Detail 01
A.F. beam pentode
The stated tube type.
Product detailSKU #1500000449126
TELEFUNKEN6550-TK Power Tubes Pair
1/8
Independent shopping perspective
The Korena take
A premium matched pair of TELEFUNKEN 6550-TK power tubes for guitar and audio amplification, built around rigorous performance testing.
Strong match
Who this is for
- Musicians using compatible guitar amplifiers
- Audiophiles seeking 6550 power tubes
- Leslie speaker system applications
Consider the trade-offs
When to look elsewhere
- Applications that do not use 6550 power tubes
- Buyers needing a single tube rather than a pair
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
35 W output power
The 6550 is stated to deliver 35 watts of output power.
Detail 03
Performance testing
Each tube is evaluated for transconductance, gain, noise, and microphonics.
Final check
Know before you order
- 01Confirm your amplifier or speaker system is compatible with 6550 tubes.
- 02This product is sold as a pair.
- 03The heater is indirect and can operate with AC or DC.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01How many tubes are included?
Two TELEFUNKEN 6550-TK power tubes are included.
02What applications are stated?
Guitar amplifiers and Leslie speaker systems.
03What testing does each tube receive?
Testing for transconductance, gain, noise, and microphonics.
04Can the heater operate on AC or DC?
Yes. The indirect heater is stated to be operable with AC or DC.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
4 detailsOther
- Category Source
- detail
- Tier
- new
- Korena Special
- false
- Source Id
- site51500000449126
Worth comparing
1 of 12
