TELEFUNKEN AD1

TELEFUNKEN AD1
Mono plate triode, made by Telefunken-Germany in the 1930's. Called the "Queen of  the European Triodes", the AD1 seems to be a sort of 4-volt version of the 2A3. We have 1 piece only in NOS and pristine condition. For such an archaic tube tested very strong on the tester Taylor 45C where the GM 5.00mA/v = 100%.

Price : US$ 990,00 

TUNGSRAM AD1

TUNGSRAM AD1
Mono plate triode, made by Tungsram-Hungary in the 1940's. Called the "Queen of  the European Triodes", the AD1 seems to be a sort of 4-volt version of the 2A3. We have 4 pcs in NOS and pristine condition with original boxes. All tested excellent on the tester Taylor 45C where the GM 5.00mA/v = 100%.

Prices :
Tube-1: US$ 669,00
Tube-2: US$ 690,00
Tube-3: US$ 690,00
Tube-4: US$ 690,00

 

Marconi MWT B65 Metal Base

Marconi MWT B65 Metal Base
Extremely rare British tube, especially in such a pristine condition. These military spec tubes were made by Marconi's Wireless Telegraph Co. Ltd. Chelmsford England (MWT) in 1950's and packed in 1966. One of the audiophile legends!

Quantity in Stock : 13 pcs
Price : US$ 820,00/each ; US$ 1690,00/matched pair  

 

SYLVANIA VT-25A / 10Y Singles

SYLVANIA VT-25A / 10Y Singles
VT-25A/10Y is one of the early high vacuum triode tube suitable for use as an audio-frequency amplifier. These Sylvania singles have identical internals with Long Anode Plate w/Oxide Coated Filament, single bottom getter.
Tested on the Amplitrex AT-1000 tester with reference to the following manufacturers tube data :

Va = 250v

Vg = 18,5v

Vh = 7,2v

Ia = 10,0mA (corresponding to 100%)

Test scores are labeled on the bases.

 

Prices :

Tube -1 @ US$ 135,00

Tube -2 @ US$   89,00

 

SYLVANIA VT-25A / 10Y Pairs

SYLVANIA VT-25A / 10Y Matched Pairs
VT-25A/10Y is one of the early high vacuum triode tube suitable for use as an audio-frequency amplifier. These Sylvania  pairs have identical internals with Long Anode Plate w/Oxide Coated Filament, single bottom getter.
Tested on the Amplitrex AT-1000 tester with reference to the following manufacturers tube data :

Va = 250v

Vg = 18,5v

Vh = 7,2v

Ia = 10,0mA (corresponding to 100%)

Test scores are labeled on the bases.

 

Matched Pair-1 @ US$ 299,00

Matched Pair-1 Test Data

 

 

Matched Pair-2 @ US$ 299,00

Matched Pair-2 Test Data

 

 

SYLVANIA VT-25 / 10 Pairs

SYLVANIA VT-25 / 10 Pairs
VT-25/10 is one of the early high vacuum triode tube suitable for use as an audio-frequency amplifier. These Sylvania  pairs have identical internals and are Thoriated Tungsten Filament type with the warm bring glow that looks really stunning in any audio amplifier. Tested on the Amplitrex AT-1000 tester with reference to the following manufacturers tube data :

Va = 250v

Vg = 18,5v

Vh = 7,2v

Ia = 10,0mA (corresponding to 100%)

Test scores are labeled on the bases.

Matched Pair @ US$ 210,00

Matched Pair Test Data



Sylvania @ US$ 85,00 & GE @ US$ 99,00

Sylvania & GE VT-25 Test Data



Matched Pair (1 w/National label) @ US$ 230,00

Matched Pair (1 w/National label) Test Data

HYTRON VT-25 / 10 Pair

HYTRON VT-25 / 10 Pair
VT-25/10 is one of the early high vacuum triode tube suitable for use as an audio-frequency amplifier. These two Hytron tubes have identical internals and are Thoriated Tungsten Filament type with the warm bring glow that looks really stunning in any audio amplifier. These tubes have been tested on the Amplitrex AT-1000 tester with reference to the following manufacturers tube data :

Va = 250v

Vg = 18,5v

Vh = 7,2v

Ia = 10,0mA (corresponding to 100%)

Test scores are labeled on the bases.

Hytron VT-25

Hytron VT-25 Test Data

 

Prices :

Tube-1 : US$ 72,00

Tube-2 : US$ 95,00

VT-25 / 10 Sylvania and Hytron Singles

VT-25 / 10 Sylvania and Hytron Singles
One of the early high vacuum triode tube suitable for use as an audio-frequency amplifier. We have 4 single tubes as seen in the pics. These are all Thoriated Tungsten Filament type with the warm bring glow that looks really stunning in any audio amplifier. These tubes have been tested on the Amplitrex AT-1000 tester with reference to the following manufacturers tube data :

Va = 250v

Vg = 18,5v

Vh = 7,2v

Ia = 10,0mA (corresponding to 100%)

Test scores are labeled on the bases.

 

Prices : 

 

Tube-1 : Sylvania VT-25 w/dual bottom getter @ US$ 89.00

Tube-2 : Sylvania VT-25 w/single bottom getter @ US$ 69.00

Tube-3 : Hytron VT-25 w/single bottom square getter @ US$ 89.00

Tube-4 : Hytron VT-25 w/single bottom drum getter @ US$ 99.00

 

TELEFUNKEN 5654 / 6AK5W (<>)

TELEFUNKEN 5654 / 6AK5W (<>)
A miniature 7-pin sharp-cutoff pentode. Very popular tube for head phone amplifiers and tube buffers such as Little Dot amps, Yaqin CDs, Grant Fidelity, Dark Voice, Maverick, Yamomoto and Telefunken CU-29 Copperhead Mic. These tubes have diamond mark in the base and German Government Falcon logo.

Quantity in Stock : 39 pcs

Price : US$ 19.00/each ; US$ 40,00/matched pair 

TELEFUNKEN ECC802S (<>) W. Germany

TELEFUNKEN ECC802S (<>) W. Germany
These are labeled as Siemens 12AU7. The best ECC82/12AU7 variant ever made. Up for sale in pristine condition.

Quantity in Stock : 7 pcs
Price : US$ 365,00/each ; US$ 750,00/matched pair