Glass Audio is a Pretoria-based South African online specialist in audio vacuum tubes and valves. The store serves hi-fi listeners, musicians, technicians and vintage-audio restorers, with products available for delivery across South Africa.
Also known as thermionic valves, vacuum tubes are used in hi-fi equipment, guitar amplifiers and other audio electronics. The people behind Glass Audio are the former owners of Mr Valve. Glass Audio continues to serve South African valve and tube enthusiasts through its online store.
What Glass Audio supplies
The Glass Audio catalogue includes preamp tubes, power tubes, rectifier tubes, vintage and new-old-stock (NOS) valves, tube sockets and accessories. Product pages identify the tube type and, where available, brand, stock status and price. Availability can change, so check the product listing or contact Glass Audio before ordering if you need help locating a specific tube.
Help finding an audio tube or valve
When asking about a replacement, include the markings printed on the existing tube and, if possible, the equipment make and model. This helps Glass Audio identify the item you are looking for. Please confirm suitability for your equipment before purchase.
Location and contact
Glass Audio is located in Erasmusrand, Pretoria, South Africa, and offers nationwide delivery through its online store.
Email: info@glassaudio.co.za
Mobile: +27 82 889 0802
Office: +27 87 821 6957
Frequently asked questions about Glass Audio
What does Glass Audio sell?
Glass Audio sells audio vacuum tubes and valves, including preamp tubes, power tubes, rectifier tubes, vintage and NOS valves, sockets and accessories.
Is Glass Audio based in South Africa?
Yes. Glass Audio is based in Erasmusrand, Pretoria, and its online store serves customers throughout South Africa.
Does Glass Audio deliver nationwide?
Yes. Glass Audio offers nationwide delivery through its online store. Check the website’s delivery and checkout information for the current options and charges.
Are vacuum tubes and valves the same thing?
They are two common names for the same type of electronic component. “Vacuum tube” is common in American English; “valve” is common in British English.
How can I ask about a specific tube?
Email info@glassaudio.co.za with the tube markings and, if possible, the equipment make and model. Stock availability and compatibility should be confirmed before ordering.