Yamaha CS80

Mike,

I think the bulb in the middle is the go.

AK
On 27/03/2011, at 10:51 AM, Mike wrote:

> I decided to post in a new thread because the old one was getting  
> out of control. I've narrowed the bulb models down to two different  
> candidates and they are both equally good in their own special ways.  
> Both of them are way better quality than the originals. I'm  
> interested in group input and suggestions before I make a  
> substantial investment.
>
> I've posted a picture in the photos section of this group that I'll  
> refer to during this post. The album is labeled Preset Bulbs.
>
> Here's the dilemma:
>
> The bulb on the left is an original and working CS-80 bulb that I  
> pulled out of my CS-80 for reference.
>
> The bulb in the center is a very high grade military bulb that is an  
> awesome fit. It consumes substantially less current than the  
> original or the bulb to the right of it which I'll talk about in a  
> minute. I've measured 14v and some change across it which means it's  
> consuming wayyyy less current than the original bulbs. It is the  
> better quality bulb compared to its competitor. Unfortunately, it is  
> more expensive than the other one to the right of it. Its lumen  
> output is almost exactly the same as the original bulbs. Its color  
> is a little bit whiter but it is very very subtle. (This could be  
> due to discharge buildup on the inside of the glass or age) The  
> filament mount is the same. The filament is a single wire instead of  
> coiled like the original or the one to the left of it. The leads are  
> plated. The only thing that sucks about this bulb is that I have to  
> buy it in some silly aircraft panel mount which takes about 20  
> seconds to remove. That's why the leads are squirrely.
>
> The bulb to the right is about a third brighter than the original  
> and consumes slightly more current. I measured about 100mv more of a  
> voltage drop on it than the original. It is slightly cheaper than  
> the military grade one. It runs at a slightly lower voltage than its  
> specifications when it is in the CS-80 which means that it will last  
> longer than it's rated life. The filament is on a double mount  
> running parallel which helps project the light upward. The only  
> thing that really sucks is that it runs slightly hotter than the  
> original. If we were to go with this one, it would probably be best  
> to replace all of the bulbs in the panel so that the lighting is  
> uniform.
>
> Whew, that was a long post. If anybody cares, what bulb do you think  
> that we should go with? I'm getting prices for each on Monday.
>
> -Mike
>
>
> 

Andrew Kirkby
(e) kirkbyte@...
(m) 0416 000 070






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