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First One - mosfet amplifier module
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Old 10th May 2014, 12:06 PM   #691
quan is offline quan  Australia
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Quote:
Originally Posted by taccodude View Post
Arrived.
Very fast.
Professional Packing.
Wow that is quick. I can't wait to try FO. At this stage probably with Mr Evil CM dual mono.
Quan
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Old 10th May 2014, 12:43 PM   #692
taccodude is offline taccodude  Germany
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Really like to try it,but got no SMPS yet.
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Old 10th May 2014, 04:02 PM   #693
Lazy Cat is offline Lazy Cat  Slovenia
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Just before listening test, First One with SMPS1200A400.
Attached Images
File Type: jpg FO11.jpg (422.6 KB, 944 views)
File Type: jpg FO12.jpg (465.5 KB, 919 views)
File Type: jpg FO13.jpg (483.8 KB, 897 views)
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Old 10th May 2014, 04:28 PM   #694
Xerxes75 is offline Xerxes75  Netherlands
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Quote:
Originally Posted by taccodude View Post
Really like to try it,but got no SMPS yet.
Man! that must be frustrating..... Hope you get your PS soon...
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Old 10th May 2014, 08:17 PM   #695
BYRTT is offline BYRTT  Denmark
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First One - mosfet amplifier module
Great pictures LC, lot of fuel and horsepower in middle of box to get speaker coils on job .................
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Old 10th May 2014, 08:38 PM   #696
pinnocchio is offline pinnocchio  Canada
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Hi LC,

Are you going to replace those Samwha caps from your SMPS1200A400? If you saw a big jump in SQ with Connex PSUs using different caps, I'm pretty sure you'd have the same effects here?

Thanks
Do
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Old 11th May 2014, 03:25 PM   #697
maxidcx is offline maxidcx  France
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Hi, LC, qestion about 0V (zero volt) and GND/Chassis and earth.
Do you still recomend to have the 0V of the 2 SMPS linked to the chassis in a single point (seems there are 3 black wires on a screw close to the AC outlet on the picture) ?
Did you design the FO PCB to force a 0V connection by the screws of the tranis to the heatsink , like in VSSA ? (seems not on the picture )
and finally, why not having a loop breaking circuit with diodes+R+C like described in ESP Earthing (Grounding) Your Hi-Fi - Tricks and Techniques
thanks
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Old 12th May 2014, 01:45 PM   #698
taccodude is offline taccodude  Germany
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So,how about Your listening Impressions on the Weekend, LC.
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Old 12th May 2014, 01:55 PM   #699
Xerxes75 is offline Xerxes75  Netherlands
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Haha, I didn't wanted to be impatient, but I had to restrain myself to ask the same question....
So....how was your weekend with the FO?
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Old 12th May 2014, 04:31 PM   #700
taccodude is offline taccodude  Germany
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Didn`t have much Time,but looked through Parts and found a fitting Tranformer.
No big Heatsinks, but maybe a small one from an old Rotel Amp is good enough for testing.
And I don`t need that much Power really.
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