EL34 KT77 6CA7

EL34, 6CA7 and KT77 vacuum tubes for sale in South Africa from Glass Audio. These popular power valves are used in valve guitar amplifiers, hi-fi amplifiers and vintage audio equipment where strong output power, musical midrange and classic valve character are required.

Glass Audio stocks selected EL34, 6CA7 and KT77 power tubes from respected manufacturers, with brands and availability changing as stock sells. Customers looking for EL34 tubes for sale in South Africa can browse current products below and contact us for help with brand selection, compatibility, matching options and availability.

EL34, 6CA7 and KT77 valves are related power-tube types, but they are not automatically interchangeable in every amplifier. Bias requirements, plate voltage, heater current and the amplifier manufacturer’s specifications should always be checked before substitution. We can assist with replacement guidance where appropriate.

Glass Audio supplies tested power tubes with nationwide delivery across South Africa. Matched pairs or quads may be available on selected lines; please check the individual product listing or contact us for confirmation. Product prices and stock remain as displayed below.

Also browse our 12AX7 / ECC83 preamp tubes and New Old Stock and Old Stock vacuum tubes. For matching, bias, compatibility or stock assistance, contact Glass Audio.