Amplifier Parts

Ruby Tubes - JJ ECC81 / 12AT7

JJ 12AT7 / ECC81 HG tested The JJ ECC81 tube also refereed to as a 12AT7, is known for its warm and smooth sound, making it a popular choice among musicians and audiophiles. It was widely used in vintage audio equipment and can still be found in some...

Ruby Tubes - JJ ECC82 / 12AU7

JJ 12AU7 / ECC82 HG tested The JJ ECC82 tube also refereed to as a 12AU7 boasts superior quality and reliability, having undergone rigorous and reliable HG testing. All Ruby Tubes are pre-sorted, tested, and burned in.  You can count on these...

Ruby Tubes - JJ ECC83S / 12AX7

JJ ECC83S / 12AX7 HG tested The JJ ECC83S / 12AX7 Preamp Vacuum Tubes provide harmonically rich sound with low noise and microphonics. With its balanced midrange, it brings exceptional clarity and warmth to any amplifier, allowing for a detailed low end...