Try
http://dafnwebpd.sylvania.com/os_fil...ocid=003680349




On Sat, 30 Oct 2004 19:36:01 -0400, "Shep" >
wrote:

>Amen on the short lived Silstar, went thru a set in 7 months on my chev.
>trailblazer, bitched to them, got another set on warranty, 7 months later,
>one right after another. It's a shame because they were good, and the
>stockers stink.
>"Daniel J. Stern" > wrote in message
in.umich.edu...
>> On Sat, 30 Oct 2004, Minnie Bannister wrote:
>>
>>> Went to the Sylvania Web site to see whether XtraVision bulbs are
>>> available for my 300M (they aren't) and looked at the comparison chart
>>> for Standard, XtraVision, Cool Blue, and SilverStar. I was surprised to
>>> see that for a given bulb type (e.g., 9004, 9005, 9006) they quote the
>>> same light output in lumens no matter whether it's a Standard or an
>>> XtraVision! So how come they claim that XtraVision are "brighter"?
>>
>> Sylvania primarily lists *NOMINAL* output, not actual, in their materials.
>> Nominal output is the legal spec contained in Federal code 49CFR564. The
>> spec for each bulb contains a nominal flux as well as the allowable
>> tolerance range as either a plus-minus percentage or an absolute maximum.
>> Take a look for yourself he
>> http://fmvss108.tripod.com/light_source_list.htm and you'll see how
>> coincidentally all those Sylvania bulbs just happen to (be claimed to
>> produce) exactly the nominal value, right on the nose. Quoting nominal
>> values is the same as saying "These bulbs are all legal". Sure they are,
>> but nominal values do not describe the differences in performance amongst
>> the different bulbs. Can you think of a reason why Silverstar (which
>> produces near the high end of the legal output) and Cool Blue (which
>> produces near the low end) would be quoted at nominal rather than actual?
>> I can. I can also think of a reason why Sylvania would field a gimmicky,
>> expensive, short-lived, low-performing Silverstar for your 300M but *not*
>> a higher-performing, non-gimmicky, longer-lived, less-expensive
>> Xtravision.
>>
>> DS
>>
>>
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