[Boatanchors] RME4350

[Grant Youngman]

Is the calibrator with the 6U8 located on the right front side of the chassis as shown in the 4350A manual (e.g. BAMA), or somewhere else?

Grant NQ5T


On Oct 12, 2013, at 11:55 AM, Al Parker <anchor at ec.rr.com> wrote:

> Hi George,
> 	That's strange, to use a 6U8 in a calibrator.  It's a dual tube, triode and pentode, usually used as a "convertor" or where the triode is the oscillator and the pentode the mixer.  Maybe it just uses the triode secn, a calibrator rarely uses/needs an amp after, which the pentode could provide.
> 	Also strange that it's on all the time, and that the rcvr quits hearing when you remove the tube.
> 	Have you googled and looked at all the skem's that are out there to see if anything matches what you have?
> 	Lotsa strange things I think.
> 73,
> 
> Al, W8UT
> www.boatanchors.org
> www.hammarlund.info
> 
> "There is nothing -- absolutely nothing -- half so much
> worth doing as simply messing about in boats"
> Ratty, to Mole
> 
> On 10/12/2013 12:13 PM, george frost wrote:
>> The 4350 that i have has a crystal calibrator that is original and has a 6u8 tube.The calibrator is on all the time and when I pulled the tube the radio stopped.No switches anywhere to turn it off.I would like to get a schematic for this receiver that has the 6u8 tube located in the calibrator.The schematic from bama shows it to be a 6cb6 but the top chassis layout shows the 6u8....KF9WV
>> ______________________________________________________________