This week I've been putting a lot of hours in my amp project, resulting in an aching back 
So, I came up with a simple solution, to working on amps that are a little too heavy to lift.
The boards takes 100kg+, should do for most of us
Ok, the amp has to stay on the floor, but still, it's possible to move it
Magura
So, I came up with a simple solution, to working on amps that are a little too heavy to lift.
The boards takes 100kg+, should do for most of us
Ok, the amp has to stay on the floor, but still, it's possible to move it
Magura
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Of course, there is another solution to amplifiers that give you a back ache...
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An externally hosted image should be here but it was not working when we last tested it.
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Oh, by the way, I purchased a power coil winder off eBay last week. That should end the upper body strain/contortions I go through to wind chokes for my amplifiers.
While my coils aren't nearly as huge an Magura's I hope the winder lives up to my expectations.
I've been scouring all the You-tube videos on coil winders. This will be a first for me...
Any suggestions on the best coil winding techniques?
Oh, and that amp I'm building is only 1 watt per channel... That's what I call art!
While my coils aren't nearly as huge an Magura's I hope the winder lives up to my expectations.
I've been scouring all the You-tube videos on coil winders. This will be a first for me...
Any suggestions on the best coil winding techniques?
Oh, and that amp I'm building is only 1 watt per channel...
That's what I call art!
Magura said:
John's discman, when held by John
Magura
Funny!!! HHaaaaaaaaa........
The first watt is the most important watt an amplifier can make, or so they say.
I agree. I drive an open baffle line array and it generates plenty of acoustical power.
If I use larger conductors, I'm currently using a pair of 11 AWG wires in parallel, then I can get more voltage swing without overheating the choke. The choke currently idles at 90C.
Magura said:
Heatsinking the inductor is the ticket.
Magura
Oooooooooooh... educate me. I'm using powdered iron E cores. Do you just epoxy an aluminum heat sink to the core? BYW, the wire is 40C hotter than the core... weird. Of course, that's only after 2 hours of play time. 8 hours may heat the core to match the wire.
Magura said:
Something isn't right, when things gets that hot.
May I repeat: air core!
Can't help you with iron core stuff, too many unknowns.
Magura
Lots of amperage (around 8 amps per leg) and the 0.4 ohm choke windings generate plenty of heat. I'm only running 8 volts through the system. 3.2v is consumed by the choke. We're talking about 50 watts. That's enough to make a transistor/heat sink sizzle.
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