I'd like to read your article Jim. Please let us know if you find it. Cheers
Casey On 21/02/2012, at 11:11 AM, Jim wrote: > Hi Pete, > > I can't really add anything specific regarding interface with a 3C, however I > have a good deal of experience with subs. First off is that a significant > benefit of the sub is to unburden the main speakers (and amp to a somewhat > lesser degree) of the reproduction of the lowest frequencies. This will > reduce the IMD (Inter Modulation Distortion) component and can really clean > up the sound. So use an outboard cross over to relieve the mains from this > load. > > A few other thoughts (in no particular order) are: the built in crossovers > in most subs are a pretty weak point. I ended up bypassing that part of my > Velodyne UDL 18 and it really helped. They tend to use a very simple, minimum > parts count circuit in this position. Next, you can really optimize the blend > of the sub with the mains (this can be difficult to end up with a "seamless" > transition) by adjusting not only the cross over point, but the steepness of > slope on both sides and the relative gains. > > A simple way to set the sub gain without any test gear is to start with it > at zero, gradually have your helper bring it up while you sit in the "sweet > spot" till you just notice it; then turn it down a bit. That's likely a good > starting point. Try to find the specs on your mains and find where the low F > response starts to drop off; this will help you to establish the cross over > point. > > I have an article I wrote on sub woofer integration a few years back; if I > can find it, I'd be glad to pass it on. However, I think it ended up archived > on a computer I can't get to right now. If you have any specific questions, > I'll be glad to try to answer them. Best of luck! > > Regards, Jim > > > > On 2/20/2012 1:33 PM, pete wrote: >> quick question for the list... >> >> i have a cheap-o active sub i'd like to integrate into my series IIIc here >> (just to get a basic idea of subsonic junk going on in mixes) and am >> wondering the best and or easiest way to go forward. >> adding the sub in parallel with say the speaker A outs (on which there is a >> set of active Dynaudio bm6a) effectively lowering the input imp. seen by the >> master module i take it is not the way to go.... >> my initial thought is to take a line out of the 2-mix #3 in the patchbay and >> send that to the sub... i really wanted to be able to switch it out though >> when i am on the smaller avantone monitors on speaker select A. >> >> any tips from people using subs on their older neotek setups? >> >> thanks!! >> >> pete------ >> >> View the list online at: http://www.mail-archive.com/[email protected] >> >> You can unsubscribe at anytime by sending an email to >> mailto:[email protected] with "unsubscribe neotek" in the message >> body. If you have any difficulties, or questions --please send an email to >> mailto:[email protected]. >> >> The Neotek list is lovingly hosted by Catapult Web. Remember that any >> message or reply sent to the list will be automatically forwarded to all >> subscribers. >> >> Vive Le Neotek! >> >> Thanks. >> > ------ > > View the list online at: http://www.mail-archive.com/[email protected] > > You can unsubscribe at anytime by sending an email to > mailto:[email protected] with "unsubscribe neotek" in the message body. > If you have any difficulties, or questions --please send an email to > mailto:[email protected]. > > The Neotek list is lovingly hosted by Catapult Web. Remember that any message > or reply sent to the list will be automatically forwarded to all subscribers. > > Vive Le Neotek! > > Thanks. Casey Rice PO Box 423 Yarraville VIC 3013 +61 4 2367 2340
