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There are big differences in lead free solders. There are some that can be soldered as easily as solder with lead and with some others your solder joints look like you soldered for the first time.

Lead solder has been outlawed for a while now as it’s poisonous when equipment is discarded and leaches into the ground. It generally has a lower melting point and it’s also more stable and a bit

Hi, original poster here. Big thanks to Jan, Jack and others for addressing my capsule heat-damage concerns. I can approach my "sky-mic" project with greater confidence. Remaining questions:? Solder:

You can use a tiny plier with a rubber band on the handles as a tiny vice. Am Mi., 8. Nov. 2023 um 07:46 Uhr schrieb <j.postma8@...>:

Something to secure your capsule while soldering certainly helps. For small parts, I often use self-closing tweezers. But that may not work too well for round capsules. But maybe it works when

If you want to build something that will Work and sounds good try these: https://www.instructables.com/Camera-Mount-ORTF-Stereo-Microphone/ It will plug into 3.5mm jack and does not need power. Best

Hello, I am a new member and a newbie to recording. I am looking to create a simple, transportable set up to record live rock/jam band concerts from the audience without access to the soundboard. I

SimpleP48.pdf in my Files has a list of resistor values and the resulting Vds for various Primo capsules and 'P48' supplies. It is likely ALL Primo capsules use the same NEC FET so the same

Great! I've just been quoted the same price for the alternatives. Hopefully I can get the shipping done to the UK. I plan to use the following Piezo preamp from the guys at Stompville.

Apparently leaded and unleaded solder don’t mix too well

What's the issue with this? Do the dissimilar alloys not bond well or something?

I don't know how it is possible to crimp to PCB pads. Spot welding is probably possible especially on the capsules with larger pads. Another possibility is spring contacts or pogo pins.

You should be fine with a different size. I built a couple with different ones and they all worked. Best Regards, Jules Ryckebusch

Thanks, Scott, where can I learn more about this? For instance, do these capsules have two or three solder pads? For connecting the needed two or three leads? So then two or three smaller

Crimping is a no-heat alternative. In a factory setting it would be faster, too. -Scott

One thing they recommend is a metal former, basically a chunk of metal with a capsule sized hole drilled in it, with a smaller concentric hole that goes all the way through, to act as a heat sink. You

Forgive me if I'm highjacking a thread here (I did change the subject line), but isn't there an alternative to soldering these valuable and sensitive condenser capsules? Maybe slver clay or paste as

This is good news. Thanks for checking this all out. I tried to get a quote for the 26x23x13 sized tubes but they are unfortunately out of stock. They have 25x21x15 as an alternative, would such a

Regarding the Primo datasheets, I have it from someone at their US distribution arm first-hand that although they test and measure each capsule they manufacture, they do not release those measurements

I am a big fan of the https://www.jlielectronics.com/microphone-capsules/jli-160a11uc680/ and https://www.jlielectronics.com/microphone-capsules/jli-2590a/ They are both very consistent. I am going to