Cardas Soldering Wire Quad Eutectic Silver Solder with rosin flux 1/4 lbs (113g) roll

Fantastic solder for audio applications that doesnt cost a fortune. Melts at very low temperature. Great solder joints. Fairly large quantity.

This solder is pretty expensive but is very high quality. It melts/flows very well. A bit smokier than Im used to with other solders so be sure youre in a well ventilated space.

Now I have no clue if it really performs better than any other solder but it makes me feel warm and fuzzy knowing I used a fancy name brand. It physically solders very well and even a nonprofessional weekend warrior like myself can make beautiful connections.

What can I say, Cardas Quad Eutectic solder is by far the BEST out there. Hands down, I’ve tried them all. From cheap hobby store “silver solder” to the most expensive boutique brands. I restore/repair/upgrade/design Hi end Audio gear. Names like MCIntosh, Conrad Johnson, Cary, etc. equiptment that rivals cars in price sometimes. I need the best. Cardas is it. If you don’t understand the meaning/science behind Euctectic solder, look into it, the more you know. Great for beginners to start with, it’s very very easy to work with. Leaving perfect shiny solid solder work. I see a lot of “amateur soldering” and let me tell you. Most people who “can solder”, can’t. Make sure to use the correct iron, temp and procedure for your work. Also, a solid mechanical connection is always required. Wrap your wire/leads at least once. Use terminals or solder tags, and make sure nothing moves while the solder sets. I see so many cracked, failed, cold solder joints. Also with the Vintage gear becoming popular and everyone being a tech now and “re-capping”, I’m amazed some of these pieces of gear still work. People, just touching the two ends and soldering is not enough. J-hook or use a terminal to join. The joint should be sufficient even WITHOUT solder. The solder should only be needed to “lock” the mechanical joint once hardened. This stuff hardens equally across the metal combo, making for an incredibly safe, solid, secure joint. Ive used Cardas for over a decade and never an issue with a cold solder. I buy the 1lb rolls quite a bit as I use so much. However, a single $30 roll will last the normal hobbiest a lifetime. Nice and thin making waste less of an issue. Again, if you’re going to get into serious work in audio gear. Use Cardas quad eutectic and a good adjustable solder station. Hakko makes a great rig for $100 on Amazon. You can’t beat it At the price and will last a lifetime. Realize PCB and point to Point applications require a much different approach. (Temp) Also, those recapping x-overs, use a heat sink(2-4$) to protect those expensive new caps. Leads heat up quickly and most noobs aren’t quick with an iron. Less is more, both in time heating and solder used. Finally, remember that a shiny joint is needed. Re-due bad solders than and there. Don’t wait til they’re a problem. With what people spend on caps and wire, spring for good solder. Cardas is a real player in the metallurgy game for a long time, fortunately for us audio heads. ***no affiliation at all to Cardas. Usually I don’t post positive reviews. When it’s needed it’s needed.

Pros: Excellent solder found that it melted the best at 350 degrees. I used it mainly for through hole soldering and had very few problems. Flows very smoothly. The silver content is high enough that it conducts very well. This solder reworks extremely well had a couple of fowl ups and had no issue fixing them, Cons: There was a lot of shrink wrap holding the solder together and it took forever to remove. Something that i noticed but was not an issue was the amount of flux that the solder contains internally not terrible just more then i was used to.

Super fine wire easy to use.

Excellent solder - a hidden gem. Proper size (~0.81mm) which is important as anything above 0.8 or so is really pushing it for most electronic work, certainly precision work with audio. Its not the cheapest solder, but its not that expensive considering the quality you get from Cardas. It melts at a very low temperature, which is always good for the longevity of your product/PCB, and it flows beautifully. I did not need to use any extra flux wiring many 24AWG wires and SMD components - the solder provides a clean, smooth flow and the joints come out very nicely. Of course, a proper iron with good tips and technique is essential in soldering, but the Cardas solder provides an easy, efficient, waste-free product for all types of electronic work and certainly in the high end audio sector.

Great product and price.

This is top grade solder. It flows very well and is very nice to use. Properly done joints all have a mirror finish.

I have used Cardas silver bearing solder on several tubed stereo amplifiers etc.that I have built. In fact, if I am building anything sound related I use this. Does it make a difference in sound quality? you may rightfully ask. I will say, Welp, I think it does, however you may not. But thats why I use it. I mean, plus, it IS really good solder. I have always been very pleased with anything I have purchased with the Cardas name so there you have it. I will absolutely buy more when this roll runs out.