Title: Lot of 20 used 6C4 tubes
Item: [6C4-5] $5.00
Here are 20 untested used 6C4 tubes from various manufacturers.
Test them yourself and save!
The 6C4 tube is 1/2 of a 12AU7 tube (they actually physically contain 1/2 of the 12AU7 guts inside the 6C4).
If you only need half of a 12AU7, then use the 6C4 tube instead.
It is cheaper and provides the same results.
You can even use two of them instead of one 12AU7 tube.
Just connect the heaters in series and you have the same thing as a normal 12AU7 tube.
If you are looking for specific 12AU7 construction, you might find what you are looking for with the 6C4 tube.
Most of the same construction types can be found in the 6C4 tube since it is built using the 12AU7 elements.
How To Order:
Purchasing our bargain bin packs is easy.
Just send us an email indicating the bargain pack(s) you want (use the [item] number).
We will let you know the total price including shipping and handling.
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