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#1
11-28-2014, 09:12 PM
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Yes, four tubes in the pushbutton tuner.
7AG7 + 7F8 for channels 2-6 6AK5 + 7F8 for channels 7-13 Split sound IF using six tubes! 6AU6 1st sound IF 6AU6 2nd sound IF 6AU6 3rd sound IF 7A6 discriminator 6AT6 1st AF 7B5 audio output 
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#2
12-01-2014, 08:30 AM
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The tuner is very impressive. It is a split tuner. One entire half for VHF low band and an entire half for VHF high band. The push button mechanics are fantastic as well as the fine tuning.
It also has plenty of high voltage! The horizontal oscillator and afc circuits are extremely stable. And it has a million capacitors that needed changing....
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