| Brand | Admiral |
|---|---|
| Type | Triode |
| Country of Origin | United States |
Check the listing for details. 572B Machlett Power Triode Matched Pair (2) Tubes CB Ham Radio. Condition: New, Made in United States. Listed at 207.96 USD. The Machlett 572B is a power triode designed for use as a RF Oscillator, RF Power Amplifier and audio frequency modulator. All Machlett tubes are burned in before testing and matching at our testing facility in Ventura, California.