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This topic comprises 2 pages: 1 2
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Author
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Topic: No more return-exchange on Strong switchers
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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12814
From: Annapolis, MD
Registered: Dec 1999
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posted 01-24-2009 06:34 PM
Mark...you preach and preach....and yes there ARE installation of digital cinemas...but by and large, those that were hired to do these big conversions...have been laid off...to say the "conversion" is at a trickle pace is an overstatement.
As to switcher power supplies...all of my installations have a spare on site and we rotate them through so they all age. I have NOT found them to gain any longer lamp life and more often than not, shorter. While the frequency is indeed high...you can always tell a lamp run by a switcher...their anode surface has a very fine grit surface...kinda like a piece of sandpaper. I still install brute-force supplies unless there is a need or specific reason for the switcher...they are more reliable, period.
On the switcher's up side...they are less expensive (you can ofen buy three switchers for the price of two HR rectifiers...especially if you factor freight in). Switchers are also VASTLY more efficient on power conversion. Running 150A DC on an IREM N3-180 (a bit over 4000-watts), you would draw upwards of 35A per leg of 3-phase...the same lamp could be run on an IREM EX-170 for about 22-23A per leg. That is over a 30% savings on electricity alone. Your infrastructure also drops as #8 wire drops to #10 wire for requirements...Step down transformers within a complex can be smaller...and on and on.
I like the ability to remotely control the current in a swither over a HR in some applications too. There are a lot of things going for them...field service isn't one of them.
As to Louis and not replacing CAPs in IREMS...I've had a couple caps in newer IREMs fail (shot their cookies out the vent hole)...note, the current generation of N3 series have better filtration than the previous N3X series. (or G3 vs G3X for console types).
It isn't too uncommon for me to change capacitors in a HR rectifier...if I see a lot of "snot" on the anode of a xenon lamp after "normal" hours...I change the caps...clears right up and the lamps last longer...pretty simple.
Now as to $400 pullies....are you a dealer? Really. I've never had a problem with that one and we are MOSTLY a reel-to-reel installer. On Simplexes, the pulley has been a zero cost option too...not $400...after all the pulley lists for under $100 and the is the only part that is added (plus short set screws to affix it). Also, don't use roundthane...you'll never get an even pull...use a V-belt...cheaper, better, longer lasting.
Steve
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Tim Reed
Better Projection Pays

Posts: 5246
From: Northampton, PA
Registered: Sep 1999
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posted 01-25-2009 01:18 AM
I didn't intend to diminish John or his plight, I only offered a probable reason for the policy change. And, I do believe I qualified my rant with: quote: Tim Reed Not that you are guilty of this, John, but it hurts me to hear the badmouthing and the childish name-calling of my company by some on this forum..
I also said that I was not speaking for the company (read: IMHO). That, dear friends, is ALL I was bitching about, because I could just *feel* another bash-fest coming on.
Btw, thanks guys, for your consideration.
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Tony Bandiera Jr
Film God

Posts: 3067
From: Moreland Idaho
Registered: Apr 2004
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posted 01-25-2009 01:55 AM
quote: John Hawkinson I certainly don't mean to bash Strong, but Tony: UPS 3-day Select is good customer service? Umm, not over here it's not. And in this industry that uses next-flight out shipments as frequently as it does.
(I'm spoiled. Our FedEx discount is such that FedEx priority overnight is less than a dollar more than FedEx Express Saver (3-day). After all, if it goes on a plane, it's not as if it is in the carriers' interest to warehouse other people's stuff).
--jhawk
John, with all the trouble I'd had with Strong in the past I was pleasantly surprised that they did do 3-day. UPS' rate for a package that big (and heavy) is really steep, and I know for a fact that you are spoiled with your Fed-Ex deal, as there is a HUGE price gap in UPS' rates for Next-Day and 3-Day services.
quote: Steve Guttag Now as to $400 pullies....are you a dealer? Really. I've never had a problem with that one and we are MOSTLY a reel-to-reel installer. On Simplexes, the pulley has been a zero cost option too...not $400...after all the pulley lists for under $100 and the is the only part that is added (plus short set screws to affix it).
Yep, that was the standard charge for the take-up kits added to the 5-Star at the factory. I was not the dealer, so maybe it was the deal (such that it was) that my dealer had at the time. I do know the charge was from Strong, not my dealer.
Tim, I'm glad you see the posts here in the context of our individual experiences with Strong, and not any reflection on you personally or your working with Strong.
I for one do lament the fact that for whatever reason, there are those at Strong who have made decisions that have had very negative effects on their customer service, and to some extent, the quality of their products.
As Mark has pointed out (in some other threads), there has been some positive things they have done (for example, the porosity issue with the XL projector head castings, I do agree that the main casting is better than the old ones, but whoever came up with that hideous framing handle needs to be shot), but there have sadly been more negatives than positives from them.
As for the old black switchers, I have found them to fall into three categories;
They flame out within the first few hours of operation; They last for quite a while, but when they did fail and Strong repaired them, they kept failing over and over again; or like the one I now have on my own projector, they run seemingly forever. Mine has maxed out the little "mercury" hour meter and it's still going, well Strong.
When it dies I'll be sending it to Mark.
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