Legacy LA 430 Series 4

namyenruoj · 06-18-2009, 02:43 PM

I finally installed this power amp for my 1998 Rav4 stock player. I also installed this converter from my speaker wires to go to amp RCA input.
I noticed that if turned the volume up my amp quits but I know I still have power because the LED from the AMP unit still on. What I do i turned the player OFF then ON the amp comes on as well but it quits again. I have two channel on this but I only have 1 sub so i brigged it (in-series). Is this right

**Coolfreak** · 06-18-2009, 08:37 PM

Sounds like the amp is going into protection mode. Check all your connections and be sure it's grounded correctly.

namyenruoj · 06-18-2009, 11:52 PM

you are right the unit is going into protection mode. how does this protection mode works anyway? how do you really check if you have a good grounding?. i connected the ground wire from the amp unit to the floor body and screwed the terminal with a #8 teck (self tapping) screw. i also scraped some of the paint off. if this is the case i will add an extra length of wire to reach where the seat belt is bolted i might get the proper grounding there.
i wanted to bridge my speakers as well to get the maximum power. do you put them in series.
by the way all of my settings from the amp unit are all minimum because if i increase them the unit quits.

**Coolfreak** · 06-19-2009, 08:32 AM

Try wiring your subs to just one side of the amp instead of bridging them - I don't know enough about car audio to help you much further.

Protection mode is just that - a protection. It protects the amp itself and the subs somewhat. Too much power is going to cause the protection to turn on.

It also could be the amp going bad.

namyenruoj · 06-19-2009, 10:26 PM

i wired my sub only to one side of the amp. the other pair is empty. all the settings are still on minimum level because if i turned my volume up my amp will quit

jaggerwild · 06-20-2009, 04:37 AM

On the converter from the factory wires, there is a volume adjustment. You may try turning it down see if it helps.

namyenruoj · 06-20-2009, 11:46 AM

i'm sorry jaggerwild no adjustment on it. Stinger model# SLOC fixed line output converter - 2 channel - fixed - 12 watts per channel. it makes me wonder because i only screwed the heavy gauge ground wire from the amp unit to the floor body by using #8 teck screw. would that give out problem

jaggerwild · 06-21-2009, 02:33 PM

As long as it is the proper guage wire and a sold SNUG ground then I would not think so. There is a sticky in this thread by Lee about different things for car audio that may help you out. If not post back, it is summer time. The amp may be over heating, make sure it has fresh air near it, are you using NEW RCA cables? I have seen known good ones not work and make a ten minute job into a three hour job. Try using a different convertor?
Read this link
http://www.techsupportforum.com/automotive-center/car-audio/384529-amplifier-information.html

lcurle · 06-21-2009, 07:39 PM

your amp doesnt have a high level input? most of them do these days so you do not need a line level converter.

Do you have a dual voice coil subwoofer? if so how is it wired and is the amp stable in the ohm range your are wiring it to?

namyenruoj · 06-22-2009, 06:47 PM

by the way jaggerwild i bought this amp kit with #8 gauge wire everything included as well as RCA cable. about the subwoofer coil i have no idea what that is. i bought the sub from future shop discontinued and on sale. it came with the box. 12" pioneer (champion series) basswork. i have some pictures but i don't know how to paste them here. to keep you updated i rewired my ground to a different location where i think i can get a good grounding. when tried it out again the same thing happens. i can not set the LFP setting to full so all my setting are on min level.

lcurle · 06-23-2009, 09:29 AM

Where your ground is connected, did you sand off any paint in that area? Are you using s stinger ground connector or just a ring terminal and a bolt? You said your amp is set to zero, turn your cd player up half way and tune your amp. make sure your head unit is set to 0 on the bass, sub level, loud is off, and eq should be on custom.

namyenruoj · 06-24-2009, 05:36 PM

i used the ring terminal and a bolt. i am using the same ground bolt (location) where the existing ground wires are connected. from the amp all the settings are on min i guess 0, LFP min not in "FULL" and the other adjustment are all in min or 0. i don't think i have an option from my stock radio loud "ON or OFF". no equalizer. with these settings i can go 3/4 of the volume and the amp is still okbut once i chage some settings like the sub level the amp will quit. once i change the LFP selector to max the amp will quit. by the way i am just using i channel out of this amp (+ and -), the other channel no wires at all

lcurle · 06-25-2009, 08:23 PM

It sounds like a ohms issue to me.

namyenruoj · 06-26-2009, 07:04 AM

what do you mean Mr. Lee

lcurle · 06-29-2009, 07:32 AM

Can you post the specs on your amplifier here?

8ohm - ?? watts
4ohm - ?? watts
2ohm - ?? watts
1 ohm - ?? watts

Also, is your one subwoofer single or dual voice coil? if it is a dual voice coil, how many ohms are each voice coil?

namyenruoj · 06-29-2009, 11:41 PM

are you talking about my sub woofer? thanks Mr Lee. i will open up the box and see what i have in it

namyenruoj · 07-01-2009, 07:36 PM

Mr. Lee. I took the speaker out of the box and this is what i get.
Pioneer TS-W307D4
400 watts NOM
1200 watts MAX
4 ohms DVC
83 oz. double stacked magnets
double aimants DE 2.4 kg
I hope this help.

namyenruoj · 07-01-2009, 07:45 PM

i forgot to mention on the back of the speaker. it has 4 terminals.
it's been wired (+) to (+) and then (-) to (-).

lcurle · 07-01-2009, 10:15 PM

This is how you need to connect your subwoofer and make sure the amp is the proper stable ohm or it will not work correctly.
Connecting the two voice coils of the driver in series (+ to -) will result in the following impedances:
Dual-6 Ohm Subwoofer: 12 Ohms
Dual-4 Ohm Subwoofer: 8 Ohms
Dual-2 Ohm Subwoofer: 4 Ohms
Dual-1.5 Ohm Subwoofer: 3 Ohms

namyenruoj · 07-02-2009, 01:11 AM

what will happen if i do this. i can be able to crank up my amp and my amp will not quit to go to protection mode

06-18-2009, 02:43 PM	#1 (permalink)
namyenruoj Registered User Join Date: May 2009 Location: B.C. Canada Posts: 64 OS: xp	Legacy LA 430 Series 4 I finally installed this power amp for my 1998 Rav4 stock player. I also installed this converter from my speaker wires to go to amp RCA input. I noticed that if turned the volume up my amp quits but I know I still have power because the LED from the AMP unit still on. What I do i turned the player OFF then ON the amp comes on as well but it quits again. I have two channel on this but I only have 1 sub so i brigged it (in-series). Is this right __________________ "High Voltage"

06-18-2009, 08:37 PM	#2 (permalink)
Coolfreak Mentor, Microsoft Support Join Date: May 2008 Location: Wilkes-Barre, PA Posts: 3,127 OS: Windows XP Pro / Windows Vista / Windows 7	Re: Legacy LA 430 Series 4 Sounds like the amp is going into protection mode. Check all your connections and be sure it's grounded correctly. __________________ I subscribe to all threads I post in. But, if in case I don't or I forget, and I don't post back within 24 hours, please PM me. I will get back to your thread ASAP. #2 Texas Longhorns 8-0 Everest ~ DBAN ~ UBCD4WIN ~ ImgBurn ~ Memtest86+ ~ HDD Diags

06-18-2009, 11:52 PM	#3 (permalink)
namyenruoj Registered User Join Date: May 2009 Location: B.C. Canada Posts: 64 OS: xp	Re: Legacy LA 430 Series 4 you are right the unit is going into protection mode. how does this protection mode works anyway? how do you really check if you have a good grounding?. i connected the ground wire from the amp unit to the floor body and screwed the terminal with a #8 teck (self tapping) screw. i also scraped some of the paint off. if this is the case i will add an extra length of wire to reach where the seat belt is bolted i might get the proper grounding there. i wanted to bridge my speakers as well to get the maximum power. do you put them in series. by the way all of my settings from the amp unit are all minimum because if i increase them the unit quits. __________________ "High Voltage"

06-19-2009, 08:32 AM	#4 (permalink)
Coolfreak Mentor, Microsoft Support Join Date: May 2008 Location: Wilkes-Barre, PA Posts: 3,127 OS: Windows XP Pro / Windows Vista / Windows 7	Re: Legacy LA 430 Series 4 Try wiring your subs to just one side of the amp instead of bridging them - I don't know enough about car audio to help you much further. Protection mode is just that - a protection. It protects the amp itself and the subs somewhat. Too much power is going to cause the protection to turn on. It also could be the amp going bad. __________________ I subscribe to all threads I post in. But, if in case I don't or I forget, and I don't post back within 24 hours, please PM me. I will get back to your thread ASAP. #2 Texas Longhorns 8-0 Everest ~ DBAN ~ UBCD4WIN ~ ImgBurn ~ Memtest86+ ~ HDD Diags

06-19-2009, 10:26 PM	#5 (permalink)
namyenruoj Registered User Join Date: May 2009 Location: B.C. Canada Posts: 64 OS: xp	Re: Legacy LA 430 Series 4 i wired my sub only to one side of the amp. the other pair is empty. all the settings are still on minimum level because if i turned my volume up my amp will quit __________________ "High Voltage"

06-20-2009, 04:37 AM	#6 (permalink)
jaggerwild TSF Gearhead Join Date: May 2007 Location: NY Posts: 817 OS: Windows XP32 bit/Vista HB 64bit My System	Re: Legacy LA 430 Series 4 On the converter from the factory wires, there is a volume adjustment. You may try turning it down see if it helps. __________________ Please if you need help, start a new thread with questions only after reading the first few sticky's up top. http://www.techsupportforum.com/auto...ter/car-audio/ A Link for Viper alarm owners http://www.directed.com/Support/Prod...es/Owners.aspx

06-20-2009, 11:46 AM	#7 (permalink)
namyenruoj Registered User Join Date: May 2009 Location: B.C. Canada Posts: 64 OS: xp	Re: Legacy LA 430 Series 4 i'm sorry jaggerwild no adjustment on it. Stinger model# SLOC fixed line output converter - 2 channel - fixed - 12 watts per channel. it makes me wonder because i only screwed the heavy gauge ground wire from the amp unit to the floor body by using #8 teck screw. would that give out problem __________________ "High Voltage"

06-21-2009, 02:33 PM	#8 (permalink)
jaggerwild TSF Gearhead Join Date: May 2007 Location: NY Posts: 817 OS: Windows XP32 bit/Vista HB 64bit My System	Re: Legacy LA 430 Series 4 As long as it is the proper guage wire and a sold SNUG ground then I would not think so. There is a sticky in this thread by Lee about different things for car audio that may help you out. If not post back, it is summer time. The amp may be over heating, make sure it has fresh air near it, are you using NEW RCA cables? I have seen known good ones not work and make a ten minute job into a three hour job. Try using a different convertor? Read this link http://www.techsupportforum.com/automotive-center/car-audio/384529-amplifier-information.html __________________ Please if you need help, start a new thread with questions only after reading the first few sticky's up top. http://www.techsupportforum.com/auto...ter/car-audio/ A Link for Viper alarm owners http://www.directed.com/Support/Prod...es/Owners.aspx Last edited by jaggerwild; 06-21-2009 at 02:37 PM.

06-21-2009, 07:39 PM	#9 (permalink)
lcurle TSF Gearhead (Audio) Join Date: Oct 2008 Location: Newton, Kansas Posts: 587 OS: Xp Pro SP3	Re: Legacy LA 430 Series 4 your amp doesnt have a high level input? most of them do these days so you do not need a line level converter. Do you have a dual voice coil subwoofer? if so how is it wired and is the amp stable in the ohm range your are wiring it to? __________________ Lee - MECP Certified "Any advice given on this forum is intended for helping and assisting the end user with their issue at hand. Personal saftey is important when working on any vehicle."

06-22-2009, 06:47 PM	#10 (permalink)
namyenruoj Registered User Join Date: May 2009 Location: B.C. Canada Posts: 64 OS: xp	Re: Legacy LA 430 Series 4 by the way jaggerwild i bought this amp kit with #8 gauge wire everything included as well as RCA cable. about the subwoofer coil i have no idea what that is. i bought the sub from future shop discontinued and on sale. it came with the box. 12" pioneer (champion series) basswork. i have some pictures but i don't know how to paste them here. to keep you updated i rewired my ground to a different location where i think i can get a good grounding. when tried it out again the same thing happens. i can not set the LFP setting to full so all my setting are on min level. __________________ "High Voltage"

06-23-2009, 09:29 AM	#11 (permalink)
lcurle TSF Gearhead (Audio) Join Date: Oct 2008 Location: Newton, Kansas Posts: 587 OS: Xp Pro SP3	Re: Legacy LA 430 Series 4 Where your ground is connected, did you sand off any paint in that area? Are you using s stinger ground connector or just a ring terminal and a bolt? You said your amp is set to zero, turn your cd player up half way and tune your amp. make sure your head unit is set to 0 on the bass, sub level, loud is off, and eq should be on custom. __________________ Lee - MECP Certified "Any advice given on this forum is intended for helping and assisting the end user with their issue at hand. Personal saftey is important when working on any vehicle."

06-24-2009, 05:36 PM	#12 (permalink)
namyenruoj Registered User Join Date: May 2009 Location: B.C. Canada Posts: 64 OS: xp	Re: Legacy LA 430 Series 4 i used the ring terminal and a bolt. i am using the same ground bolt (location) where the existing ground wires are connected. from the amp all the settings are on min i guess 0, LFP min not in "FULL" and the other adjustment are all in min or 0. i don't think i have an option from my stock radio loud "ON or OFF". no equalizer. with these settings i can go 3/4 of the volume and the amp is still okbut once i chage some settings like the sub level the amp will quit. once i change the LFP selector to max the amp will quit. by the way i am just using i channel out of this amp (+ and -), the other channel no wires at all __________________ "High Voltage"

06-25-2009, 08:23 PM	#13 (permalink)
lcurle TSF Gearhead (Audio) Join Date: Oct 2008 Location: Newton, Kansas Posts: 587 OS: Xp Pro SP3	Re: Legacy LA 430 Series 4 It sounds like a ohms issue to me. __________________ Lee - MECP Certified "Any advice given on this forum is intended for helping and assisting the end user with their issue at hand. Personal saftey is important when working on any vehicle."

06-26-2009, 07:04 AM	#14 (permalink)
namyenruoj Registered User Join Date: May 2009 Location: B.C. Canada Posts: 64 OS: xp	Re: Legacy LA 430 Series 4 what do you mean Mr. Lee __________________ "High Voltage"

06-29-2009, 07:32 AM	#15 (permalink)
lcurle TSF Gearhead (Audio) Join Date: Oct 2008 Location: Newton, Kansas Posts: 587 OS: Xp Pro SP3	Re: Legacy LA 430 Series 4 Can you post the specs on your amplifier here? 8ohm - ?? watts 4ohm - ?? watts 2ohm - ?? watts 1 ohm - ?? watts Also, is your one subwoofer single or dual voice coil? if it is a dual voice coil, how many ohms are each voice coil? __________________ Lee - MECP Certified "Any advice given on this forum is intended for helping and assisting the end user with their issue at hand. Personal saftey is important when working on any vehicle."

06-29-2009, 11:41 PM	#16 (permalink)
namyenruoj Registered User Join Date: May 2009 Location: B.C. Canada Posts: 64 OS: xp	Re: Legacy LA 430 Series 4 are you talking about my sub woofer? thanks Mr Lee. i will open up the box and see what i have in it __________________ "High Voltage"

07-01-2009, 07:36 PM	#17 (permalink)
namyenruoj Registered User Join Date: May 2009 Location: B.C. Canada Posts: 64 OS: xp	Re: Legacy LA 430 Series 4 Mr. Lee. I took the speaker out of the box and this is what i get. Pioneer TS-W307D4 400 watts NOM 1200 watts MAX 4 ohms DVC 83 oz. double stacked magnets double aimants DE 2.4 kg I hope this help. __________________ "High Voltage"

07-01-2009, 07:45 PM	#18 (permalink)
namyenruoj Registered User Join Date: May 2009 Location: B.C. Canada Posts: 64 OS: xp	Re: Legacy LA 430 Series 4 i forgot to mention on the back of the speaker. it has 4 terminals. it's been wired (+) to (+) and then (-) to (-). __________________ "High Voltage"

07-01-2009, 10:15 PM	#19 (permalink)
lcurle TSF Gearhead (Audio) Join Date: Oct 2008 Location: Newton, Kansas Posts: 587 OS: Xp Pro SP3	Re: Legacy LA 430 Series 4 This is how you need to connect your subwoofer and make sure the amp is the proper stable ohm or it will not work correctly. Connecting the two voice coils of the driver in series (+ to -) will result in the following impedances: Dual-6 Ohm Subwoofer: 12 Ohms Dual-4 Ohm Subwoofer: 8 Ohms Dual-2 Ohm Subwoofer: 4 Ohms Dual-1.5 Ohm Subwoofer: 3 Ohms __________________ Lee - MECP Certified "Any advice given on this forum is intended for helping and assisting the end user with their issue at hand. Personal saftey is important when working on any vehicle."

07-02-2009, 01:11 AM	#20 (permalink)
namyenruoj Registered User Join Date: May 2009 Location: B.C. Canada Posts: 64 OS: xp	Re: Legacy LA 430 Series 4 what will happen if i do this. i can be able to crank up my amp and my amp will not quit to go to protection mode __________________ "High Voltage"