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By Chad L
Question about the use of amps crossovers and sound processors. Is it best to go all active not at all or combine?? Are amp filters as good as sound processors?
When you buy a component speaker system you are paying for a crossover too. More expensive units have better crossovers. It’s been suggested that these crossovers use up power so not using them and using HPF and LPF on your amps is the better way to go. An alternative method is using a digital active crossover that can be programmed.
Different methods are also to influence phase shifts that can create cancellation or have better frequency curves.
The cons would be a dedicated amp just for tweeters and one for mids and one for subs so instead of a 4 channel amp driving 4 pairs it would drive the mids on two channels and two channels for the tweeters then not using the expensive crossover that came with the speakers.
I’m running everything thru an Audio Control DQX with sub filter crossover point and EQ that is separating the signal at 90hz which I can adjust. Then thru a programmable crossovers The component and coax speakers are all actively crossed between subs and mids but I am using factory crossovers still. I’m assuming they are only helping tweeters but guessing they may have a filter for the mid too?
Do you think I am negating phase advantage by leaving factory filters in? Is the phase pollution not disruptive in high frequency so phasing mids and Subs is sufficient?
I’m bi amping a pair of JBL competition speakers that has a jumper to remove in the crossover when doing this I am also using amp HPF and running other tweeters off all 4 channels. The JBL owner manual goes into great details about phase shifts and axis to explain what this crossover is doing to help
is there a better way to measure it sounds going to me but who knows?
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By DeMan2319
Good evening everybody. I have a few items to install for an Audio System upgrade; but don't know how to go about it. The Items that will be involved are -1 Distribution Block -2 Amps. -1 Capacitor. -1 Equalizer/Crossover -6 Speakers in Total (2 tweeters, 2 Front Door 6.5's, and 2 6x9's) -1 Subwoofer
I'm trying to connect 2 amps; 1 for the Subwoofer and the Second for Speakers. My Aftermarket Head Unit has 3 pairs of RCA plug-ins.
1) Subwoofer 2) Front 3) Rear.
How Would I connect the 6 speakers (which I'm going to rewire) to the 1st amp? Do I wire the Speakers to the Amp or Straight to the Head unit itself? Also, how would I connect the amp to the Head unit if it only has the 3 RCA plug-ins as stated above?
Any advice or suggestions are Welcomed. Thanks in advance.
URL: https://able2know.org/topic/434961-1 -
By Wolfram Audio
Now available on the SSA store!
I do NOT check PMs on here. For any questions, email colin@wolframaudio.com
Wolfram Audio W-3000.1:
Specifications:
RMS Power @ 1 Ohm : 3,000 Watts x 1 Channels (14.4v) RMS Power @ 2 Ohms : 2,000 Watts x 1 Channels (14.4v) RMS Power @ 4 Ohms : 1,150 Watts x 1 Channels (14.4v) RMS Power @ 2 Ohms (Linked) : 6,500 Watts x 1 Channel (14.4v) Frequency Response : 10hz~350hz (+/-1db) Working Voltage : 10V-16V Signal-to-Noise Ratio (Sensitivity) : >90dB Efficiency @ 4 Ohms : 86% Low Level Input (Gain) : 8V - 200mV Low Pass Filter : 30Hz - 250Hz Bass Boost : 0 ~ 12 dB Subsonic Filter : 10Hz - 60Hz Phase Shift : 0-180 Degrees 4-Way Protection Circuitry Built-in (Thermal, Voltage, Speaker, DC) LED Power & Protection Indicators Master / Slave (Linkable) : Yes Recommended Fuse Rating : 300 Amps 1/0 Gauge Power and Ground Terminal Inputs Remote Level Control Knob Included
Wolfram Audio W-1500.1:
Specifications:
RMS Power @ 1 Ohm : 1,600 Watts x 1 Channels (14.4v) RMS Power @ 2 Ohms : 900 Watts x 1 Channels (14.4v) RMS Power @ 4 Ohms : 530 Watts x 1 Channels (14.4v) RMS Power @ 2 Ohms (Strapped) : 3,200 Watts x 1 Channel (14.4v) Frequency Response : 10Hz - 350Hz (+/- 1db) Working Voltage : 10V-16V Signal-to-Noise Ratio (Sensitivity) : >90dB Efficiency @ 4 Ohms : 86% RCA Line Output : Yes Low Pass Filter : 30Hz - 250Hz Bass Boost @ 45 Hz : 0 ~ 12 dB Subsonic Filter : 10Hz - 60Hz Phase Shift : 0-180 Degrees 4-Way Protection Circuitry Built-in (Thermal, Voltage, Speaker, DC) LED Power & Protection Indicators Master / Slave (Linkable) : Yes Fuse Rating : 150 Amps (Linked: 300A) 1/0 Gauge Power and Ground Terminal Inputs Remote Level Control Knob Included
Wolfram Audio W-600.1:
Specifications:
RMS Power @ 1 Ohm : 700 Watts x 1 Channels (14.4v) RMS Power @ 2 Ohms : 380 Watts x 1 Channels (14.4v) RMS Power @ 4 Ohms : 200 Watts x 1 Channels (14.4v) RMS Power @ 2 Ohms (Strapped) : 1,400 Watts x 1 Channel (14.4v) Frequency Response : 10Hz - 350Hz (+/- 1db) Working Voltage : 10V-16V Signal-to-Noise Ratio (Sensitivity) : >90dB Efficiency @ 4 Ohms : 86% RCA Line Output : Yes Low Pass Filter : 30Hz - 250Hz Bass Boost : 0 ~ 12 dB Subsonic Filter @ 24 dB Slope : 10Hz - 60Hz Phase Shift : 0-180 Degrees 4-Way Protection Circuitry Built-in (Thermal, Voltage, Speaker, DC) LED Power & Protection Indicators Master / Slave (Strappable) : Yes Fuse Rating : 30A x2 4 Gauge Power and Ground Terminal Inputs Remote Level Control Knob Included
Wolfram Audio W-125.4:
Specifications:
RMS Power @ 2 Ohms : 175 Watts x 4 Channels (14.4v) RMS Power @ 4 Ohms : 125 Watts x 4 Channels (14.4v) RMS Power @ 4 Ohms (Bridged) : 330 Watts x 2 (14.4v) Frequency Response: 15hz to 35khz Low Level Input Adjustment: 0.2v to 8v Signal to noise Ratio: >90 dB Minimum Impedance: 2 Ohm Low Pass Filter: 50hz to 500hz (500hz to 5khz [x10]) High Pass Filter: 50hz to 500hz (500hz to 5khz [x10]) T.H.D. Continuous @ 4ohm : 0.05% Operating Voltage : 10v ~ 16V Fuse Rating : 40A x2
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