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Corsair TX line changed in secret - Page 14

post #131 of 209
Quote:
Originally Posted by sLowEnd;11794412 
Congrats smile.gif
Do you know if it's a guy or girl?

I'm pretty sure his Wife is a girl
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post #132 of 209
Thread Starter 
Quote:
Originally Posted by TheLaw;11794393 
If Thermaltake did it...fine
If Cooler Master did it...cool

They do do that... Constantly.
post #133 of 209
Some suggestions for the CX430:

-Heatsink the bridge rectifier and a little bit better than 3.5A (@ 100C) for crying out loud This is probably one of the main problems here. A 15A bridge would cost maybe $0.50 more per unit. And even if the heatsink is small, any heatsink is better than none.

-Increase the capacitance on the primary capacitor. 180uF really doesn't cut it...at all. I don't know how much that Samxon capacitor costs, but a decent 330-390uF capacitor couldn't possibly cost that much more. (Maybe it does) If you want to be cheap, a Teapo is acceptable. Samxon worries me a little bit.

-Screw the black soldermask. As a rule, manufacturers usually charge more for a black PCB. Maybe it costs the same as green...but the point is: Since it is a single sided board, what purpose does the soldermask on the component side hold? Save yourself $0.50 there and put it in some better capacitors or something.

-Get rid of the Yate.
I have to confess, I'm not sure how expensive Yates (OEM) compared to other fans. But, seeing that some more important matters need to be adressed in this PSU, maybe going for a cheaper fan wouldn't be all that bad of an idea. Save some money there and get some better components. Like getting rid of that horrible Jun Fu cap on the secondary.

(I have no electrical engineering degree, but I do consider myself to have a pretty good understanding of electronics.)
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post #134 of 209
Thread Starter 
I hadn't seen SamXon in PSUs much until the CX430, mostly in ultra-cheapies, but I've since heard that they're about on par with Teapo or slightly better. A SamXon might still be fine, but a 230uF+ would be vastly preferable to the current cap.
post #135 of 209
Quote:
Originally Posted by TheLaw;11794795 
Some suggestions for the CX430:

-Heatsink the bridge rectifier and a little bit better than 3.5A (@ 100C) for crying out loud This is probably one of the main problems here. A 15A bridge would cost maybe $0.50 more per unit. And even if the heatsink is small, any heatsink is better than none.

-Increase the capacitance on the primary capacitor. 180uF really doesn't cut it...at all. I don't know how much that Samxon capacitor costs, but a decent 330-390uF capacitor couldn't possibly cost that much more. (Maybe it does) If you want to be cheap, a Teapo is acceptable. Samxon worries me a little bit.

-Screw the black soldermask. As a rule, manufacturers usually charge more for a black PCB. Maybe it costs the same as green...but the point is: Since it is a single sided board, what purpose does the soldermask on the component side hold? Save yourself $0.50 there and put it in some better capacitors or something.

-Get rid of the Yate.
I have to confess, I'm not sure how expensive Yates (OEM) compared to other fans. But, seeing that some more important matters need to be adressed in this PSU, maybe going for a cheaper fan wouldn't be all that bad of an idea. Save some money there and get some better components. Like getting rid of that horrible Jun Fu cap on the secondary.

(I have no electrical engineering degree, but I do consider myself to have a pretty good understanding of electronics.)

very much agree.

Even if we only get the first one, that would still be a fast improvement
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post #136 of 209
Quote:
Originally Posted by TheLaw;11794795 
Some suggestions for the CX430:

-Heatsink the bridge rectifier and a little bit better than 3.5A (@ 100C) for crying out loud This is probably one of the main problems here. A 15A bridge would cost maybe $0.50 more per unit. And even if the heatsink is small, any heatsink is better than none.

From our PSU engineer:

Rectifier diode case temperature is the key. The diode package is rated at 8A at 100C case temperature. In our design the bridge rectifier does not exceed 100C.
Quote:
-Increase the capacitance on the primary capacitor. 180uF really doesn't cut it...at all. I don't know how much that Samxon capacitor costs, but a decent 330-390uF capacitor couldn't possibly cost that much more. (Maybe it does) If you want to be cheap, a Teapo is acceptable. Samxon worries me a little bit.

-Screw the black soldermask. As a rule, manufacturers usually charge more for a black PCB. Maybe it costs the same as green...but the point is: Since it is a single sided board, what purpose does the soldermask on the component side hold? Save yourself $0.50 there and put it in some better capacitors or something.

-Get rid of the Yate.
I have to confess, I'm not sure how expensive Yates (OEM) compared to other fans. But, seeing that some more important matters need to be adressed in this PSU, maybe going for a cheaper fan wouldn't be all that bad of an idea. Save some money there and get some better components. Like getting rid of that horrible Jun Fu cap on the secondary.

(I have no electrical engineering degree, but I do consider myself to have a pretty good understanding of electronics.)

I'll send your feedback onto our engineering team, but as far as the black soldermask and yate loon fan go, we buy in large enough quantities that he price doesn't negatively impact the product. At this point, for us, black soldermask is pretty much free.
post #137 of 209
Quote:
Originally Posted by sLowEnd;11794412 
Congrats smile.gif
Do you know if it's a guy or girl?

No clue. She wanted to be surprised and I can't keep a secret, so I didn't get to find out either. The nursery is all green and yellow, which are supposedly gender neutral.
Quote:
Originally Posted by Phaedrus2129;11794417 
Of course. I hope any lessons learned here carry through and are applied to future products.

In the meantime, in the spirit of transparency, can you look into a few things?
1.) When did the -C models ship to retailers?
2.) Are the -C models still be packaged in the original packaging, despite differences in specs and marketing? (for instance, rated at 40C instead of 50C, at least by CWT)
3.) Has the VX550 been replaced with a PSHII model and will we see it labeled as CMPSU-550VX-C?
4.) Ditto for the HX650

1) Probably early Q3, sometime in July I would guess. It wasn't done across all accounts and all regions, but targeted specific regions first to help with supply issues.
2) The packaging was rev'd slightly to make up for the changes. (for example, TX650 went from 120mm to 140mm fan, TX750 has 25A on +5V instead of 30A, etc). As for the 40C/50C thing, we made changes so that the platform would pass our specs at 50C, so the components aren't all identical to standard PSHII.
3) VX550 is still PSH.
4) HX650 is Seasonic sourced, not sure on exact platform, but it is still Seasonic.
Quote:
And I still highly suggest sending out the TX650-C for review, as that's from a completely different manufacturer. That, at least, probably warrants new reviews.

And I hope you won't mind too much if the new CX series falls into the same category as the Antec Basiq series; seldom recommended unless highly discounted.

Oh, and congratulations on the kid. smile.gif


As for the TX650-C for review, I'll look into it, we might send one or two out to some of the sites.

The CX vs. Antec Basiq is entirely okay with me. I wouldn't put either in a gaming rig, and that comparison is apt.

Thanks!
post #138 of 209
Quote:
Originally Posted by reflex99;11794418 
I'm pretty sure his Wife is a girl

If not, I'm calling Guinness.
post #139 of 209
Quote:
Originally Posted by Phaedrus2129;11794109 
The CX series was never intended to be world class, but the problem is that you've built yourselves an image of being world class. I could probably find a dozen technicians in as many hours who don't see any difference between the CX600 and the HX650 except the price, modularity, and 50W.

If a technician can't bother to keep up to date on components, then I wouldn't want him/her working on my stuff. Simple as that. Things change in technology. Keep up or keep out. Those were probably the same techs who kept saying "AMD is crap" and kept selling Pentium 4 systems when socket 939 was kicking butt and taking names. Then they belatedly kept selling AMD socket AM2 systems when Core 2 Duo was king.

Seriously, I wouldn't think self professed "computer techs" were such ignoramuses, but I keep getting surprised. headscratch.gif
Quote:
Originally Posted by Phaedrus2129;11794109 
I would have no problem with the CX430, if it was labeled as a 300-350W unit rated at 40C... What next, counting the +5VSB and -12V like Ultra does?

The Corsair Builder series would still be better than the Ultra Lifetime Series, no matter how you count the watts. tongue.gif
Quote:
Originally Posted by TheLaw;11794393 
What Corsair has done to its CX line is unexcusable. The CX400 was THE low power PSU of choice for almost the entire two years it was in service. The CX430: What are we to think of that?

The CX400 was popular only when Corsair sold them at a (rebated) loss. IIRC (and Redbeard can correct me if I'm wrong) the CX400 was supposed to be a $70 MSRP power supply. How many of you guys bought one at $70? [crickets chirping] How many of you bought one at under $50? [all hands go up] I picked up a CX400 as a spare for $20 after rebate with free shipping. Again, Redbeard can correct me if I'm wrong, but I'm positive that $20 is well below Corsair's cost, let alone anything Newegg wanted to make on top of that.

The CX400 went away because nobody wanted it... when it was priced to not incur a loss.
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post #140 of 209
Quote:
Originally Posted by CorsairGeorge;11795060 
If not, I'm calling Guinness.
Now is that because you think you'd be the first Husband with another Husband to give birth, or because you'd need a plants worth of beer to take in the idea? tongue.gif
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