peniku8 Posted March 6 Report Share Posted March 6 Technically, 4-6KW burst RMS sounds pretty good for high powered drivers, as long as they're not like 10dB into power compression at that point. I'm in the process of designing and building new subs and will be testing them extensively with thermal sensors and in regard to power compression. They're a bit different from the Skram/Skhorn, but use 21ds115's, so the results might be interesting here as well. On a different note, my Skhorn has been sitting in the basement unused for 2 years and I'm not sure if it'll see any use any time soon, it's a bit sad. Quote Link to comment Share on other sites More sharing options...
klipsch Posted March 6 Report Share Posted March 6 36 minutes ago, peniku8 said: On a different note, my Skhorn has been sitting in the basement unused for 2 years and I'm not sure if it'll see any use any time soon, it's a bit sad. Tragic! I'd take it off your hands, but shipping across the pond is probably a bit expensive. Quote Link to comment Share on other sites More sharing options...
peniku8 Posted March 6 Report Share Posted March 6 11 minutes ago, klipsch said: Tragic! I'd take it off your hands, but shipping across the pond is probably a bit expensive. Yea you're probably better off building a new one. You've got that cnc, so should be easy Quote Link to comment Share on other sites More sharing options...
denis johnston Posted March 6 Report Share Posted March 6 I have 4 -18 sw115 bc are there plans for for them or are they the same as 21 box Quote Link to comment Share on other sites More sharing options...
Father Francis Posted March 11 Report Share Posted March 11 On 3/6/2023 at 1:57 PM, peniku8 said: Yea you're probably better off building a new one. You've got that cnc, so should be easy Is it just one or you have two ? Quote Link to comment Share on other sites More sharing options...
peniku8 Posted March 11 Report Share Posted March 11 1 hour ago, Father Francis said: Is it just one or you have two ? I have one Skhorn Quote Link to comment Share on other sites More sharing options...
Father Francis Posted March 11 Report Share Posted March 11 42 minutes ago, peniku8 said: I have one Skhorn If you want to get rid of it pm me the price Quote Link to comment Share on other sites More sharing options...
peniku8 Posted March 12 Report Share Posted March 12 pm sent 1 Quote Link to comment Share on other sites More sharing options...
kipman725 Posted March 13 Report Share Posted March 13 The thermal sensors sound interesting I have thought about adding 1 wire temp sensors to the magnets of our speakers but am a bit stuck for low cost gas tight connectors and cabling and also how to attach the sensors to the magnets. Quote Link to comment Share on other sites More sharing options...
peniku8 Posted March 13 Report Share Posted March 13 7 hours ago, kipman725 said: The thermal sensors sound interesting I have thought about adding 1 wire temp sensors to the magnets of our speakers but am a bit stuck for low cost gas tight connectors and cabling and also how to attach the sensors to the magnets. Technically, you'd use the thermocouple to set limiters and then remove it after that's done, so the simple tape approach would be sufficient. If you want something permanent, you could use thermal epoxy. As for connectors, well, I know that the NL4 MPRXX is air tight, why not use two connectors for the sub and two for the sensor? Quote Link to comment Share on other sites More sharing options...
kipman725 Posted March 18 Report Share Posted March 18 I was trying to avoid audio connectors so that the wrong cable didn't get plugged in. We are building 8 Skrams at the moment with B&C 21SW152. I notice the suspension is super stiff out the box on these drivers but finding the space to do any kind of free air break in is a challenge while also building the subs. Does anyone see an issue performing break in with the driver mounted in the subs and the hatch removed? also failing that I guess break in is actualy not that important and will occour with usage? Quote Link to comment Share on other sites More sharing options...
peniku8 Posted March 18 Report Share Posted March 18 4 hours ago, kipman725 said: I was trying to avoid audio connectors so that the wrong cable didn't get plugged in. We are building 8 Skrams at the moment with B&C 21SW152. I notice the suspension is super stiff out the box on these drivers but finding the space to do any kind of free air break in is a challenge while also building the subs. Does anyone see an issue performing break in with the driver mounted in the subs and the hatch removed? also failing that I guess break in is actualy not that important and will occour with usage? should be fine since the horn loading isn't a high-pressure loading so it should almost behave like in free-air just take an impedance sweep, set the sine wave to the resonance and give'er should be good to go after a few minutes near Xmax and yes, it'll occur with usage, but you'll have to do a few gigs before you can set up the system properly with measurements n stuff, because calibrating the system with subs that'll be slightly different each gig doesn't make much sense 1 Quote Link to comment Share on other sites More sharing options...
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