Kenwood TL-922 linear amplifier GI-7 GI7bt tube socket, fan and chimney KK4NOZ
Collection of parts that will fit the 3-500Z socket mounting holes in a Kenwood TL-922 linear amplifier. Tubes are properly cooled to better the max spec of 200 degrees C 392 degrees F for the tubes. Tube cooling spec is 24 cubic meters/hour/tube or 15 cubic feet/minute/tube.Out the cooler duct size at 440 linear feet/minute is 25.5 cubic meters/hour/tube. Kenwood stock fan will remove 414 cubic meters/hour. Included is hi-temp silicone ring good for 450 degrees F. Loaded deformation temp of PVC is 200 degrees F. No PVC deformity has been found so far. Fan is 12VDC 4 pin. Full speed with yellow + and black. Tachometer output and PWM input options.
Re-tap filament transformer from 120v to 100v to bring 10VAC filament supply to over 12.6VAC for Russian tubes. Fan holes must be drilled larger to accommodate imperfect Kenwood to fan alignment. Holes punched in bottom for fans are a clean 3. 2.5 might even be better.I have a hydraulic punch for either size hole. Package includes everything in first main picture.
Tube and cooler not included. Get quantity 2 for dual tube setup. The item "Kenwood TL-922 linear amplifier GI-7 GI7bt tube socket, fan and chimney KK4NOZ" is in sale since Sunday, May 27, 2018. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers".The seller is "greatball" and is located in Dadeville, Alabama. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Viet nam, Uruguay, Bermuda, Ecuador, Luxembourg, Paraguay, Reunion.