[R-390] URM/25D dial lamps

Craig C. Heaton wd8kdg at worldnet.att.net
Sat Jul 18 23:29:23 EDT 2009


Hi Roy,

I've already sent this information to Steve about the CM323 bulbs for the
URM-25D. The best price in town so far is jkllamps.com     minimum order of
10 @ $1.50 ea plus shipping.

My 25D takes 2 of these 323's for the dial and one NE-51 for the ON
indicator. The 323 number I believe is a Chicago Miniature #.

73's
wd8kdg
Craig




-----Original Message-----
From: r-390-bounces at mailman.qth.net [mailto:r-390-bounces at mailman.qth.net]
On Behalf Of Roy Morgan
Sent: Saturday, July 18, 2009 7:57 PM
To: Dave Merrill
Cc: r-390 at mailman.qth.net
Subject: Re: [R-390] URM/25D dial lamps


On Jul 18, 2009, at 5:11 PM, Dave Merrill wrote:

> The correct number is 323 and here is one source:
>
>
http://www.bulbman.com/index.php?main_page=product_bulb_info&products_id=157
63
>
> About $4 ea plus shipping

These lamps have long been either hard to find or pricey.  I remember  
prices in the past being much higher than the $4 from the above source.

The URM- 25 *D* uses four of them.  The F model used different lamps  
altogether.

If you relamp  your D, I suggest you masure the actual lamp voltage  
and consider increasing the dropping resistor value to extend the  
life.  Some fellows in the past have changed the lamp type altogether  
to use a lamp more affordable and findable, and incidentally increase  
the amount of light that gets to the dial!

Roy


Roy Morgan
k1lky at earthlink.net
529 Cobb St.
Groton NY, 13073
Home: 607-898-3607
Cell: 301-928-7794



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