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 Post subject: Testing 807 tube on Hickok 6000
PostPosted: Jun Tue 18, 2019 7:11 pm 
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Joined: Nov Thu 08, 2007 10:44 pm
Posts: 103
I see that on the Obsolete Tube Data sheet the bias and shunt setting for testing an 807 is somewhat different from testing a 6L6, nothing major, just off by a few points. Could I use the octal socket in the 6000 and the top cap gizmo and use the 807 test data, or use the 6L6 data with an octal adapter? Some clarification is needed.

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 Post subject: Re: Testing 807 tube on Hickok 6000
PostPosted: Jun Tue 18, 2019 10:15 pm 
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Joined: Jan Tue 10, 2012 8:39 am
Posts: 608
The answer is yes. A tube tester isn't generally adapted to measurement, more for go/no go decisions. Not a precision instrument.

So if you test a 6L6 with 6V6 settings or vice versa it will still give the info you seek. The 807 is basically a 6L6 with a different connection arrangement. Most tube testers just test emission anyway and they are practically the same.

In fact there is a whole series of tubes that all basically are 6L6. That includes 6146 and even 6550 and EL34 and 7027 and many more. Isn't there the 8147 too? And you can probably use the test for 6GB6 without getting a wrong reading.


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 Post subject: Re: Testing 807 tube on Hickok 6000
PostPosted: Jun Tue 18, 2019 10:49 pm 
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Joined: Jan Thu 24, 2019 1:22 pm
Posts: 138
Location: Centennial, Colorado 80122
Test it like the setup shows for a 807 the 6L6 has nothing to do with the settings for this tube.


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 Post subject: Re: Testing 807 tube on Hickok 6000
PostPosted: Jun Wed 19, 2019 12:11 am 
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Joined: Nov Thu 08, 2007 10:44 pm
Posts: 103
I don't have a socket for it.

My question was can I use an 807 to 6L6 adapter, the 6l6 settings only with the bias and shunt for the 807.

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 Post subject: Re: Testing 807 tube on Hickok 6000
PostPosted: Jun Wed 19, 2019 1:07 am 
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Joined: Jan Mon 18, 2010 2:13 am
Posts: 19037
Location: Dayton Ohio
I would say use your adapter, and set the switches up for a 6L6, but use the bias and shunt settings of the 807.

Yes, the 807 is based on a 6L6, but has modifications to work as a transmitting tube.

-Steve

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 Post subject: Re: Testing 807 tube on Hickok 6000
PostPosted: Jun Wed 19, 2019 1:52 am 
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Joined: Jan Thu 24, 2019 1:22 pm
Posts: 138
Location: Centennial, Colorado 80122
You must have a 6000A not a model 6000 that has the 5 pin socket.


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 Post subject: Re: Testing 807 tube on Hickok 6000
PostPosted: Jun Wed 19, 2019 2:43 pm 
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Joined: Jan Thu 24, 2019 1:22 pm
Posts: 138
Location: Centennial, Colorado 80122
If you do have the model 6000A its easy to make an adapter for the older tube types. All the sockets are wired pin for pin, so for the 5 pin socket you would connect pins 1- 5 pin to pin to the octal plug. You will use the 807 setup not the 6L6 setup because the selector switches have to direct the elements to the proper pins for the 807. In the past I have fabricated a project box with 4 sockets 4 Pin, 5 pin, 6 pin and 7 Pin and a cable with a octal plug. Simply wiring pin for pin starting at the 7 pin socket and wiring pin for pin to each socket ending up at the 4 pin. The Eico 615 adapter does exactly the same thing, but they are difficult to find and demand a high price. If your only concerned let's say with 4 and 5 pin tubes just do an adapter box with those two sockets.
Bill


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