Sundown Full Bridge Stuck in Protect Mode

[Clifff150 10+ year member]

Just send it in and get a new one?

 

[Bobbytwonames 5,000+ posts]

From what I've read its rated at 1 ohm but not recommended
I'm not sure what subs your running but can you change it to 2 or 4 ohms and see if it still happens?
Just so you know I'm not just pulling this out the air here is a quote from an advertisement for the amp

"The new SFB series is being kicked off with a 3000-watt mono. This is a "full range" mono ideal for "PA" type speakers as well as standard bass applications. It is very compact at ~8 7/8" x ~7 5/8" so also great for tight spaces. It is not suggested for operation under the rated 1-ohm load. This unit features full sized 1/0 power inputs and high-quality metal control knobs to set it apart from other models in it's class. This is a budget line and We are working on other, larger, models for this line as well -- stay tuned for those details."

The ad says, "under the rated one ohm load." So, .67 or ½ ohm load is not recommended.

 

[Bobbytwonames 5,000+ posts]

For the record I have a SAZ 3000D that I tried to run at 0.5ohm and it did the same thing.
It played for about a month and then stopped
When I switched the subs out and ran it at 1 ohm it was fine.

I'm at the rated one ohm load.

 

[Bobbytwonames 5,000+ posts]

If the lights are anything like Taramps they should tell you in the owners manual what's wrong based on what the lights are doing. If you are over 15.5 volts it's voltage protected.

We figured it out with the multimeter. It was a loose wire at the fuse holder by the battery. It's fixed.

 

[Bobbytwonames 5,000+ posts]

From all I've read and heard is that you shouldn't run them at 1 ohm.i have the same amp, the sfb 3000 an a 500.4. I got the same result as you do. Changed to 2 ohms an all is well.

It's rated and recommended to run at one ohm.

 

[Bobbytwonames 5,000+ posts]

Just send it in and get a new one?

It was just a loose wire at the fuse holder by the battery.

 

[Bobbytwonames 5,000+ posts]

Next time; avoid playing anything past ...And Justice for All.

Play this song and tell what you think.

 

[Bobbytwonames 5,000+ posts]

Have you checked the subs yet? What they're reading?

It ended up just being a loose wire at the fuse holder by the battery.

 

[Clifff150 10+ year member]

Hey, you may want to check for any loose wiring, especially around the fuse holder

 

[Bobbytwonames 5,000+ posts]

Hey, you may want to check for any loose wiring, especially around the fuse holder

O.k., wise guy. Both fuse holders were totally enclosed. I hope that you are being fecioucious.

 

[marc2112 10+ year member]

Play this song and tell what you think.

Sounds like 100% not my cup of tea.

 

[MattinMO]

All the people saying you shouldn't run sfb series at 1ohm
Sundown wouldn't be selling any of them if that was the case

 

[Popwarhomie 5,000+ posts]

All the people saying you shouldn't run sfb series at 1ohm
Sundown wouldn't be selling any of them if that was the case

Bunch of detarded people on here....

 

[Bobbytwonames 5,000+ posts]

Hey, you may want to check for any loose wiring, especially around the fuse holder

It played great for two weeks. I'm not sure how the wire loosened itself up.

 

[Clifff150 10+ year member]

**** happens. Vibration, heat/cold, etc