- 5AR4 rectifier from Sovtek.
- Also known under the GZ34 designation.
- Very good reliability.
- Often use in Fender amps.
- Made in Russia.
A popular rectifier tube because of its great reliability. Used in a range of audio application (often OEM rebranded under the amp manufactures name). Interchangeable with the 5U4 and 5Y3. Add 3+ of any tube in our collection and get an auto 5% discount.