Tube testor Fuse

[Garey Barrell]

Al -

Interesting.....  The 81 is rated at 6.5V @ 1.02A while the 63 is rated 
7V @ 0.63A.

The 82 is electrically identical to the 81, but with a two-contact 
base.  Some think that is a good change since the shell of the 81 is 
connected to the AC line, making it accessible, although with 
difficulty, from the panel of the TV-7.

73, Garey - K4OAH
Richmond

Drake 2-B, 4-B & C-Line Service Supplement CDs
<www.k4oah.com>



Al Parker wrote:
> Hi Fred,
>    Probably the same bulb as used in the Hickoks.  My 6000A manual 
> says, "replace the no. 81 fuse lamp with a no. 63 lamp"  Last time I 
> needed one I got it at the NAPA store.
>    The TV7 calls for an 81 too.
> 73,
> Al, W8UT
> New Bern, NC
> www.boatanchors.org
> www.hammarlund.info
>
> ----- Original Message ----- From: "FRED HOLNAGEL" <w7prv at TELEPORT.COM>
> To: <BOATANCHORS at LISTSERV.TEMPE.GOV>
> Sent: Wednesday, April 25, 2007 5:03 PM
> Subject: [BOATANCHORS-TEMPE] Tube testor Fuse
>
>
>> I have a TV-3B/U Hickok tube tester also may be known as a model 547A 
>> or B. The main fuse is in the form of a bulb, at least the socket 
>> apperars to be one  that would take a standard bayonet base car type 
>> bulb.  I need to know the number of that bulb. Thanks, Fred W7prv
>>
>>
>> FRED HOLNAGEL
>> w7prv at teleport.com
>> EarthLink Revolves Around You.
>>

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