Amplifiers / Head Units / Processors / Electrical

Ok, so lets take for example the Sundown SAE-1200D. 1200W @ 1ohm and an input sensitivy ranging from .153V to 5.6V. For everything in this post lets assume no clipping of the audio signal from the source unit and say the source unit is putting out 3V from the pre-outs. What is going to happen if you turn the gain knob "up" (as in toward the .2V) after you have matched the gains of the amp to the sensitivity of your source? I assume it will not put out more power. Will it begin to send the amplifier into clipping?

Another great read that I felt was worth having here also: Anatomy of the Power Amplifier Dissecting the Modern Audio Power Amplifier and Power Supply By Robert Zeff With the Proliferation of Different Amp Types, Which is the One for You? In the past we had essentially two types of amplifiers to choose from: Class "AB" and class "A". Today we have AB, A, D, G, H, & T, in addition to some that do not have a class name. New technology brought down the size and price while improving performance and efficiency. We'll review the various topologies of the modern amplifier, spending extra time on the aspect of efficiency (as the quest for smaller, more efficient designs have…

Found this guide on another forum, and given the slew of recent threads on troubleshooting noise, thought I would post it here. One word of warning is that some HU's and/or processors nowadays have a zero bit mute, which essentially cuts off the output during low signal passages to reduce noise.....so be aware if this is a feature your unit has. Onward to the guide; How can you eliminate alternator whine in a car audio system? If you have alternator whine in a car audio system and want to get rid of it, there is only one sure-fire way to do it. David Navone and Richard Clark from Autosound 2000 in the USA developed the following step-by-step instructions. If you follow th…

What size are the screws that hold the mounting bracket on the amp?

What are the advantages or disadvantages of swapping air conditioiner for second alt ?

cant afford car audio batts till end of summer but have 4 batts with 1100 cranking amps and 5 with 800 cranking amps with 270a ho alt , are all these enough for 2 bc3500s strapped to 2 ohms. big 3 and 3 runs pos and 3 neg front to back all 0 gauge

I have always been told that a fairly good way of judging the output of an Amp just off 1st glance is to take the total amount of all the fuses & multiplying this by 10 will give you a rough estimate of the RMS output of said Amp? Is this a true statement by chance or have I been misled in some way? I ask because recently I had an Orion Cobalt CB2500.1D pushing my 1200RMS 15" Soundqubed sub but after roughly a yr it shot craps on me, stopped sounding good & after 10 or 15 minutes it would start kicking in & out of protection mode...I looked around for a new replacement but after seeing what the market had to offer me at my budget price I ended up getting anoth…

hey guys, im looking for the best headunit for the best price. im looking into either alpine or pioneer. i want gps navigation, touchscreen, dvd player,equalizer, and most importantly...SOUND QUALITY! money isnt the issue but can someone please list specific HU's that consist of these features at the lowest cost??? anything under $800 is fine

well i have all my measurements on my mdf and i have chualk glue screws and and the stuff i need.. but i have a skill saw or whatevers,is there anything that u prefer that i should use beside a skill saw cuz i dont know if theres certian saws that will make it look better or anything like that.. what do yall think?

Thanks any way please delete

So i already want more power. how well would a hifonics brutus bxi2008d on .5 ohms? ill be running two. alt will be a second 220 on top of my stock alt, plus one batt up front and another by the amps. maybe two by the amps. has anyone had experience with them? i cant even get mine warm at 1 ohm right now... just kicking around ideas, as this would be my cheapest way to get around 4-5k rms. otherwise i gotta buy a big amp and thats lots of money. i want s Sundown 4500 but im just dreaming there. i can afford what im proposing... thinking about sayin screw it an getting the amp this week and trying it... lol. although i really should get the batt/alt power first... anywa…

I have a RF Power T500-1BD. I was thinking about running it at .5 ohm to a DC Audio Level 3 15. Can the Power series handle that kind of load?

i have a nightshade v1 15 and a rd1750.1 amp right now i have my nightshade wired at two ohms but i got the rd because i was told it was .5 stable i have 0 guage throughout big three and 200 amp ho alt will that be good enough electric to safely run this amp at .5

Wow it looks like nothing came up... So, i'm wanting to get a Sundown SAE-1000D to power my Fi Q10. My sub has dual 1ohm coils. My question is, what will i have to do to keep my amp from burning up if i wire it to .5ohms? If planning big three and a bigger battery. Any ideas? Thanks, Michael

'06 Alpine HUs better than '05? Spec wise they look a lot worse.

Just thought I'd make a little thread for my new arrival! By the way, does anyone know when these guys were produced? There she is! Picked her up for around $57.00 including shipping off ebay. The seller claimed that it was in working shape and claimed that he/she had tested it before shipping out. After opening it up i'm a little skeptical, but then again I dont know a whole lot about boards. it just doesn't look as the brand new boards that im familiar with (go figure right?). Hopefully i can test it this weekend, but time is tight in my schedule. I plan on using it to power my alpine type r's i got from Swagger_Wagon! Time for more pics! Some are displaying some spots…

Edit: I am all over with this post so bear with me.. "That amp you have is junk. You need something better" So this is always the reply I seem to get when someone ask's what I have in the car. I'm 40 years old and have been out of the scene for a while. I put a simple setup on my 2014 Focus ST which consisted of stock headunit and Sony gs 6 1/2 components front and rear, Stock 160 amp alt and 0 ga welding wire to the back. Stock battery and no big 3. After that I used a well worn 12" kicker cvr d2 and a New Hifonics Brutus brx1200.1d I have ran that since Nov of last year and it's been great for my daily routine. I have decided to go to a 15" and ordered a …

I currently own a 2000 Chevrolet Cavalier that I am currently building a subwoofer install in. My complete and current installs: New Kenwood KDC-BT378U radio with built-in speaker amp, All new door and deck speakers. (COMPLETE) Big 3 Kit, Mechman 270 AMP Alternator, (1) Sundown ZV6 12" 2-OHM 2500W Subwoofer (wired to 1 OHM), One run of 1/0 gauge wire complete with fuse and capacitor), Fiberglass Subwoofer Box(Not sure what size yet, any help on this would be greatly appreciated) Just wondering if all the above installs with be able to comfortably power a 3000 watt amplifier to run the subwoofer properly? I know Sundown Subwoofers are underrated, just n…

Now, I definitely know the PowerMaster is a better battery, but the price of the Dekas are telling me to go w/ them. I could get two new Dekas for the cost of one new PowerMaster. Common sense is telling me to go w/ the Dekas but which do you guys suggest to do?

This is the inside of my JBL px300.4. I have narrowed down the noise in my system (HISS) to the amplifier itself by 1) Using muting plugs 2) Removeing the amp from the vehicle and using a "test bench" if you will and a test speaker to find the same noise. It's a low hiss with the vehicle OFF and ear right up close to speakers. By "test bench" I mean I connected the amp right by my battery with the ground going straight to the battery and used a test speaker and adjusted every setting on the amp with no change - gains at zero - no rca's connected. So I took off the cover not the entire sink case and looked around. Here are the two things odd I found. I'm no expert and if t…

I am looking for the wattage and THD and dampening factor etc. for this amp, basically the specs for it, -------------------------------------------------------------- all I know is that it has for channels 1 - 4 is 45 watts per @ 4 ohms, I dont know what channel 5 puts out (sub out) any help is greatly appricated, I checked earlier for a website but I was unable to find out any info

I'll be running a Fully Active front stage and am intrigued by what options Sony's 2011 headunits have to offer. Does anyone have any experience with it any of them that can comment on Sound Quality and Build Quality. The one i'm interested in is: DSX-S310BTX http://www.crutchfield.com/p_158DSX310B/Sony-DSX-S310BTX.html?tp=5684#details-tab http://store.sony.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10551&storeId=10151&langId=-1&productId=8198552921666372151#specifications 7 Band EQ Time alignment/LowPass/HighPass 4 Volt Preouts (front, rear, subwoofer) Bluetooth Pandora Radio Capabilities Front USB 17x4 rms (wish it was more but that's what i get …

Guys, I watched a video of ***** ***** talking about **** amps , and they look awesome . Also they boast some big numbers. 1000 watt amp that pushes out 1600 and 2500 that puts out well over 3000. Has anyone used them ,or can vouch for these numbers? Any info will be appreciated.

www.usamps.com for more info and dealer location Hey all, I got back from the USAMPS factory today and met the owner, Mr. Daniel Kim (my uncle), the Sales director, Mr. Jeff Coleman (some of you probably know of him), and the head engineer (CO-started USAMPS and designs all of the boards.) Mr. Dirk Ecker. But umm okay first off I wanted to say that these amps are AMAZING. I ain

Order or build time