- Selected rectifier valve (RT513)
The TAD 5Y3WGTB BLACKPLATE™ offers the characteristic behaviour of the rectifiers associated with classic low-power vintage amplifiers. Its response includes the familiar voltage sag under load, which results in reduced output power and a naturally softer feel, faithfully reproducing the performance of mid-20th-century 5Y3GT models.
This model respects the construction principles of the historic Sylvania Gold and CBS JAN 5Y3 variants, with a black plate structure and carefully selected components. Each tube is tested for diode balance and correct output voltage to ensure reliable operation in circuits that depend on the authentic behaviour of the 5Y3. It is a direct replacement for any 5Y3GT and can also serve as an upgrade option for 5Z2P-based designs.
It features a black plate rectifier structure, controlled voltage-drop characteristics, balanced diode performance, and benefits from TAD’s Premium selection in Germany.








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