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Car Audio Equipment
Amplifiers
Audiopipe 3000.1 vs sundown 1500.1
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<blockquote data-quote="pro-rabbit" data-source="post: 7399040" data-attributes="member: 551878"><p>If you look at his test requirements he says in rule number 5 this... " That all amplifiers with signal processors have those features turned off. This includes bass boost circuits, filters, etc. If frequency tailoring circuits cannot be completely bypassed an equalizer will be inserted in the signal path of one of the amps (only one and the listener can decide which) to compensate for the difference. Compensation will also be made for input and output loading that affects frequency response. Since we are only listening for differences in the sonic signature of circuit topology, the addition of an EQ in only one amps signal path should make the test even easier."</p><p></p><p>The reason for this is because each class D amp uses a different crossover/eq settings because that will alter the reproduced sound and that you can tell. He eliminates this by using rule number 5. However, in actual application and installation in a daily car those very settings will be used to get "the best sound" you can from the amp. However, those very settings even if set exactly the same on each amp will not sound the same.</p><p></p><p>I never said that cheap parts won't last longer, and I'm not sure why that was brought up. I heard some very very cheap produces a better quality result then higher priced amps. However, that is not what I'm say here.</p><p></p><p>I'm saying in actual application you can and will hear a difference. Richard's test is pointless and flawed.</p></blockquote><p></p>
[QUOTE="pro-rabbit, post: 7399040, member: 551878"] If you look at his test requirements he says in rule number 5 this... " That all amplifiers with signal processors have those features turned off. This includes bass boost circuits, filters, etc. If frequency tailoring circuits cannot be completely bypassed an equalizer will be inserted in the signal path of one of the amps (only one and the listener can decide which) to compensate for the difference. Compensation will also be made for input and output loading that affects frequency response. Since we are only listening for differences in the sonic signature of circuit topology, the addition of an EQ in only one amps signal path should make the test even easier." The reason for this is because each class D amp uses a different crossover/eq settings because that will alter the reproduced sound and that you can tell. He eliminates this by using rule number 5. However, in actual application and installation in a daily car those very settings will be used to get "the best sound" you can from the amp. However, those very settings even if set exactly the same on each amp will not sound the same. I never said that cheap parts won't last longer, and I'm not sure why that was brought up. I heard some very very cheap produces a better quality result then higher priced amps. However, that is not what I'm say here. I'm saying in actual application you can and will hear a difference. Richard's test is pointless and flawed. [/QUOTE]
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Audiopipe 3000.1 vs sundown 1500.1
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