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Amplifiers
sundown SAE 1200D
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<blockquote data-quote="sundownz" data-source="post: 6244182" data-attributes="member: 549523"><p>For the sake of this test I just turned everything wide open just to see when they quit making power. THD was not a factor at all, just wide open. Obviously this is not the ideal situation -- I may send them to Chris so he can use some of his equipment to do a test using a scope as well.</p><p></p><p>The amps are fed with a 4 awg and 8 awg wire in parallel reduced to 8 awg so it will fit both amps (the 1800 won't fit our 4 awg lead directly as it is tinned).</p><p></p><p>Test load consists of two Nightshade 12s wire to 1 ohm and the tone is 60 Hz.</p><p></p><p>-----</p><p></p><p><img src="http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2616.JPG" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>* SAE-1200D on the bench</p><p></p><p><a href="http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2617.MOV" target="_blank">http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2617.MOV</a></p><p></p><p>* Power Test</p><p></p><p><a href="http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2618.MOV" target="_blank">http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2618.MOV</a></p><p></p><p>* Output Voltage Test</p><p></p><p>1730 watts</p><p></p><p>59 V</p><p></p><p>29.3 A (calculated)</p><p></p><p>2.01 ohms (calculated)</p><p></p><p>12.68v power supply</p><p></p><p>-----</p><p></p><p><img src="http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2619.JPG" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>* 1800-watt on the bench</p><p></p><p><a href="http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2621.MOV" target="_blank">http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2621.MOV</a></p><p></p><p>* Power Test</p><p></p><p><a href="http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2622.MOV" target="_blank">http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2622.MOV</a></p><p></p><p>* Output Voltage Test</p><p></p><p>1440 watts</p><p></p><p>57.1 V</p><p></p><p>25.21 A (calculated)</p><p></p><p>2.2 ohms (calculated)</p><p></p><p>13.1v power supply</p><p></p><p>-----</p><p></p><p>SAE-1200D produced ~20% more power... and this 1800 has an extra 2 output FETs above the AP1500D.</p><p></p><p>An SPL test may be more revealing... I may see if the 1800 will stay on in the Jeep at 1/2 nominal -- my rise is to just above 1 ohm.</p></blockquote><p></p>
[QUOTE="sundownz, post: 6244182, member: 549523"] For the sake of this test I just turned everything wide open just to see when they quit making power. THD was not a factor at all, just wide open. Obviously this is not the ideal situation -- I may send them to Chris so he can use some of his equipment to do a test using a scope as well. The amps are fed with a 4 awg and 8 awg wire in parallel reduced to 8 awg so it will fit both amps (the 1800 won't fit our 4 awg lead directly as it is tinned). Test load consists of two Nightshade 12s wire to 1 ohm and the tone is 60 Hz. ----- [IMG]http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2616.JPG[/IMG] * SAE-1200D on the bench [URL="http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2617.MOV"]http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2617.MOV[/URL] * Power Test [URL="http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2618.MOV"]http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2618.MOV[/URL] * Output Voltage Test 1730 watts 59 V 29.3 A (calculated) 2.01 ohms (calculated) 12.68v power supply ----- [IMG]http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2619.JPG[/IMG] * 1800-watt on the bench [URL="http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2621.MOV"]http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2621.MOV[/URL] * Power Test [URL="http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2622.MOV"]http://www.sundownaudio.com/misc/1800-watt_China/vs1200D/CIMG2622.MOV[/URL] * Output Voltage Test 1440 watts 57.1 V 25.21 A (calculated) 2.2 ohms (calculated) 13.1v power supply ----- SAE-1200D produced ~20% more power... and this 1800 has an extra 2 output FETs above the AP1500D. An SPL test may be more revealing... I may see if the 1800 will stay on in the Jeep at 1/2 nominal -- my rise is to just above 1 ohm. [/QUOTE]
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