Audio tubes von --- Diverse / Andere -- - second-hand & new

Various / Other M.W.T. KT66 tube - four new pieces
Tubes for power amplifiers

Private

Croatia (51000)

600.00 €

13.12.2025, 17:41

On offer is a quartet of new M.W.T. KT66 smoke glass lamps. All lamps have the same code. All lamps ...

Various / Other LM ERICSSON 2C51/396A - RYC22001 tube long life
Audio tubes

Private

Croatia (51000)

150.00 €

12.12.2025, 19:52

We offer a pair of very rare LM Ericsson 2C51/396A-RYC22001 long life lamps (D getter). The lamps are ...

Various / Other PERSONAL POWER TUBE COLLECTION AT SALE PRICES
Tubes for power amplifiers

Private

Romania (077025)

Price on request

10.12.2025, 21:40

PERSONAL TUBE COLLECTION AT SALE PRICES It's that time of year to make room for new things, ideas, ...

Various / Other PERSONAL RECTIFIERS COLLECTION AT SALE PRICES
Tubes for power amplifiers

Private

Romania (077025)

Price on request

10.12.2025, 21:33

PERSONAL TUBE COLLECTION AT SALE PRICES RECTIFIERS 1. GEC England / Brimar U52 (CV107, 5U4G): One ...

Various / Other PERSONAL PREAMP TUBE COLLECTION AT SALE PRICES
Tubes for preamplifiers

Private

Romania (077025)

Price on request

10.12.2025, 21:19

PERSONAL TUBE COLLECTION AT SALE PRICES It's that time of year to make room for new things, ideas, ...

Various / Other GEC KT88
Tubes for power amplifiers

Private

Serbia (11000)

1,800.00 €

08.12.2025, 13:04

Best KT88 tube of all time,NOS price is for set of 4pcs.

Various / Other General Electric - VT-4-C Röhren
Audio tubes

Dealer

Germany (14612)

480.00 €

05.12.2025, 06:31

Stückpreis ! mit Prüfprotokoll ! Telefon: 03322 2131655 Mobil: 0172 3844155 E-Mail: info@berlin-hifi.de

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 €

04.12.2025, 09:30

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

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 ...

Various / Other SHUGUANG BLACK TREASURE KT88-Z QUAD MATCHED POWER OUTPUT TUBES NEW
Audio tubes

Private

Greece (17672)

250.00 €

29.11.2025, 12:08

SHUGUANG BLACK TREASURE KT88-Z QUAD MATCHED POWER OUTPUT TUBES NEW Brand New in Original boxes with ...

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 Thomson CSF PTT244P
Tubes for preamplifiers

Private

France (94300)

1,600.00 €

28.11.2025, 14:50

I’m selling a box of PTT244P tubes that I bought a few years ago for €1,800. This tube replaced ...

Various / Other Osram PX25 VR40
Tubes for power amplifiers

Private

France (94300)

1,450.00 €
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 ...

Various / Other 6SN7 NOS
Tubes for preamplifiers

Dealer

Netherlands (8241AK)

125.00 €

19.11.2025, 06:16

6SN7 Tubes offered from our private collection: General Electric 6SN7GTB Side Getter Cleartop. 8,5 ...

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 Mullard GZ37/CV378
Tubes for preamplifiers

Dealer

Netherlands (8241AK)

250.00 €

19.11.2025, 06:09

Has been applied in Kondo Ongaku, among other amps. Rare. Have been measured with Amplitrex and show ...

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 ...

Various / Other Preamplifiers Tubes Mullard Brimar ECC81 ECC82 ECC83 12AX7 CV492 CV004 E88CC ECC88 E188CC CCa
Tubes for preamplifiers

Private

Italy (98168)

Price on request

07.11.2025, 14:20

Nice collection of preamplifier tubes I have collected over the last 30 years! Tubes of the best quality ...