Preamp
Hand-tested preamp vacuum tubes. Available in Mu (gain) matched sets. For balancing, please leave a note on your order with your request.
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On Sale
Tests NOS Unknown USA 12BH7A Black OVAL Plate Top O Get Vacuum Tube 100+%
Unknown
Now: $31.46Was: $34.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHSÂ Tube Type / Number: 12BH7AActual Brand*: UnknownPrinted BrNow: $31.46Was: $34.95 -
On Sale
Tests NOS Sylvania USA 12BH7A Grey OVAL Plate Top O Get Vacuum Tube 100+%
Sylvania
Now: $62.96Was: $69.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHSÂ Tube Type / Number: 12BH7AActual Brand*: SylvaniaPrinted BNow: $62.96Was: $69.95 -
On Sale
![Tests NOS Sylvania USA 12BH7A Grey OVAL Plate Top [] Get Vacuum Tube](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/57787/61311/VT2298__34854.1601413728.JPG?c=2 "Tests NOS Sylvania USA 12BH7A Grey OVAL Plate Top [] Get Vacuum Tube")
Tests NOS Sylvania USA 12BH7A Grey OVAL Plate Top [] Get Vacuum Tube
Sylvania
Now: $62.96Was: $69.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHSÂ Tube Type / Number: 12BH7AActual Brand*: SylvaniaPrinted BNow: $62.96Was: $69.95 -
On Sale
![Sylvania USA 12BH7A Grey OVAL Plate Top [] Get Vacuum Tube 132/83%](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/57784/61308/VT2276__46293.1601413727.JPG?c=2 "Sylvania USA 12BH7A Grey OVAL Plate Top [] Get Vacuum Tube 132/83%")
Sylvania USA 12BH7A Grey OVAL Plate Top [] Get Vacuum Tube 132/83%
Sylvania
Now: $35.96Was: $39.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHSÂ Tube Type / Number: 12BH7AActual Brand*: SylvaniaPrinted BNow: $35.96Was: $39.95 -
On Sale
![Tests NOS Sylvania USA 12BH7A Grey OVAL Plate Top [] Get Vacuum Tube 100+%](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/57785/61309/VT2257__78048.1634230441.JPG?c=2 "Tests NOS Sylvania USA 12BH7A Grey OVAL Plate Top [] Get Vacuum Tube 100+%")
Tests NOS Sylvania USA 12BH7A Grey OVAL Plate Top [] Get Vacuum Tube 100+%
Sylvania
Now: $62.96Was: $69.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHSÂ Tube Type / Number: 12BH7AActual Brand*: SylvaniaPrinted BNow: $62.96Was: $69.95 -
On Sale
![Tests NOS Raytheon USA 12BH7A Black OVAL Plate Top [] Get Tall Vacuum Tube 100+%](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/57707/61231/VT2555__43362.1601413682.JPG?c=2 "Tests NOS Raytheon USA 12BH7A Black OVAL Plate Top [] Get Tall Vacuum Tube 100+%")
Tests NOS Raytheon USA 12BH7A Black OVAL Plate Top [] Get Tall Vacuum Tube 100+%
Raytheon
Now: $49.46Was: $54.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHSÂ Tube Type / Number: 12BH7AActual Brand*: RaytheonPrinted BNow: $49.46Was: $54.95 -
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Tests NOS Matched Quad (4) GE US 12BH7A Grey OVAL Plate Fat D Get Vacuum Tubes
GE
Now: $251.96Was: $279.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHSÂ Tube Type / Number: 12BH7AActual Brand*: GEPrinted Brand:Now: $251.96Was: $279.95 -
On Sale
Tests NOS Matched Quad (4) GE USA 12BH7A Grey OVAL Plate Fat D Get Vacuum Tubes
GE
Now: $251.96Was: $279.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHSÂ Tube Type / Number: 12BH7AActual Brand*: GEPrinted Brand:Now: $251.96Was: $279.95 -
On Sale
Tests NOS Matched Quad (4) GE 12BH7A Grey OVAL Plate Top Fat D Get Vacuum Tubes
GE
Now: $251.96Was: $279.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHSÂ Tube Type / Number: 12BH7AActual Brand*: GEPrinted Brand:Now: $251.96Was: $279.95 -
On Sale
Tests NOS Matched Pair GE USA 12BH7A Grey OVAL Plate Large D Get Vacuum Tubes
GE
Now: $116.96Was: $129.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHSÂ Tube Type / Number: 12BH7AActual Brand*: GEPrinted Brand:Now: $116.96Was: $129.95 -
On Sale
Tests NOS Matched Pair GE US 12BH7A Grey OVAL Plate Fat D Get Vacuum Tubes
GE
Now: $116.96Was: $129.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHSÂ Tube Type / Number: 12BH7AActual Brand*: GEPrinted Brand:Now: $116.96Was: $129.95 -
On Sale
Tests NOS Matched Pair GE USA 12BH7A Grey OVAL Plate Fat D Get Vacuum Tubes
GE
Now: $116.96Was: $129.95ATTENTION INTERNATIONAL BUYERS - Please Read Our Shipping Terns, Standard Shipping can take up to 3 MONTHSÂ Tube Type / Number: 12BH7AActual Brand*: GEPrinted Brand:Now: $116.96Was: $129.95