[Johnson] Need information on original Ranger

[Mike Sanders]

I believe 1614s were the original factory modulator tubes. They were 
often replaced with 6L6s I believe as the 1614s
are a bit hard to find. 6CL6s are miniature tubes used in some Collins S 
line gear as drivers for the PA pair.
73


On 5/21/2022 3:22 PM, donhellen at roadrunner.com wrote:
> Chris . . .
>
> On Sat, 21 May 2022 19:19:41 +0000 (UTC), Chris Farley <kc9ieq at yahoo.com> wrote:
>
>> In your manual, there is a diagram showing tube locations, which are then identified in the parts list.  In the event your manual is missing pages, it may be found as the first PDF file here:https://bama.edebris.com/manuals/johnson/ranger/
> I see most of the tubes match and are in the correct positions. I see
> differences with these tubes between the manual and what's actually in the
> radio:
>
> V9 & V10 are both 6CL6 in the radio I have instead of 1614's
> V11 is a 5V4GA in this radio instead of 5R4GY (both are rectifier tubes--OK?)
> V12 is a 6AX5 instead of a 6AX5GT (probably OK?)
>
> I won't get to look inside the VFO box until I get the radio back out but it's
> probably got what's supposed to be in there.
>
> I'll need to know if I need to change V9, 10, and 11 to match the manual. I am
> pretty sure a tube suffix like GT doesn't normally have any importance with
> backward compatibility but let me know if it does.
>
> I'll look at the other information and save it for future reference. I'll also
> get the weak resistor in the VFO box. Is it the 56 Ohm one or the 100K one in
> the schematic around the VFO tube?
>
> Donald KX8K
>
>
>
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