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Hands on experience with DSPs/LOCs
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<blockquote data-quote="Jcsaudio" data-source="post: 8597934" data-attributes="member: 673752"><p>Ok, I own a 14 Mazda CX-5 with the Audio Control DQ61, factory radio, 75wx4 amp on passive components up front and coax in the rear consisting of Polk woofers and Morel tweeters. Also have a 500w mono amp and a 12" sealed sub. Let me tell you the DQ61, although old school, is super simple to set up and makes a huge difference in the sound quality, mostly due to the time aligned fronts and sub. You just turn a knob to get the time alignment just where you want it. I used REW RTA with a mini DSP microphone to do some minor tuning and compared that to the Audio Control app, which is pretty accurate and free from Audio Control.</p><p></p><p>Ok, I also own a 14 Ford XL regular cab pickup that is my daily work truck with Sync. Hated the factory sound so I replaced the door speakers with Dayton Audio neo woofers and Tang Bang tweeters running active from a JL Audio Twk 88 DSP and a 40w per channel older Alpine amp. The lows are handled by a JL Audio 8" W3V3-4 sealed sub and a 200 watt mono amp. Also used REW to tune this and the sound quality is very good considering the factory radio EQ was difficult to deal with in the bass region. Very nice DSP with a software interface that is easy to use after a few weeks learning curve.</p><p></p><p>Lastly, I have a 14 Sienna with a Pioneer HU connected to an old school Audio Control EQX to split the signal at 2400 hz, 24 db per octave LR, for the front Focal woofers and SB Acoustics Tweeters. It has a 75wx4 amplifier just for the front stage and a 400 watt mono amp feeding a 10" ported sub tuned to 35 hz. Again sound quality for this setup is just superb and I give much credit to the Audio Control EQX and tuning with REW. Between the HU graphic 13 band EQ and the Audio Control EQ I was able to make minor adjustments to get the sound just right.</p><p></p><p>So there you have it, someone with experience with old school Audio Control stuff and fully modern DSP too. Audio Control is good stuff if you like it simple and analog. The DQ61 is about the simplist easiest factory integration device you can use with very effective TA and basic EQ that takes no time to get set up right. As long as your factory radio doesn't have some screwy EQ like my Ford Sync does than it is a great device.</p><p></p><p>Running a Full DSP active is advanced stuff and will require hours of tuning with a Real Time Analyzer, microphone, and more amplifiers than passive setups require. If you are willing to master this than you will have almost unlimited tuning abilities.</p><p></p><p>There are other things too to consider like proper door prep, wiring, amplifier, and speaker choice. Passive component setups can sound great. One to consider is the NVX X series components for a budget minded choice. Those are made by the SB Acoustics, a very good raw driver manufacturer.</p></blockquote><p></p>
[QUOTE="Jcsaudio, post: 8597934, member: 673752"] Ok, I own a 14 Mazda CX-5 with the Audio Control DQ61, factory radio, 75wx4 amp on passive components up front and coax in the rear consisting of Polk woofers and Morel tweeters. Also have a 500w mono amp and a 12" sealed sub. Let me tell you the DQ61, although old school, is super simple to set up and makes a huge difference in the sound quality, mostly due to the time aligned fronts and sub. You just turn a knob to get the time alignment just where you want it. I used REW RTA with a mini DSP microphone to do some minor tuning and compared that to the Audio Control app, which is pretty accurate and free from Audio Control. Ok, I also own a 14 Ford XL regular cab pickup that is my daily work truck with Sync. Hated the factory sound so I replaced the door speakers with Dayton Audio neo woofers and Tang Bang tweeters running active from a JL Audio Twk 88 DSP and a 40w per channel older Alpine amp. The lows are handled by a JL Audio 8" W3V3-4 sealed sub and a 200 watt mono amp. Also used REW to tune this and the sound quality is very good considering the factory radio EQ was difficult to deal with in the bass region. Very nice DSP with a software interface that is easy to use after a few weeks learning curve. Lastly, I have a 14 Sienna with a Pioneer HU connected to an old school Audio Control EQX to split the signal at 2400 hz, 24 db per octave LR, for the front Focal woofers and SB Acoustics Tweeters. It has a 75wx4 amplifier just for the front stage and a 400 watt mono amp feeding a 10" ported sub tuned to 35 hz. Again sound quality for this setup is just superb and I give much credit to the Audio Control EQX and tuning with REW. Between the HU graphic 13 band EQ and the Audio Control EQ I was able to make minor adjustments to get the sound just right. So there you have it, someone with experience with old school Audio Control stuff and fully modern DSP too. Audio Control is good stuff if you like it simple and analog. The DQ61 is about the simplist easiest factory integration device you can use with very effective TA and basic EQ that takes no time to get set up right. As long as your factory radio doesn't have some screwy EQ like my Ford Sync does than it is a great device. Running a Full DSP active is advanced stuff and will require hours of tuning with a Real Time Analyzer, microphone, and more amplifiers than passive setups require. If you are willing to master this than you will have almost unlimited tuning abilities. There are other things too to consider like proper door prep, wiring, amplifier, and speaker choice. Passive component setups can sound great. One to consider is the NVX X series components for a budget minded choice. Those are made by the SB Acoustics, a very good raw driver manufacturer. [/QUOTE]
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