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 Post subject: Freed-Eisemann NR-405
PostPosted: Feb Mon 05, 2018 11:22 pm 
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Joined: Sep Mon 18, 2017 2:23 am
Posts: 687
Location: Plymouth, MI
Can anyone tell me what tubes the NR-405 uses, I can't seem to find a schematic for this one. Does anyone have any experience with this model radio?

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Dan

I know just enough to be dangerous.....
(Member - Michigan Antique Radio Club)


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 Post subject: Re: Freed-Eisemann NR-405
PostPosted: Feb Tue 06, 2018 5:32 am 
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Joined: Sep Thu 14, 2006 3:27 pm
Posts: 10641
Location: Carmel, Indiana
The receiver uses all 01A tubes but the last audio tube can also be a 12A tube for better audio.

A = +6v
B = +45v
B = +90v
C = -4.5v

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Michael Feldt
www.indianaradios.com


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 Post subject: Re: Freed-Eisemann NR-405
PostPosted: Feb Tue 06, 2018 6:56 pm 
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Joined: Sep Mon 18, 2017 2:23 am
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Location: Plymouth, MI
Thank you Michael for the help, greatly appreciated.

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Dan

I know just enough to be dangerous.....
(Member - Michigan Antique Radio Club)


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