6J5/12J5 Preamp Triodes  


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  A small selection of preamp tubes. The 12J5GT and 7A4/XXL can be used to replace 6J5(G/GT) tubes in DIY projects. The 12J5GT is a 6J5GT with a 12V heater, the 7A4 is a 6J5GT with an loctal socket.

The 7A4s and 12SN7GTAs were made by GE in the US. The 12J5GTs, 6J5s and 7F7s were made be various US manufacturers. The 6S2S/6J5GT tubes were probably made by Novosibirsk in Russia in the 70's (they are marked Pinnacle).

12J5GT datasheet
7A4 datasheet

Qty: Order code: Description: Price (ex. VAT):
6J5-US* US-made 6J5 triode 10,00 €
6S2S-R* Russian 6S2S/6J5GT triode 7,00 €
12J5GT-US* US-made 12J5GT triode 5,00 €
7A4-GE* GE 7A4 triode 10,00 €
Delivery time: 3-4 days