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 

SIEMENS E82CC / 5814A / 12AU7WA Triple Mica Short Plates

SIEMENS E82CC / 5814A / 12AU7WA Triple Mica Short Plates
Made by Siemens & Halske in the 1960's. Excellent piece of German engineering! Very dynamic, linear, airy sound with strong extended bass. One of the top best 12AU7/ECC82 variant. Recommended for dull sounding systems and all phono stages due its ultra low noise floor and zero microphony.

1) Matched Pair of Siemens & Halske E82CC W. Germany Triple Mica NOS/NIB @ US$ 180,00















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2) Matched Pair of Siemens & Halske 5814A W. Germany Triple Mica NOS/NIB @ US$ 160,00



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3) Siemens & Halske E82CC W. Germany Triple Mica NOS/NIB @ US$ 85,00


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4) Siemens & Halske 12AU7WA W. Germany Triple Mica NOS/NIB @ US$ 85,00

BRIMAR 12AU7 Long Plates Clear Top

BRIMAR 12AU7 Long Plates Clear Top
Made by Thorn-Brimar in England. Very scarce type with long plates, clear top and side O-getter. Sound wise similar to the other long plate Brimars.

Quantity in Stock : 7 pcs
Price : US$ 56,00/each ; US$ 115,00/matched pair 

BRIMAR ECC82 / 12AU7 Short Gray Plates

BRIMAR ECC82 / 12AU7 Short Gray Plates
Made by Footscray factory of Thorn-Brimar. These are from 1960's with short gray ribbed plates and O-getter. Similar internal construction to the Holland makes. Clear, balanced and smooth sounding tubes. Please indicate the item number when you order.

1) Matched Pair of Brimar 12AU7/ECC82 Early 1960's in original boxes @ US$ 108,00

 

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2) Matched Pair of Brimar ECC82 1960's in original boxes @ US$ 98,00

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3) Matched Trio of Brimar 12AU7 1960's in white boxes @ US$ 150,00

 

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4) Matched Pair of Brimar ECC82 1960's in white boxes @ US$ 90,00