Strapping Amps - Realm of Excursion



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Old 08-23-2006   #1 (permalink)
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Default Strapping Amps

Ok, I am a little unsure on what happens when you strap the amps together. I have a Hifonics Brutus BXi 1206D, and I am looking at getting another one, they are 1ohm stable. If I strap another one on, does the impedance go down? Is there any drawbacks to strapping amps?
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Old 08-23-2006   #2 (permalink)
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do you know what strapping means? Those amps are not strappable!
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Old 08-23-2006   #3 (permalink)
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Default They are

They can be strapped, they have RCA Out plugs, and in the Hifonics Manuel they call it daisy chaining. Unless daisy chaining isnt strapping?
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Old 08-23-2006   #4 (permalink)
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DasiyChaining is not the same thing as Strapping
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Old 08-23-2006   #5 (permalink)
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What is the difference? If I were to upgrade from the Brutus (Hercs) line how would I strap the amps? And what exactly is daisy chaining? I am very unclear about all of this, because I have always used just one amp, and I am beginning to explore using 2 amps.
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Old 08-23-2006   #6 (permalink)
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Yeah, strapping isn't the same as daisy-chaining.

When you strap two amps you are essentially making it act like one big amp, which can be used to Power a single voicecoil.
For strapping my VFL150.1, I set one amp to master, the other to slave, and run RCAs from the master to the slave. To strap them, I have to run Speaker Wire from the -'ve outputs on one amp to the -'ve outputs on the other, and use one +'ve output on each amp as speaker outputs.
By using the master-slave setup (at least on my amps), I only have to set the gains on my master amp, as it controls and matches the gains on the other amp automatically. Each amp is probably different, but that's how it works on my amps.

When you strap your amps, the impedance each amp sees is 1/2 the impedance that is hooked to them. IE: if you wire your subs to a 1 ohm load, each amp will see 0.5 ohms.

From what I've gathered, daisy-chaining is when you run RCAs from the outputs of one amp to the inputs on another. The amp gains are not matched, and you can't use two amps to power a single voicecoil. It's basically done to avoid using "Y" adapters on your RCAs to send a signal to multiple amps. Each amp operates independently of one another.
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Old 08-23-2006   #7 (permalink)
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strapped amps work together as one. daisy chained amps share the same signal but still operate independantly.

the bxi1206d can not be strapped.
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Old 08-23-2006   #8 (permalink)
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can u strap on any of the berutu series amps
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berutu? Did you mean brutus? They are not strappable............
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Old 08-23-2006   #10 (permalink)
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Thanks for the answers and clearing that up for me, looks like I will be saving for some Hercs.
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Yayy!!!!!!!!!!!!!!!
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Old 08-24-2006   #12 (permalink)
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Default Re: Strapping Amps

to strap the hercs you set one amp to master and one to slave...then jump the master to slave using a SINGLE RCA from master out to slave in...then run a speaker wire from - of master to - of slave...then run you positive from speaker to positive on master and negative from speaker to positive on slave...the master settings control both amps...if you strap them at 1 ohm then each amp will see .5 same goes for any other configure...and the hercules perform awesome when strapped....but it this way I strap mine at .33 lol ( not recommended though) but its for burps only
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Old 08-24-2006   #13 (permalink)
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Default Re: Strapping Amps

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Originally Posted by gotslap?
to strap the hercs you set one amp to master and one to slave...then jump the master to slave using a SINGLE RCA from master out to slave in...then run a speaker wire from - of master to - of slave...then run you positive from speaker to positive on master and negative from speaker to positive on slave...the master settings control both amps...if you strap them at 1 ohm then each amp will see .5 same goes for any other configure...and the hercules perform awesome when strapped....but it this way I strap mine at .33 lol ( not recommended though) but its for burps only
i had my IA's @ .25 strapped (aka .12 per amp) they took it.
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Old 08-24-2006   #14 (permalink)
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Default Re: Strapping Amps

nice lol those IA's are beast....i plan on running 4 of them on 2 MT's or 2 DD's

o yea and you=p.m.

o yea and you=p.m.
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