DIY amplifiers

[kgveteran]

I'm looking to start a new project and building some mono's for my three mains would be a great place to start.I tryed the DIY forum , but they never activated my account so i gave up.I will need member support as this will be my first venture into DIY amps.I'll look at chip amps as well as mosfet and what ever else is out there.Thanx

[cjd]

Check out the Twisted Pear offerings on the chipamp side. Really solid kits. I can highly recommend their full balanced kit if you want gobs of power.

You can do point to point of course, and there's a certain value in that. But it's a pain.

If you're more adventerous and less interested in finished product being everything you ever wanted the first time 'round, go dig up the PassDIY website.

[peter_m]

This looked interesting before I had to put the brakes on and.. well reconsider my budget for DiY in general So I haven't tried them yet.

http://www.audiosector.com/lm4780.shtml

Have fun!

[Mike P.]

Some interesting stuff at 41hz.com

http://www.41hz.com/

[BobEllis]

Try that DIY site again - there is a group buy brewing for Leach amp boards. Leach is a great sounding amp and the boards from the last round were excellent quality. Scalable from 100-200+w into 8r. To my ear it sounds a lot beter than a point to point chip amp I built.

A Leach is a bit more involved than a chip amp, which only takes a few minutes to put together. Don't be too afraid of it, though. A Leach amp was my first DIY amp. Dr. Leach's boards didn't have a silkscreen to show where to put the parts. The GB boards have a nice silk screen. I was able to stuff four boards in an afternoon while half watching football. Building a presentable case is the hard part anyway.

Disclaimer: Just a GB participant, I don't sell the boards.

[Martyn]

Try Aspen Amplifiers at http://www.aksaonline.com/. I built the AKSA 100N+ a year or so ago. Hugh probably has some part-exchanged PCB modules available which will save you some work and some money. The assembly instructions are good, as is the support on AudioCircle.

[Hdale85]

Try www.aussieamplifiers.com Supposed to be one of the best kits you can build. Well unless you want to do full class a. These are class a/b solid state and use some very good parts. I emailed him the other day he's supposed to be getting the NX150's back in soon. I'm still torn between building these or just buying a nice amp.

[kgveteran]

Thanx guys. Now my family is going to go hungry .But some 950watt mono's will sound sweet!

This will take a while to digest.

KG

[Glen B]

Check out Ampslab kits. I haven't tried the amp kits but I've assembled and installed a pair of the DC protection kits as an upgrade in a Phase Linear Series 2 amp that did not originally have that feature. The designer, Michael Chua was very responsive to after-sale questions I had about the product.
http://www.ampslab.com/products.htm

[zocky]

My DIY amp for subwoofer, all needed schematic and pcb's in PDF: No Longer Available








Regards

Zoran

[TacoD]

beefy plate amp.

Also check the Class-D offerings from Hypex. Sounds very good. (some commercial companies use their OEM modules)

[gmikol]

Zoran...that amp looks great.

I hate to hijack this thread...but, how did you bond the plate to the fins?

--Greg

[TacoD]

I think it's bolted.

[zocky]

I think it's bolted.

exactly

[Dennis H]

Also check the Class-D offerings from Hypex. Sounds very good. (some commercial companies use their OEM modules)

Kits are available from Kevin at diycable. They aren't cheap but they include everything you need including a nice chassis. The various bits and pieces can add up quickly for a DIY amp. Note that the power ratings in the model numbers (180 or 400) are at 4 ohms.

http://www.diycable.com/main/default.php?cPath=140_142

[TacoD]

You can also check Hexateq cases. They also have a pre drilled cabined for an UCD amplifier (the also sell the Hypex parts).

Image not available

[JaxLax]

https://www.ska-audio.com

[kevmurray]

DIY amp stuff

I'll throw in my two cents. Rod Elliot's site has some good free info for DIY including PCBs for several high power amps. If you're serious about DIY I recommend Randy Slone's "High Power Audio Amplifier Construction Manual". This book is really for people who are willing to fabricate their own PCBs since the design will ultimately be your own. Some electronics knowledge is required, though you don't have to be an engineer. The sky is the limit if you design your own.

[69Stingray]

Is there a site that explains the differences between the different style of amps? Tubes, A/B, Class D, Chip, MOSFET, etc.? Maybe a DIY AMP FOR DUMMIES?

[Jed]

I just stumbled upon some used Aragon 8002 amplifiers for an awesome deal. I paid about $200 more not too long ago and these won't last long at the asking price. I know a lot of you are looking for high end performance without the price tag so here's your chance. I don't know this seller though. Just thought I'd pass it along so I don't get tempted to pick up another one.

http://cls.audiogon.com/cgi-bin/cls.pl?ampstran&1206491672

[kgveteran]

Is there a site that explains the differences between the different style of amps? Tubes, A/B, Class D, Chip, MOSFET, etc.? Maybe a DIY AMP FOR DUMMIES?

Since there is no such book I'll have to get to reading some threads

[ThomasW]

http://sound.westhost.com/amp-basics.htm