TELEFUNKENKT88-TK Power Tubes Pair
Independent shopping perspective
The Korena take
KT88-TK is a pair of beam-power tetrodes for guitar and hi-fi amplification. Made with JJ Electronic of Slovakia, these Black Diamond Series tubes are described with high output, low distortion, a firm low end, smooth midrange, and an even overall response. Their published performance focuses on clean headroom and dynamic range, while also covering clean, overdriven, and high-gain amplifier sounds.
Strong match
Who this is for
- Guitar and hi-fi amplification where clean headroom and dynamic range are central to the intended sound.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01How many tubes are in the package?
This product is supplied as a pair.
02What amplifier applications are listed?
The KT88-TK is listed for guitar and hi-fi amplifiers.
03What is the stated output rating?
It is rated at 50W in push-pull Class AB1 operation.
04What base does it use?
It has an octal, 8-pin base.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
2 detailsPickups & controls
- Control Grid Voltage
- -55V
- Pickup Configuration
- SS
1 detailsBody & build
- Type
- Beam-power tetrode
6 detailsConnections & power
- Plate Voltage
- 400V
- Maximum Plate Voltage
- 800V
- Heater Voltage
- 6.3V
- Screen Voltage
- 300V
- Maximum Screen Voltage
- 600V
- Output Power
- 50W (push-pull Class AB1)
1 detailsSize & weight
- Dimensions
- Approximately 4.9 inch in height and 2.1 inch in diameter
10 detailsOther
- Maximum Screen Dissipation
- 8W
- Amplification Factor
- 8
- Plate Resistance
- 15 kohm
- Maximum Plate Dissipation
- 42W
- Screen Current
- 12 mA
- Transconductance
- 11 mA/V
- Heater Current
- 1.6A
- Plate Current
- 140 mA
- Base
- Octal (8-pin)
- Applications
- Guitar and Hi-Fi amplifiers
