4 12AX7/7025F Penta Laboratories High Preamp Broadcast Quality RF Tubes Audio
USD 118.50 USD
Specifications
| Brand | Penta Laboratories |
| Type | Preamp Tubes |
| Model | 12AX7B/12AX7M/7025F |
| Country Of Origin | China |
And the last tube is a 7025F special quality high gain preamp Tube. One of the tubes is a 12AX7M high gain, preamp Tube. Two of the tubes are type 12AX7B 3 Mica low noise, high gain tubes. These four tubes are testing in the 80 to 90% range.
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