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Helping a friend build his Folsom; he opted for a few different components. Below are photos of it mounted on temporary test board being powered by a 24V switching PS. The extra long wires, cheap connectors, and PS just for initial testing. Final resting place will be in a nice aluminum case with a not yet built Antipole PS. It sounds great!
How does it compare to yours with different caps?
Larry,Looks good. You by-passed the Sonicaps with the Jupiter's above the board just like you would in a crossover network, correct?What size is the heat sink?Jay,What do you think of the Jupiters as by-pass caps compared to Sonicap Platinums?You got enough speakers for all your amps? Mike
Hey MikeI can't really do a direct comparison betweenthe Juiter and Platinum bypass yet...I haven't used them in identical positions. But , from wht i have heard, I am a fan of the Jupiter's... I'm using oe on the high pass bundle on the Otticas right now and the high pass filter on a pair of Encores... both are bypassing Gen1 Sonicaps.If there had been more room and no real concern about expense, I'd have sent Larry a pair of either the Jupiter 1.5 uF or SC Platinum 1.5 uf's (not even sure ther eis any stock of the SCP 1.5's left, I beleive there are some 1.0's)and gone with no bypass cap, but both opotions are big and not exactly inexpensive. Just had someone leave a pair of LGK's here for an extended stay but i haven't had a chance to thry them yet, kind of looking forward to that actually jay
Larry,Looks good. You by-passed the Sonicaps with the Jupiter's above the board just like you would in a crossover network, correct?What size is the heat sink?Mike
Jay,I couldn't find any SC Platinum 1.5uF caps either which is why I asked about using 2.0uF the other day.Pricewise I think the 1.5uF Jupiter copper foil wax caps are about $145 each while the SC Platinum 2.0uF are $224 ea.These amps start out pretty reasonable but it's easy to run the price up pretty quick.I look forward to hearing your impressions of the LGK (1.0's I take it?). Mike
Mike, are you wanting this amp to be able to play full range ? I know the 10 uF's would be fine with your Wedgies or the Ottica MTM's I sent down. At 25kohms input impeence, the calcualtor says you'd have a -3db point of 6.37 hz (seems low to me but ? )... I know Jeremy says results may vary a bit but for those speakers and your subs ability to play way up, you'd be fine.Other option is go capless, as mentioned , your Dodd buffer uses output caps so don't think there is any need to be redundent on the DC blocking unless you ara concerned about compatability or want the filtering from the caps.Yes, those speakers i mentioned are the LGK 1.0's, I may try and have a listen to them this weekendAll these DIY builds start off as inexpensive but CAN quickly ramp up.. amps speakers etc, all can grow quickily but i guess without trying the parts, one never knows .I've actually been offered a great deal on a couple of 300VA 15V transformers, they'd be over kill for this but I'm considering using one in place of he Hammond if I go with the Antipole anyway, haven't decided yet jay
I did recieve two because I ordered two chips (just in case ), but what I am referring to is what appears to be separation of layers around the holes at at some of the edges. I had a couple of pieces peel off but when they didn't pull off as a complete sheet but in shards I thought I should ask. Thanks,Ed
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