Up for sale is a single prime vintage NOS Toshiba 6X5GT full-wave rectifier vacuum tube, packed in a white box. Manufactured in Japan, this high-grade octal rectifier features durable black plates, a solid black base, and heavy-duty internal structure. Toshiba’s classic Japanese-made rectifiers are highly regarded for their smooth power delivery, exceptional reliability, low noise operation, and long service life in vintage audio preamplifiers, power supplies, and radio equipment.

The tube has been thoroughly tested on an Amplitrex AT1000 automated valve tester at standard reference settings. Forward emission current (FWD) and reverse leakage current (REV) for both diode sections are detailed in the table below.