Active speakers.

castlesteve · 1st November 2003, 12:47 AM

I am looking at building a pair of mono gainclones and installing them inside my speaker cabinets to provide separate power for the woofers in a pair of three ways. Is there any reason not to do this? I am building a pair of 300b monoblocks but feel that they may struggle with driving 3 way speakers. Also where should i go shopping for parts to build these?

Appreciate any help for a first time builder.
Steve.

JCoffey · 1st November 2003, 02:01 AM

www.apexjr.com
They have a prebuilt module by alisis for $50 that has 2 chips per module

Nuuk · 2nd November 2003, 08:14 AM

Personally, I don't like putting electronic circuits inside speaker cabinets. Much better to have them as close as possible but outside the cabinet to minimise any unwanted vibrations.

millwood · 2nd November 2003, 11:13 AM

Quote:

Originally posted by Nuuk
Personally, I don't like putting electronic circuits inside speaker cabinets.

what is exactly where pro audio is moving. Not that it is superior or better.

SY · 2nd November 2003, 12:02 PM

If you're worried about vibration inside the cabinet, consider potting (leave the heatsink free!). I suspect it wouldn't be a real problem, but I'd probably mount mine on the outside, still potted, just to make sure.

vic2 · 2nd November 2003, 01:16 PM

Probably not a bad idea. Look at Pass' Rushmore. I personally don't feel that the electronics shoild be in such an environment unless vibrations can be dealt with very well. However, it does eliminate all the BS about speaker cables.

Vic

JoeBob · 2nd November 2003, 08:14 PM

With active speakers you can tailor the amps to those exact speakers and not worry how they'll preform powering different speakers. My current system is an active speaker system and I enjoy it alot.

phase_accurate · 3rd November 2003, 06:40 AM

For active speakers I most often build a compartment on the back that is sealed from the rest of the speakers. So one has to worry much less about vibrations.
The disadvantage is that the gross volume of the speaker will get much larger compared to putting the electronics into the "acoustical environment".

Regards

Charles

castlesteve · 7th November 2003, 08:34 PM

Thanks to all for the replys. I am going to experiment with various drivers to see what can be accomplished. I`ll post my results later.
Steve.

1st November 2003, 12:47 AM	#1
castlesteve diyAudio Member Join Date: Nov 2003 Location: N. Virginia	Active speakers. I am looking at building a pair of mono gainclones and installing them inside my speaker cabinets to provide separate power for the woofers in a pair of three ways. Is there any reason not to do this? I am building a pair of 300b monoblocks but feel that they may struggle with driving 3 way speakers. Also where should i go shopping for parts to build these? Appreciate any help for a first time builder. Steve.

2nd November 2003, 08:14 AM	#3
Nuuk diyAudio Member Join Date: Feb 2003 Location: Somerset, SW England	Personally, I don't like putting electronic circuits inside speaker cabinets. Much better to have them as close as possible but outside the cabinet to minimise any unwanted vibrations. __________________ The truth need not be veiled, for it veils itself from the eyes of the ignorant.

2nd November 2003, 12:02 PM	#5
SY diyAudio Moderator Join Date: Oct 2002 Location: Austin, TX Blog Entries: 1	If you're worried about vibration inside the cabinet, consider potting (leave the heatsink free!). I suspect it wouldn't be a real problem, but I'd probably mount mine on the outside, still potted, just to make sure. __________________ “Listening to records is like ****ing a picture of Brigitte Bardot.” - Sergiu Celibidache

7th November 2003, 08:34 PM	#9
castlesteve diyAudio Member Join Date: Nov 2003 Location: N. Virginia	Active Speakers Thanks to all for the replys. I am going to experiment with various drivers to see what can be accomplished. I`ll post my results later. Steve.

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


	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

1st November 2003, 02:01 AM	#2
JCoffey diyAudio Member Join Date: May 2003 Location: Atlanta, GA	www.apexjr.com They have a prebuilt module by alisis for $50 that has 2 chips per module

2nd November 2003, 01:16 PM	#6
vic2 diyAudio Member Join Date: Mar 2003 Location: Michigan	Probably not a bad idea. Look at Pass' Rushmore. I personally don't feel that the electronics shoild be in such an environment unless vibrations can be dealt with very well. However, it does eliminate all the BS about speaker cables. Vic

2nd November 2003, 08:14 PM	#7
JoeBob diyAudio Member Join Date: Nov 2001 Location: Montreal, Canada	With active speakers you can tailor the amps to those exact speakers and not worry how they'll preform powering different speakers. My current system is an active speaker system and I enjoy it alot.

3rd November 2003, 06:40 AM	#8
phase_accurate diyAudio Member Join Date: May 2002 Location: Switzerland	For active speakers I most often build a compartment on the back that is sealed from the rest of the speakers. So one has to worry much less about vibrations. The disadvantage is that the gross volume of the speaker will get much larger compared to putting the electronics into the "acoustical environment". Regards Charles

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

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
TAD active speakers	A_TAD_Baffled	Multi-Way	3	11th December 2007 02:04 PM
Active speakers	stulloyd	Multi-Way	6	3rd May 2007 08:23 PM
Active speakers	DJ Sense	Parts	1	8th June 2006 09:05 PM
Active speakers	Mr Evil	Multi-Way	10	15th October 2004 07:04 PM
active speakers?..	bafke	Multi-Way	2	9th June 2003 03:50 PM

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