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Junior Varsity
Compact Power Subs for Stick mains
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<blockquote data-quote="Art Welter" data-source="post: 121953" data-attributes="member: 52"><p>Re: Compact Power Subs for Stick mains</p><p></p><p></p><p>Dave,</p><p></p><p>Another topic, like what ever happened to the old Dave I knew who used to put realistic specifications on EV and EAW subs ;^)? </p><p>I understand the game of adding ridiculous peak SPL figures for non-powered cabinets, but I don't understand why you would put a peak SPL rating on your TS215 that would require almost 5 times the amplifier power you use in the sub. </p><p></p><p>Going with your nominal sensitivity of 102 dB (which appears only in the upper range of the TS215's pass band) and 3200 watts of power, we'll keep it simple:</p><p>1 watt = 102 dB </p><p>10 watts =112 dB</p><p>100 watts = 122 dB</p><p>1000 watts = 132 dB</p><p>2000 watts = 135 dB</p><p>4000 watts = 138 dB, oops, amp ran out of power 800 watts ago..</p><p>8000 watts = 141 dB</p><p>16,000 watts = 144 dB, one dB more than the claimed "143 dB peak" rating.</p><p></p><p>Same goes for the "Equalized Maximum Peak SPL", which also would require nearly 16,000 watts to achieve, even if we entirely ignore power compression and excursion issues.</p><p></p><p>OK, now on to the topic of your choice :^).</p><p></p><p>Art</p></blockquote><p></p>
[QUOTE="Art Welter, post: 121953, member: 52"] Re: Compact Power Subs for Stick mains Dave, Another topic, like what ever happened to the old Dave I knew who used to put realistic specifications on EV and EAW subs ;^)? I understand the game of adding ridiculous peak SPL figures for non-powered cabinets, but I don't understand why you would put a peak SPL rating on your TS215 that would require almost 5 times the amplifier power you use in the sub. Going with your nominal sensitivity of 102 dB (which appears only in the upper range of the TS215's pass band) and 3200 watts of power, we'll keep it simple: 1 watt = 102 dB 10 watts =112 dB 100 watts = 122 dB 1000 watts = 132 dB 2000 watts = 135 dB 4000 watts = 138 dB, oops, amp ran out of power 800 watts ago.. 8000 watts = 141 dB 16,000 watts = 144 dB, one dB more than the claimed "143 dB peak" rating. Same goes for the "Equalized Maximum Peak SPL", which also would require nearly 16,000 watts to achieve, even if we entirely ignore power compression and excursion issues. OK, now on to the topic of your choice :^). Art [/QUOTE]
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