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7591S Matched Quad

Price: $108.00
7591S Matched Quad
7591S Matched Quad
Product Details

JJ 7591S Matched Quad. These are a modern replacement for all classic 7591 applications. They're warm and round with a smooth breakup. They have a very lively character which makes them extremely fun to play or listen to.

After a 24 hour burn in all power tubes are tested for noise and matched at multiple operating points for plate current (± one milliamp) and transconductance.
The JJ 7591S is a modern replacement for all classic 7591 applications. These tubes retain that classic lively character 7591's are known for while still offering a very warm and round character.

Please note the JJ 7591S has a seated height of 3-1/8" (8cm) which is slightly taller than some historic 7591's. If you're using these in an older Receiver (Scott, Fisher, etc..) you should double check the vertical clearance. 

Please leave us a note in the comments section as to what amp they're going into and or if you're looking for a specific grade.
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