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Junior Varsity
Should I modify my SR4732A'a or leave them stock?
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<blockquote data-quote="Silas Pradetto" data-source="post: 24697" data-attributes="member: 34"><p>Re: Should I modify my SR4732A'a or leave them stock?</p><p></p><p></p><p> </p><p>A 100 watt amp would <em>not </em>suffice if he wanted to get the most out of the drivers.</p><p></p><p>JBL recommends a 200 watt amp at 8 ohms. That's still not enough.</p><p></p><p>The driver, depending on the horn that loads it, has impedance peaks near 30 ohms within its operating range. To successfully meet the "150 watt continuous program" rating at 30 ohms, you would need 67. An amplifier capable of 67 volts at 8 ohms is equal to 562.5 watts. So, to even meet the basic 150 watt program rating, you'd want an amplifier of at least 562.5 watts at 8 ohms. Of course, this is ignoring the fact that the driver will handle peaks above 150 watts quite easily, meaning an even larger amplifier is probably safe, if properly limited.</p></blockquote><p></p>
[QUOTE="Silas Pradetto, post: 24697, member: 34"] Re: Should I modify my SR4732A'a or leave them stock? A 100 watt amp would [I]not [/I]suffice if he wanted to get the most out of the drivers. JBL recommends a 200 watt amp at 8 ohms. That's still not enough. The driver, depending on the horn that loads it, has impedance peaks near 30 ohms within its operating range. To successfully meet the "150 watt continuous program" rating at 30 ohms, you would need 67. An amplifier capable of 67 volts at 8 ohms is equal to 562.5 watts. So, to even meet the basic 150 watt program rating, you'd want an amplifier of at least 562.5 watts at 8 ohms. Of course, this is ignoring the fact that the driver will handle peaks above 150 watts quite easily, meaning an even larger amplifier is probably safe, if properly limited. [/QUOTE]
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Should I modify my SR4732A'a or leave them stock?
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