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THE AM BULLETIN BOARD => Technical Forum => Topic started by: WA2ONK on March 15, 2024, 08:11:17 PM



Title: Clegg 22er MK II
Post by: WA2ONK on March 15, 2024, 08:11:17 PM
A friend recently picked up a Clegg 22er MK II and strangely it has a 6146 final tube. He says it looks like factory because of how professional it looks. I have the same radio here and it uses a 8150 compactron for the final. I did some searches looking for some info but came up with nothing. Can any one here shed some light on the difference. By the way, this is a 2m AM xceiver.......Chuck...wa2onk


Title: Re: Clegg 22er MK II
Post by: Pete, WA2CWA on March 15, 2024, 08:43:03 PM
Ed Clegg and I did some wheeling and dealing on his stash of new Tung Sol 8150 tubes back in the 90's and I asked him why he used a tube that is hard to find. I remember him saying that they were more stable at that frequency(neutralization was easy and not critical), he had the tube inventory and circuit design was less critical.

He said that there was a thought to maybe use a 6883 which is what they used in the Venus but felt the tube might be to unstable and parts critical at that frequency.

Don't remember if he said they made any models but all the Clegg 22'er MK II drawings I received from Ed only showed the 8150 in the final.


Title: Re: Clegg 22er MK II
Post by: WA2ONK on March 16, 2024, 08:02:03 AM
Thanks fro the info, Pete

Chuck...
AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands