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In Reply to: RE: Quickie upgrades & modifications posted by Paul Joppa on October 11, 2009 at 11:52:31
Thank you for the excellent (yet still comprehensible) explanation! I had thought about building some sort of constant current source for the Quickie, since the C4S boards really have made my SEX amp and Seduction sound better than ever (as well as louder). It sounds like the aforementioned chokes would be a simple and relatively cheap way to get those same benefits in the Quickie.
I do wonder if the extra 16oz. of weight would be good for the acrylic plate if these were mounted to "hang" on the underside of the board, esp. considering that I have Specos in there already - maybe mounting these sideways on the inside the wooden base and running extra wire to them would be a better idea.....
Follow Ups:
I'm running an extra set of iron on standoffs on either side of the output RCA's, hanging down. They are near the edges of the acrylic plate, so are well supported by the base. Seems to work fine.
Those aren't for the plate chokes, but crossover chokes. I have some LC low pass filters after the Speco's, before the RCA's. I do plan to add the Hammond chokes later, though. I think the acrylic can handle it, if not left in the sun for too long.
BTW for anyone interested, I need 500 ohms feeding the low pass, so I am using the Speco 1K taps for now (since it has an 8K input that we are using as a 4K input). Once I get the chokes in, I'll try switching to the 500 ohm tap. Output impedance should double back up to 500 ohms, and gain should bring the volume back up, too, I'm thinking.
Triamp... Take a load off!
Where did you get the standoffs from? I didn't think of that, though that's actually the way the power transformer is mounted in my newer Seduction.
I ordered the Hammonds last night - it will be interesting to hear any changes they bring to the Quickie once they're installed (likely towards the end of the week, I'd think).
I had a bunch of standoffs in my parts drawer (actually parts cabinets by now), so I pulled out two pair. I think the ones I used were from the original Paramour iron upgrade kit. They are plastic.
But you can purchase standoffs from any electronics house. I usually order from mouser.com. You can filter your choices on material, thread size, length, hex vs. cylindrical, threaded both ends or one end stud, etc. Same with digikey.com.
I usually order aluminum hex, threaded both ends, and length just a little longer than what I think I need (that's just me) unless space is cramped. Here it would be #4-40 female thread both ends.
Yes, please post on the sound with the chokes! I'm sure I'm not the only one interested.
Triamp... Take a load off!
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