GU-81 High Power 750W 50MHz Pentode GU81M GU81 HAM Transmitting Generator Tube


                                                        NEW IN BOX

          Military equipment,"OTK", high reliability.

             Military quality check passed (rhombus)                                             
                            


All tubes were tested for filament continuity.
                                                       
                                                                         LOT OF 1

                  

NameGU81
Typepentode
Cathode typetugsten,carbidized,direct heating
Application fieldpower amplification up to 50 MHz
Brief applicationamplification, oscillation
Envelopeglass
Cooling methodair
Dimensions260mmx202mm
Mass1 kg
Filament voltage12.6 V
Filament currentat most 11 A
Mutual conductance4.5 to 6.5 mA/V
Gain coefficient2.5 to 4
Output power0.45 kW
Maximum anode voltage550 V
Maximum operating frequency50MHz



Please allow for the following shipping times:
EU countries: 5-8 business days, on rare occasions a few days more
USA: 10-15 business days, on rare occasions more
South East Asia (Japan, Singapore, S. Korea, Hong Kong, Taiwan etc) 10 business days, on rare occasions more
India, China, Russia, Kazakhstan, Pakistan, Indonesia, Malaysia, Thailand, Australia, South Africa etc: at least 15 business days, but frequently around 25 business days
 
Please note that shipping cost is calculated at average. If you have any objections please contact me for a specific quotation.