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WHAT SIZE alternator do i need for 5000 watt rms


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id be laughing when the OP comes in and says he will be using a boss 5k amp.. everyone suggesting alternators and dont even know the amp that will be used or the load it will be wired to... even a quality 5k amp can be ran on a 140a alternator if wired at 4ohms

2x helix 1600wrms amps strapped for (3200wrms @2ohm)

2x hertz hdp 4 1000 watt rms for (2000 watts total at 4 ohm)

What helix amp?

That being said a lot of people's definition of "music" is a clipped 30 hz sine wave with some 80 IQ knuckle head grunting about committing crimes and his genitals.

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If you're going to replace the stock alt with the 270 you might as well just leave the stock one in there and keep the money because you aren't going to have good results.

I'm listening to you broke. You helped me when I first started building my system. What kind of separate charging system do you suggest. Hooking up new alt to one batty and old alt to other? Or should I run my system of one batt. With new alt on that batt.

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  • Crescendo Audio Encore 4.5k
  • Fi SP4v2 18" ( 5.5 cube vented tuned 27hz)
  • Hertz Millie mid-range, tweets, xovers
  • Hertz SPL Show 10" mid-bass ( 1 cube sealed box)
  • Hertz hdcp 4 channel amp
  • 370 amp mechman hairpin
  • 2x d3400 XS Power batteries
  • 2/0 gauge 100% ofc welding/ground cable (big 3 done)
  • 40 ft.2 second skin pro/ 40 ft.2 dynamat extreme ( doors sealed)

 

 

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And for the record I'm not trying to argue. I have 5k coming in my future and I'm also trying to learn. I was planning on the added alt and more batteries than that so I may be overdoing it myself.

Still learning but have started gathering.

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Helix splx100 I think

id be laughing when the OP comes in and says he will be using a boss 5k amp.. everyone suggesting alternators and dont even know the amp that will be used or the load it will be wired to... even a quality 5k amp can be ran on a 140a alternator if wired at 4ohms

2x helix 1600wrms amps strapped for (3200wrms @2ohm)

2x hertz hdp 4 1000 watt rms for (2000 watts total at 4 ohm)

What helix amp?

Spxl1000b

Daily driver

  • Crescendo Audio Encore 4.5k
  • Fi SP4v2 18" ( 5.5 cube vented tuned 27hz)
  • Hertz Millie mid-range, tweets, xovers
  • Hertz SPL Show 10" mid-bass ( 1 cube sealed box)
  • Hertz hdcp 4 channel amp
  • 370 amp mechman hairpin
  • 2x d3400 XS Power batteries
  • 2/0 gauge 100% ofc welding/ground cable (big 3 done)
  • 40 ft.2 second skin pro/ 40 ft.2 dynamat extreme ( doors sealed)

 

 

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id be laughing when the OP comes in and says he will be using a boss 5k amp.. everyone suggesting alternators and dont even know the amp that will be used or the load it will be wired to... even a quality 5k amp can be ran on a 140a alternator if wired at 4ohms

2x helix 1600wrms amps strapped for (3200wrms @2ohm)

2x hertz hdp 4 1000 watt rms for (2000 watts total at 4 ohm)

No where near 5k average.

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id be laughing when the OP comes in and says he will be using a boss 5k amp.. everyone suggesting alternators and dont even know the amp that will be used or the load it will be wired to... even a quality 5k amp can be ran on a 140a alternator if wired at 4ohms

2x helix 1600wrms amps strapped for (3200wrms @2ohm)

2x hertz hdp 4 1000 watt rms for (2000 watts total at 4 ohm)

No where near 5k average.

How do u mean?

Daily driver

  • Crescendo Audio Encore 4.5k
  • Fi SP4v2 18" ( 5.5 cube vented tuned 27hz)
  • Hertz Millie mid-range, tweets, xovers
  • Hertz SPL Show 10" mid-bass ( 1 cube sealed box)
  • Hertz hdcp 4 channel amp
  • 370 amp mechman hairpin
  • 2x d3400 XS Power batteries
  • 2/0 gauge 100% ofc welding/ground cable (big 3 done)
  • 40 ft.2 second skin pro/ 40 ft.2 dynamat extreme ( doors sealed)

 

 

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when i had 5k, i held low 12s with my 230A conventional. A 270 HP would be perfect, imo.

On 5/8/2011 at 7:38 PM, Kranny said:
On 5/8/2011 at 7:35 PM, 'Maxim' said:

It hurts me inside when I read stuff like this and remember you're 15

LMFAO so true

:blush:

Mitsubishi 3000GT (Old Build)

Headunit: Pioneer 80PRS

Frontstage: (2) McLaren Audio MLT-2 Tweeters & (4) PRV Audio MR Series Neo 6.5" Mids

Substage: 4 15" Hybrid Subs - Tantric Motors & Sundown Softies

Amps: Banda 2.4D Amp (Tweets), American Bass VFL 350.4 (Mids), and (2) Ampere 3800s

Electrical :Singer 260A Alt & JY Power Lithium

 

2005 Chevy Colorado Ext Cab

Headunit: Pioneer 80PRS

Frontstage: 4 PRV 700Ti Tweets & 6 10" Delta Mids on 3000wrms

Substage: 6 Fi BTL 18s in a 4th Order Walkthrough on 3 Wolfram 4500s

Electrical: Singer "390" and JY Power

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Allright so my car audio place only carry some mechman. So there's the 270 amp conventional or 240 amp bullet hairpin your talking about available for my truck.

S Series 240 amp Billet racing unit - PCM GM truck - Machined

$549.00

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PRODUCT DESCRIPTION

S SERIES

The S series of 6 phase alternators offers incredible output in a compact and durable package. Highly efficient, these units use less horsepower than conventional 3 phase alternators. 12 diodes, twin rectifier plates and outstanding airflow ensure long service life, even in severe conditions. These units are available for a broad range of domestic and import applications in 170, 240, or 320 amp configurations. The 240 amp model offers the best balance between peak output, and output at engine idle RPM.

Installation Notes:

This unit comes equipped with a smaller 1.75 inch diamter alternator pulley, and will require a slightly shorter drive belt for proper belt tension.

Daily driver

  • Crescendo Audio Encore 4.5k
  • Fi SP4v2 18" ( 5.5 cube vented tuned 27hz)
  • Hertz Millie mid-range, tweets, xovers
  • Hertz SPL Show 10" mid-bass ( 1 cube sealed box)
  • Hertz hdcp 4 channel amp
  • 370 amp mechman hairpin
  • 2x d3400 XS Power batteries
  • 2/0 gauge 100% ofc welding/ground cable (big 3 done)
  • 40 ft.2 second skin pro/ 40 ft.2 dynamat extreme ( doors sealed)

 

 

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"When you upgrade your existing alternator you shouldn't need to upgrade your voltage regulator.When upgrading to a high output alternator you rarely need to change your voltage regulator. The voltage regulator controls the alternator output by sending power to the rotor (field). The rotor spins inside of the stator, the reaction between the rotor and stator is how power is induced within the stator. The voltage regulator senses the battery voltage, if the battery needs more power the voltage regulator sends power to the rotor coil turning the alternator on. If the regulator senses that the battery or system needs a lot of power it sends maximum voltage to the rotor making it a big electro magnet thus causing the alternator to produce maximum power. If the regulator senses a small need at the battery it will send minimal power to the rotor causing the alternator to produce little power.

Never does the alternators amperage go through the voltage regulator. The area of concern when changing to a high output alternator is the amperage draw of the rotor. The voltage regulator does have a field amperage rating and because it has direct contact with the rotor you must be concerned with the amperage draw of the rotor. If the amperage draw of the rotor is greater than the rating for the voltage regulator the regulator will fail."

I think this what broke talking about

Daily driver

  • Crescendo Audio Encore 4.5k
  • Fi SP4v2 18" ( 5.5 cube vented tuned 27hz)
  • Hertz Millie mid-range, tweets, xovers
  • Hertz SPL Show 10" mid-bass ( 1 cube sealed box)
  • Hertz hdcp 4 channel amp
  • 370 amp mechman hairpin
  • 2x d3400 XS Power batteries
  • 2/0 gauge 100% ofc welding/ground cable (big 3 done)
  • 40 ft.2 second skin pro/ 40 ft.2 dynamat extreme ( doors sealed)

 

 

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