Manufactured in the Novosibirsk plant in Russia in the early 1980's (but responsibly sourced and purchased from the Ukraine), these superb quality valves are an ideal replacement for 6SN7 Octal valves in vintage audio equipment such as guitar amplifiers and juke box preamps and at a very economical price! These valves are marked 6H8C in Cyrillic Russian script and many have the military QA OTK mark as well denoting very high quality military spec construction and testing.
See our store for other listings for6N1P, 12AX7, 12AT7, 12AU7, 12AX7B and for "old school" construction genuine 7025 preamplifier valves as well as matched pairs of 6V6 or Matched Pairs and Quads of 6L6 and EL34.
Sent by First Class post for fast delivery.
<Handy hint> Changing your valve
Once you have the back or cover removed from the amplifier/radio/record player you are changing a valve in it's easy to change. First, the safety warnings;
Unplug the unit from the mains before removing any covers. Don't try to change the valve when the unit has been recently switched on... valves get hot enough to burn you! Try not to touch anything inside the unit except the valve you are changing as some parts can hold high voltages even when it has been switched off for some time. Now for the easy bit.... hold the valve you are changing between two fingers and your thumb and rocking it slightly to free its pins, pull it firmly straight up and it will unplug. You will see that the pins form a circle with an inner plastic/Bakelite peg with a bump on one side. Take a look at the socket to see where the indentation on the centre hole is and taking the new valve, line the centre peg up correctly with the gap and again rocking it around slightly (only a few degrees) push the new valve in until it is firmly seated. Replace back cover, switch on.... all done! Preamp valves like this double triode don't need any further setting up or baising, so thats all there is to it. Changing these valves can make your sound instantly brighter and punchy, so why not spend a few pounds and bring the life back into your amplifier!
Should you be in any way unhappy with your purchase within 28 days of purchase, you may return the item for a full refund of the purchase price.
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