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Started by megatrav, December 28, 2023, 03:02:36 PM
Quote from: Tassieviking on January 10, 2024, 04:55:37 AMThe ICE power modules are well priced for what you get, you can get cheaper modules from China but often you have to buy a power supply and an amplifier and put them together.(And most likely not run them anywhere near the advertised power without dropping out from overheating)The Straight Ahead Amplification power amps seems like someone is just putting pre-bought modules into a cheap box and selling them from home, I could be wrong but I would not buy one unless they have been fully certified for public use like that.If you want and need a really powerful amp then it is best to buy a good quality made one as it will be certified with all the various agencies required nowadays.I don't think that it would be worth the effort to build an amp from scratch if you want to truly be able to gig with it, I believe some venues might not allow non-certified gear to be used due to insurance reasons.If an arena was to burn down because of a musos homemade amp caught fire there could be serious problems with the insurance companies as well as with the legal implications if someone got hurt or worse.If you want your own sound then build a preamp in a stomp-box and run that into the return jack on a commercial amplifier, proper Class-D Bass amps are not that expensive and deliver a lot of power. Certification can cost $20,000-$50,000 to get through for a single amplifier model and that has to be included in the final cost of a proper amp you can buy in the shop.If you just want it for home use then get/make whatever you want and go for it.Have you read Teemu Kyttälä's Book about solid-state guitar amplifiers ?There is more in it then most people will ever need.https://www.ssguitar.com/index.php?topic=711.0
Quote from: phatt on January 13, 2024, 04:34:38 PMJust a note on Digi Amps and SMode supplies.Ok they are cheap, light weight, and so so convenient.But keep in mind, Unlike Smode supplies Iron and Copper Transformers have an indefinite life span, if used within spec.Jezzus Not even god could make a more bullet proof design. I doubt that in 50 years from now that these SMPS circuits will still be running as they are far more complex and hence far more prone to failure. Notice how many Dead computer Power boxes fill bins in repair shops. Now I'm not up to speed on Digi amps but the few I've had the displeasure of working with leaves me thinking that it's hard to beat a basic old school transistor poweramps.Well designed unit go for years without issue. Of course Can caps dry out eventually but simple to replace.with most things now surface mounted and hard to work with it's a throw away item. But by then you find out OH sorry they don't make them anymore. and you are left with land fill. If it interests you Rod Elliot has a ton of info on Amp design, a lot of which is aimed at muso gear.Start here;https://www.sound-au.com/I have found him to be very helpful while trying to build Analog Power Amps.Phil.