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4 channel amp tuning

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=100733
Printed Date: May 15, 2024 at 4:12 AM


Topic: 4 channel amp tuning

Posted By: rival904
Subject: 4 channel amp tuning
Date Posted: January 03, 2008 at 11:01 PM

I cant seem to find a good starting point while tuning my new 4 channel amp, any suggestions?

Heres the amp:

    * 1600 watts Max, Class A/B 4-Channel Amplifier
    * RMS Power Ratings:
          o 4 ohms: 100 watts x 4 chan.
          o 2 ohms: 200 watts x 4 chan.
          o 4 ohms Bridged: 400 watts x 2 chan.
    * MOSFET Power Supply
    * Low Profile Aluminum Finned Heatsink
    * Variable High Pass and Low Pass Crossover
    * 12 dB per Octave Crossover Slope
    * Frequency Response: 20 - 22,000 Hz
    * Soft Delay Remote Turn On/Off Circuit
    * 0 - 18 dB Bass Boost
    * Self Diagnostic Protection Circuit, LED indicates Impedance Overload, Speaker Short Circuit, Thermal Overheating, and DC Output
    * Variable Gain Control
    * Optional Remote Gain Control
    * Low Level Line Inputs and Outputs
    * Dimensions: 14.9"L x 9.3"W x 1.9"H
    * 1-year Sonic electronx warranty

Amplifier Specifications:

    * Amplifier Class N/A
    * Number of Channels 4
    * RMS Power (4 ohms) 100 watts x 4 channels
    * RMS Power (2 ohms) 200 watts x 4 channels
    * RMS Power (1 ohm) Not Stable
    * Bridged RMS Power 400 watts x 2 channels
    * Peak Power Output 1600 watts
    * Minimum Impedance Unbridged 2 ohms
    * Minimum Impedance Bridged 4 ohms
    * THD at Rated RMS Power .05%
    * Speaker Level Inputs No
    * Preamp Outputs Yes
    * Built-in Crossover Yes - HP/LP
    * High-Pass Crossover Frequency 40 - 250 Hz
    * Low-Pass Crossover Frequency 40 - 250 Hz
    * Subsonic Filter N/A
    * Signal-to-Noise Ratio 94 dB
    * Channel Separation N/A
    * Bass Boost 0 - 18 dB
    * Bass/Gain Remote Optional
    * Fan Cooled No
    * Fuse Rating 25 A x 2


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2004 F150 STX 4x4
Eclipse CD3100
(4) Pioneer TS-W3001D4
Powerbass 3XL 6x8
Powerbass 600.4




Replies:

Posted By: DYohn
Date Posted: January 03, 2008 at 11:31 PM
What are you using it for?

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Posted By: rival904
Date Posted: January 04, 2008 at 2:00 PM
To run my compents in the doors.

-------------
2004 F150 STX 4x4
Eclipse CD3100
(4) Pioneer TS-W3001D4
Powerbass 3XL 6x8
Powerbass 600.4





Posted By: haemphyst
Date Posted: January 04, 2008 at 2:17 PM
Bridged to two channels, or bi-amped/bi wired?

Otherwise just run one set of components to one channel, and the other set to another channel. The speakers will have their own passive crossovers, which you SHOULD NOT try to run without.

Set the high-pass to aound 80 to 100Hz (depending on your components), and you'll have two channels still available to bridge to a sub!

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It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."




Posted By: rival904
Date Posted: January 04, 2008 at 2:19 PM
Each speaker has its own channel. My speakers 60w rms, 180 peak, @4ohms. So im already pushing it as it is.

-------------
2004 F150 STX 4x4
Eclipse CD3100
(4) Pioneer TS-W3001D4
Powerbass 3XL 6x8
Powerbass 600.4





Posted By: haemphyst
Date Posted: January 04, 2008 at 3:01 PM
rival904 wrote:

Each speaker has its own channel.

So are you bi-wiring? Using all four channels of the amplifier to run the four drivers in the component sets?

If that's the case, bypass the crossover on the low pass section, run those two channels to the tweeters through the crossovers, and put the woofers on the hi-pass (set at 80Hz) channels through the passive crossover. Then set the gains to how you like the sound.

If I am misunderstanding your posts, elaborate a bit on the COMPLETE system setup. Your posts really don't tell us a lot about what you have, or how it's installed.

-------------
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."





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