[Boatanchors] E.F Johnson calibrator 250-28 tube?

[William Shadid]

I have a 1962 E. F. Johnson catalog and on page 22 it clearly shows and 
describes thje 250-28 Calibrator. It also calls out the original tube as the 
6BH6 that the rest of you have mentioned. Only $18.95 in 1962 dollars!!

73,

-Bill, WA9MXQ


> ----- Original Message ----- 
> From: "jeremy-ca" <km1h at jeremy.mv.com>
> To: "Bruce Ussery" <twc9198764412 at earthlink.net>;
> <boatanchors at mailman.qth.net>
> Sent: Monday, December 10, 2007 10:08 PM
> Subject: Re: [Boatanchors] E.F Johnson calibrator 250-28 tube?
>
>
>> Mine has a 6BH6 and is also in a HQ-140X. I also like the Hammarlund
>> tuning and the great bandspread.
>>
>> Carl
>> KM1H
>>
>>
>> ----- Original Message ----- 
>> From: "Bruce Ussery" <twc9198764412 at earthlink.net>
>> To: <boatanchors at mailman.qth.net>
>> Sent: Saturday, November 10, 2007 8:37 PM
>> Subject: [Boatanchors] E.F Johnson calibrator 250-28 tube?
>>
>>
>> I recently brought an HQ-140-XA back to life. The more I play with it the
>> more I like it's smooth, accurate tuning and good audio. A previous owner
>> added a 100 kc crystal calibrator (and did a neat job), but it's not the
>> XC-100 model that is mentioned in the manual. It's an E. F. Johnson 
>> 250-28
>> which looks pretty similar. It's working OK, but the tube number is
>> scraped off. If it croaks (probably not in my lifetime), I don't know 
>> what
>> to replace it with. My usual searches revealed to details of this unit,
>> only that it exists is other hams shacks. So-- does anyone have one or
>> know what the tube is? I promise to add a nice label for the next owner.
>>
>> Bruce
>> WA4ZLK
>> _______________________________________________
>>
>
>
>
> End of Boatanchors Digest, Vol 47, Issue 14
> *******************************************
>