From €28.90 *
*Prices incl. VAT plus shipping costs
Currently out of stock. Expected to be available from: 31 July 2021
- Part Number: RT504
- Packaging Size: 5x5x12 cm
- Packaging Weight: 0.061 kg
- UPC: 4251594900887
The Straight One! The 5U4GB has a straight glass envelope. This type has been... more
Product information "5U4GB TAD PREMIUM SELECTED straight bottle"
The Straight One!
The 5U4GB has a straight glass envelope. This type has been widely used in U.S-made guitar amps from the 1950s to the 70s. The 5U4GB has a slow start feature, which protects output tubes from high voltage peaks when you switch the power on.
Q: When does a tube become a Premium Selected tube?
A: All tubes labeled Premium Selected have passed the following tests:
- Plate Current (PC) and Amplification (TC)
- Low Noise Test
- Microphonic Test
- Sonic Tests
- Shock Tests
- Listening Tests
- Shorts & Leakage Tests
TAD Premium Selected tubes are guaranteed for a period of 6 months (according to terms of warranties) for the quality criteria mentioned above.