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but my birth sheet for my sub amp shows lots of watts at 200 hertz......

2007 Chevy Tahoe (SOLD)

12 ~ FI Audio X series 10" w/BP option

2 ~ DC Audio 5.0K @0.67

3 ~ DC Audio 5.0K @1.0 

2 ~ PPI 3 way sets (not installed yet)

1 ~ RF T400-4, 1 ~ RF T600-2, 1 ~ RF T600-4

4 ~ CT Sounds 5.25" Strato comps  (rear fill only)

1 ~ XS Power D4800

1 ~ XS Power D3400

8 ~ XS Power XP3000

160 stock alt, Mechman 370 Elite, 185 DC Power

320+ Sq. Ft. Sound Deadener

Pioneer AVH-X5500BHS

Youtube: https://www.youtube.com/user/knfjdkghjudfhsgkjdhf/videos?sort=dd&view=0&shelf_id=0

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I wouldn't worry about a birthsheet for a while all the ones for the rockford bdcp line of amps were all wrong supposedly execpt for the 1 ohm rating?

For a while?

Don't worry about them at all.

It's a resistive load that gets you your birth sheet. Soon as a sub or speaker is connected to the amplifier that birth sheet doesn't really mean shit.

i shook this one kids hand and it just folded in mine. long story short i fucked his girlfriendso.. yeah..

You want this to happen to you? Give decent handshakes people.

I was gifted with an innate ability to distribute wholesale ass beatings in a timely and orderly fashion.
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I wouldn't say they are all bull shit. The RF ones are a legit number, it's just you can't really compare that number to how the amp acts when driving a reactive load.

 

F150:

Stock :(

 

2019 Harley Road Glide:

Amp: TM400Xad - 4 channel 400 watt

Processor: DSR1

Fairing (Front) 6.5s -MMats PA601cx

Lid (Rear) 6x9s -  TMS69

 

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Both sheets aren't necessarily bs.

A reputable company that does them is trust worthy. However like said once on music your not going to see that power.

As karkov said as well most make that power in the 200hz + area.

At the same time though if say you buy 2 1k rms amps and the birthsheets have different results.

1. Makes 1348 at 230hz

2. Makes 1503 at 180hz

Which would you rather have?

Sure they're both rated for 1k rms but look at this way.

Amp 1 makes less power and at a higher freq.

Amp 2 makes more power at a lower freq.

So we could make the assumption that there is a chance amp 2 could produce more power on music then amp 1.

Would it though? I don't know, it would take further testing to say if it does or not.

t1500bdcp

2 t2d4 15"

1 t600.4

1 t400.2

1 set p1 tweets

singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz.

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