I got my new lamp. It is for commercial projection use. people use it to replace the - Page 4 - diyAudio
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Old 23rd June 2005, 10:26 PM   #31
bodgy is offline bodgy  Australia-Aboriginal
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whats the story with bulb life?

> 2500hr (replacing, not failure time) or 800hrs if treated well like pinkmouse says?

oh yeh and if you're gonna order one of these prime, maybe we could do a group order... any other aussies are keen?
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Old 24th June 2005, 03:35 AM   #32
prime is offline prime  Australia
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Osram seem to have 2 different 300W HTI lamps, one with 750 hour life the other with 3000 hour life. so I hope ywh's lamp is like the 3000 hour type. Here are the catalogue links:
http://catalog.myosram.com/srvc/z_ca...=4050300370651
http://catalog.myosram.com/srvc/z_ca...=4050300651248

bodgy: I was thinking that there may be other aussies interested so we could ask ywh to send ours direct to Australia.

I'm currently using a 150W (osram HQI-T/Sylvania HSI-T) lamp with 8mm(?) arc in my OHP retrofit with SGI 1600ww (only using part of lcd), I was previously using 150W lamp with 17mm arc and there is a definite improvement with the shorter arc so a 3.5 arc will be even better. links for my current lamp:
http://catalog.myosram.com/srvc/z_ca...=4050300872902
http://www.sla.net.au/product.php?p=351
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Old 24th June 2005, 04:24 AM   #33
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im interested in this lamp also, especially if we can get it shipped directly to aus and soon
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Old 24th June 2005, 08:17 AM   #34
shlomid is offline shlomid  Israel
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Quote:
Originally posted by ywh
The lamp / ballast set was bought from a factory near me, but they
don't do export. the ballast is 220V only. To make it accept 110V
input, the ballast needs to be modified. The manufacturer requires at
least ten sets to be ordered in order to make such change.
,

ywh - the 220 ballast is good for me , In Israel we use 220v.

BTW can you see my mails?

Thanks
Shlomi
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Old 24th June 2005, 02:03 PM   #35
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Quote:
Originally posted by bodgy
whats the story with bulb life?

> 2500hr (replacing, not failure time) or 800hrs if treated well like pinkmouse says?

oh yeh and if you're gonna order one of these prime, maybe we could do a group order... any other aussies are keen?
The lamp is not a HTI300. The manufacturer has rated lamp as 2500 hr. Hope ywh will get more specification from the manufacturer. then we will know what it resembles.
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Old 26th June 2005, 01:05 PM   #36
ywh is offline ywh
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The lamp is not an ordinary MH lamp. The manufacturer stated it as UHP
(ultra high pressure) lamp. On the other hand, I used HTI300, the lamp
was very hot, print paper will be scorched at 8cm away, 250W HQI will
do the same at 3cm distance, and this lamp is cooler than 250W HQI. I
havn't test the "scorching distance" yet.

hi shlomid
this is my e-mail yuweihua@tom.com
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Old 27th June 2005, 01:04 AM   #37
shlomid is offline shlomid  Israel
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Default What if

How much volts in this 250W lamp?

I have DC 150W 60V ballast from hitachi projector
What would happen if I use this lamp in it
the original lamp has arc of 2-3mm

Will it start?
What about the color temp?
How economical mode operating in compeny projector?

I know that the picture will loss brightness
shlomid


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Old 27th June 2005, 02:17 PM   #38
ywh is offline ywh
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Which hitachi projector ?model?
I can get DC 150w lamp,same price.
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Old 27th June 2005, 05:04 PM   #39
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Default Re: What if

Quote:
Originally posted by shlomid
How much volts in this 250W lamp?

I have DC 150W 60V ballast from hitachi projector
What would happen if I use this lamp in it
the original lamp has arc of 2-3mm


I won't mix 250w lamp with a 150W ballast. Most likely it won't light. And there is danger that the ballast might be damaged. but it would be fun to try out 150W lamps that ywh has.
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Old 27th June 2005, 05:32 PM   #40
shlomid is offline shlomid  Israel
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The projector is Hitachi CP-S830

Thanks
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