




JJ Electronics
JJ KT88 Power Vacuum Tube
Stats for Nerds
- Type
- Beam power pentode
- Base
- Octal (8-pin)
- Max plate voltage
- 800 V
- Max plate dissipation
- 42 W
- Max screen voltage
- 600 V
- Heater
- 6.3 V / 1.6 A
Choose options
Stats for Nerds
- Type
- Beam power pentode
- Base
- Octal (8-pin)
- Max plate voltage
- 800 V
- Max plate dissipation
- 42 W
- Max screen voltage
- 600 V
- Heater
- 6.3 V / 1.6 A
Stats for Nerds
- Type
- Beam power pentode
- Base
- Octal (8-pin)
- Max plate voltage
- 800 V
- Max plate dissipation
- 42 W
- Max screen voltage
- 600 V
- Heater
- 6.3 V / 1.6 A
Upgrade your sound experience with the JJ KT88 Power Vacuum Tube. This high-quality tube utilizes JJ's advanced technology to deliver superior audio performance. With a sleek design and reliable construction, this vacuum tube will provide long-lasting durability and enhance your music with clear and powerful sound.
The KT88 is a beam output pentode with an octal base and power of 42W. Very powerful, with strong bass and very bright highs. It can also be used in 6550 amplifiers.
All RUBY™ Tube power tubes come already matched. There is no extra charge for this service. Our Magic Parts matching process is very exact and our tubes are matched within +/- 1 mA (mille amp) of each other.













