can i get an amp?

radiohead · 29th October 2004, 08:07 AM

Hey I a couple of questions.

#1 I have a set of 2 150 watt speakers running from the same connection line,do i need to hook an amp up to get optimal preformance?

#2 Do I need a single 150watt amp or do I just need a single 300watt amp?

#3 If possible could i get one of you guys to build me an amp?Ill pay for the parts and labour.

thanx alot for reading this

vdi_nenna · 29th October 2004, 01:46 PM

Why do you think you couldn't do it yourself?

#1. Do you have 2 speakers running from one amp?

2#. Is this setup for a PA system\DJ or audio reproduction system?

3#. What type of speakers are you using? IS this a stereo setup you are looking to make?

Vince

radiohead · 30th October 2004, 07:49 AM

#1 no the speakers arent running off an amp at the moment.

#2 its a car stereo system

#3 the speakers are roadmaster 6 inch subs "very good speakers they just arent getting enough juice" and i guese its stereo :P

im new to all this diy audio stuff,thats why i dont think i can do it lol.
im just looking for sugestions and a little help with setting it up

.

cunningham · 30th October 2004, 07:15 PM

I think this thread may belong in the car audio section...but anyway, if you are running these speakers off of the head unit, I doubt if it can drive them. You should use a seperate low pass filter + amp. There is more than one way to wire them, but as for starters, you want to choose an amp that is not too powerful. For good sounding results and longer life, don't drive the speakers much more than 60% - maybe 70%(depends on brand or quality) of rated power because the diaphragm movement will no longer be linear. Also you can wear out the reflex & spider. I suggest buying an amp with as much or slightly less max output than what the speakers are rated and turn the amp gain to about 60% power. This way the amp is not working super hard(less THD) and the speakers will last longer.

sss · 30th October 2004, 09:26 PM

its much harder to make car amps,u should find someone that will make one for u in the US

paulb · 30th October 2004, 10:07 PM

It's WAY cheaper to buy a car amp than build one. Even if the labor is cheap.

radiohead · 31st October 2004, 07:32 AM

Thanx for all your suggestions and help guys you can be assured that it is greatly appretiated

31st October 2004, 07:32 AM	#7
radiohead diyAudio Member Join Date: Dec 2003 Location: mississippi	thanx Thanx for all your suggestions and help guys you can be assured that it is greatly appretiated

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

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

29th October 2004, 08:07 AM	#1
radiohead diyAudio Member Join Date: Dec 2003 Location: mississippi	can i get an amp? Hey I a couple of questions. #1 I have a set of 2 150 watt speakers running from the same connection line,do i need to hook an amp up to get optimal preformance? #2 Do I need a single 150watt amp or do I just need a single 300watt amp? #3 If possible could i get one of you guys to build me an amp?Ill pay for the parts and labour. thanx alot for reading this

29th October 2004, 01:46 PM	#2
vdi_nenna diyAudio Member Join Date: Oct 2000 Location: PA, USA Blog Entries: 1	Why do you think you couldn't do it yourself? #1. Do you have 2 speakers running from one amp? 2#. Is this setup for a PA system\DJ or audio reproduction system? 3#. What type of speakers are you using? IS this a stereo setup you are looking to make? Vince

30th October 2004, 07:49 AM	#3
radiohead diyAudio Member Join Date: Dec 2003 Location: mississippi	answer #1 no the speakers arent running off an amp at the moment. #2 its a car stereo system #3 the speakers are roadmaster 6 inch subs "very good speakers they just arent getting enough juice" and i guese its stereo :P im new to all this diy audio stuff,thats why i dont think i can do it lol. im just looking for sugestions and a little help with setting it up .

30th October 2004, 07:15 PM	#4
cunningham diyAudio Member Join Date: Jun 2004 Location: Knoxville	I think this thread may belong in the car audio section...but anyway, if you are running these speakers off of the head unit, I doubt if it can drive them. You should use a seperate low pass filter + amp. There is more than one way to wire them, but as for starters, you want to choose an amp that is not too powerful. For good sounding results and longer life, don't drive the speakers much more than 60% - maybe 70%(depends on brand or quality) of rated power because the diaphragm movement will no longer be linear. Also you can wear out the reflex & spider. I suggest buying an amp with as much or slightly less max output than what the speakers are rated and turn the amp gain to about 60% power. This way the amp is not working super hard(less THD) and the speakers will last longer.

30th October 2004, 09:26 PM	#5
sss diyAudio Member Join Date: Jul 2003 Location: Israel , haifa	its much harder to make car amps,u should find someone that will make one for u in the US

30th October 2004, 10:07 PM	#6
paulb diyAudio Member Join Date: Jun 2001 Location: Calgary	It's WAY cheaper to buy a car amp than build one. Even if the labor is cheap.