553)

600.00 €

21.11.2025, 21:47

Verkaufe eine sehr schöne seltene Poströhre von Valvo Funke W19s getestet mit 55mA, gut beginnt bei ...

47 Laboratory GOLDEN DRAGON 845 - Endröhre ( Ersatzröhre )
Tubes for power amplifiers

Dealer

Germany (76275)

125.00 €

21.11.2025, 18:54

GOLDEN DRAGON 845 - Endröhre ( Ersatzröhre ) - leider nur noch 1 Stück - Bestandauflösung

Loewe AD1/400
Tubes for power amplifiers

Private

Austria (4553)

1,250.00 €

19.11.2025, 12:10

Sehr schönes stark gemessenes Paar AD1 von Loewe Funke W19s mit 57 und 58mA, gut beginnt bei 32mA, ...

Loewe AD1 400
Tubes for power amplifiers

Private

Austria (4553)

850.00 €

19.11.2025, 11:57

Ein sehr schönes sehr stark gemessenes Paar AD1/400 von Loewe Funke W19s gemessen mit 55 und 54mA wobei ...

Various / Other JJ KT88
Tubes for power amplifiers

Dealer

Netherlands (8241AK)

45.00 €

19.11.2025, 06:10

Nice opportunity. Have been measured with both Amplitrex 1000 and Beck RM1. Measured between 121 mA ...

Various / Other Svetlana EL34
Tubes for power amplifiers

Dealer

Netherlands (8241AK)

30.00 €

19.11.2025, 06:03

Nice opportunity. Have been measured with both Amplitrex 1000 and Beck RM1. Measured between 104 mA ...

Various / Other Svetlana KT88
Tubes for power amplifiers

Dealer

Netherlands (8241AK)

56.00 €

19.11.2025, 06:03

Nice opportunity. Have been measured with both Amplitrex 1000 and Beck RM1. Measured between 118 mA ...

Svetlana power tubes General Electric 6550A -last USA made NOS tubes-
Tubes for power amplifiers

Dealer

Netherlands (5431NV)

Price on request

18.11.2025, 06:09

Dieses Sonderangebot gilt für 32 General Electric 6550A-Röhren. Dies sind die allerletzten in den USA ...

Request: Joule Electra joule electra
All

Dealer

Germany (12524)

Price on request

17.11.2025, 06:17

Wir suchen von Firma Joule Electra Div Phono, preamp mit und ohne Phono

RCA 211 Pair 1941-1942
Tubes for power amplifiers

Dealer

Greece (17237)

2,200.00 €

17.11.2025, 06:04

We have a perfect pair of RCA 211 power tubes Date of production 1942-1942 . we accept Paypal payment's ...

Kondo 300B
Tubes for power amplifiers

Dealer

Germany (32105)

3,000.00 €
Original price: 3,000.00 €

15.11.2025, 06:17

Die Kondo 300B Röhren werden von Takatsuki nach Kondo Wünschen gefertigt. Es kommen Kondos legendäre ...

Takatsuki TA-300B Power Triode Vacuum Tubes NEW 25% OFF (2 sets of 2 available)
Tubes for power amplifiers

Dealer

Netherlands (7711EX)

1,999.00 €
Original price: 2,699.00 €

13.11.2025, 06:37

New with high 25% discount! Two sets of two Takatsuki TA-300B Power Triode Vacuum Tubes. They were still ...

Various / Other GE (GENERAL ELECTRIC) 6550A six pack NOS
Tubes for power amplifiers

Private

Netherlands (2316LD)

1,100.00 €

09.11.2025, 12:11

Aus einer Sammlung: Unbenutzte und selten angebotene GE 6550A-Röhren (NOS). Sechs Stück. Diese Röhren ...

Request: Stewart Filmscreen StudioTek 100 WallScreen
All

Private

Germany (54298)

Price on request

26.10.2025, 20:40

Ich suche eine Stewart StudioTek 100 WallScreen Rahmenleinwand im 16:9 Format mit mindestens 2,50m Breite ...

Various / Other 211 Monoblok eindversterkers
Tubes for power amplifiers

Private

Netherlands (Hoeven)

4,600.00 €
Original price: 6,000.00 €

20.10.2025, 19:57

Ich möchte Ihnen etwas darüber erzählen. Das Röhrensystem ist komplett neuwertig und von sehr hoher ...