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Chip Amps Amplifiers based on integrated circuits

Modulus-86  build thread
Modulus-86  build thread
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Old 23rd June 2018, 09:40 AM   #4261
postpunk is offline postpunk  Germany
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Originally Posted by tomchr View Post
Thank you. You're quite welcome. Thanks for sharing your thoughts.

Tom
I will now have to learn soldering SMD,I need that preamp
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Old 23rd June 2018, 02:04 PM   #4262
BrianL is offline BrianL  United States
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Modulus-86  build thread
Tom's preamp kit uses what are these days considered 'large' SMT components and should be readily soldered at home as long as you have a good soldering iron with a small tip and (for most folks) some magnification, either head-worn or one of those arm-mounted things. I suggest getting a few SMT practice boards that contain a PCB with an assortment of parts to solder. You can find them on eBay or from various companies that cater to the current 'maker movement'. YouTube also has a number of videos that should help you get started.
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Old 23rd June 2018, 03:12 PM   #4263
misterdog is offline misterdog  United Kingdom
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Once you have one of these to actually see the things, the soldering becomes so simple that even I can do it.

LED Lamp Headset Head Light Jeweler Magnifier Magnifying Glass Loupe Headband 663890916839 | eBay

The practice boards mentioned above are invaluable.

Cocktail stick with a dot of flux to pick/place/hold the things down.
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Old 23rd June 2018, 05:36 PM   #4264
tomchr is online now tomchr  Canada
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For those wanting a little more than the magnifying 'headdress', I recommend a dissection microscope with 4-5x magnification and a good ringlight.

Tom
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Old 23rd June 2018, 10:11 PM   #4265
BrianL is offline BrianL  United States
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Modulus-86  build thread
As long as the SMT components are the larger types, I much prefer the headdress. It can be annoying and it can get warm to have on your head, but by its nature stays between your eyeballs and what you're looking at. The dissection or 'inspection' microscope should be 'binocular' as staring through one eye will be tiring. The problem I find with one is that I spend more time trying to get the area I want to see to be within its field of view and in focus. Then I have to wave the soldering iron and solder around until I can locate them. The microscope, though, is a necessity for really tiny SMT components (much smaller than Tom's kit) as the 'Magnivisor'-style doesn't have enough oomph.
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Old Yesterday, 12:13 AM   #4266
BrianL is offline BrianL  United States
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oops, I meant to say 'Optivisor', not 'Magnivisor'.
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