[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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