New Sensor Authorized Dealer
Beware of unauthorized sellers selling non- Factory Matched Tubes Or Even Counterfeits
This listing is for (4) brand new, Tung-Sol factory platinum matched 7591a tubes as a closely matched Quad. Matched pairs also available. 48 hour Burn in then matched. Finally a 7591 that closely matches the NOS tubes used in Fisher and McIntosh Equipment as well as others. If you have an MC225, Fisher 500C/800C or any vintage equipment using the 7591/7591A, you must try these. These are burned in for 48 Hours and matched by New Sensor. Buy only from an authorized dealer to avoid getting cheap copies. If the price looks too good to be true, it probably is. Look for the factory stickers on the boxes.
Premium power beam tetrode, a faithful replica of the original NOS tubes with a very detailed soundstage. Perfect for vintage amplifier applications, both Hifi and guitar.
• Used in vintage Fisher, Scott, McIntosh receivers among others
• Also for vintage Gibson & Ampeg guitar amps
• Tung-Sol tubes reflect the best in vintage construction with unsurpassed tone and reliability.
Our company CTech Electronics stands behind all of our products and services. Should you ever have a problem with our products or services, we will work with you to resolve it as quickly as possible. Check our feedback and bid with confidence.
We are a full service company offering parts, tubes and repairs for vintage equipment. Visit our Ebay Store:
