Modifying an Original Richter scale crossover ???

scutterflux · 29th June 2008, 11:03 PM

So I accidentally bought an original Audiocontrol Richter Scale crossover from Ebay, and I'm sorry but I don't like it.

Are there any mods to be done to increase the slope of the crossover point from 6db/octive low pass and 18db/octave high pass to both being 18db or better yet 24db/octave crossover point? And perhaps even lowering the crossover point to 60Hz? Instead of the 100hz/800hz option I suppose 100Hz/60Hz would be nice.

If there is a thread on this I couldn't find it, so please point me in the right direction.

Thanks

djk · 30th June 2008, 09:58 AM

The high pass is 6dB, the low pass is 18dB.

The frequency is easily changed, the topology of the crossover isn't.

The 4136 opamps aren't the best, Brown Dog sells adaptors for better.

I suggest you use it like the Dahlquist crossover, active low pass with a passive high pass. Upgrade the electrolytic coupling caps.

scutterflux · 30th June 2008, 06:06 PM

Thanks so much for the help, I'll get ahold of Brow Dog shortly. I was thinking of throwing in a passive coil like you say, but I'd like to try modding first. Anyway there's to many highs comming through the sub, I need the sub to drop off quicker. They have it backwards, I'd like to try and fix it.

If anybody knows how to lower the x-over piont, please speak up.

29th June 2008, 11:03 PM	#1
scutterflux diyAudio Member Join Date: Apr 2008	Modifying an Original Richter scale crossover ??? So I accidentally bought an original Audiocontrol Richter Scale crossover from Ebay, and I'm sorry but I don't like it. Are there any mods to be done to increase the slope of the crossover point from 6db/octive low pass and 18db/octave high pass to both being 18db or better yet 24db/octave crossover point? And perhaps even lowering the crossover point to 60Hz? Instead of the 100hz/800hz option I suppose 100Hz/60Hz would be nice. If there is a thread on this I couldn't find it, so please point me in the right direction. Thanks

30th June 2008, 09:58 AM	#2
djk diyAudio Member Join Date: Feb 2001 Location: USA	The high pass is 6dB, the low pass is 18dB. The frequency is easily changed, the topology of the crossover isn't. The 4136 opamps aren't the best, Brown Dog sells adaptors for better. I suggest you use it like the Dahlquist crossover, active low pass with a passive high pass. Upgrade the electrolytic coupling caps. __________________ Candidates for the Darwin Award should not read this author.

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
modifying an original 5.1 reciever	aservantofhis	Parts	0	4th August 2008 03:46 PM
Modifying Behringer CX3400 crossover	OzMikeH	Parts	16	6th January 2008 05:33 PM
audio control richter scale series III	dawgbite	Solid State	1	19th April 2006 06:54 PM
FS: Audiocontrol Richter Scale Series III	elg2001	Swap Meet	0	14th July 2005 06:06 AM
Modifying Crossover Advice	BigMacX	Multi-Way	2	6th August 2002 08:49 AM

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

30th June 2008, 06:06 PM	#3
scutterflux diyAudio Member Join Date: Apr 2008	Thanks so much for the help, I'll get ahold of Brow Dog shortly. I was thinking of throwing in a passive coil like you say, but I'd like to try modding first. Anyway there's to many highs comming through the sub, I need the sub to drop off quicker. They have it backwards, I'd like to try and fix it. If anybody knows how to lower the x-over piont, please speak up.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)