Reply to thread

Message

<blockquote data-quote="helotaxi" data-source="post: 1932311" data-attributes="member: 550915"><p>If you understand the electrical theory behind a passive dividing network you would understand how the power is divided within the crossover and that the losses are greatest around the crossover freq but are still fairly small.&nbsp; Away from the crossover point the losses are basically negligible.&nbsp; At lower frequencies, where you need the power for the best midbass response, pretty much all the power is going to the midbass with negligible loss.&nbsp; At higher freqs where the tweeter alone are playing, the losses are usually higher because of a resistor in line with the tweet as an attenuator.&nbsp; As such you wouldn&#039;t need double the power on an active setup, but you will need more.&nbsp; Active setups are not twice as efficient across the board, not nearly.&nbsp; The power is most important in the midbass freqs so a passive setup running 150x2 would have a definite advantage in the midbass range over an active one running off 75x4.&nbsp; 3dB of headroom is a big difference.</p></blockquote><p></p>

[QUOTE="helotaxi, post: 1932311, member: 550915"] If you understand the electrical theory behind a passive dividing network you would understand how the power is divided within the crossover and that the losses are greatest around the crossover freq but are still fairly small. Away from the crossover point the losses are basically negligible. At lower frequencies, where you need the power for the best midbass response, pretty much all the power is going to the midbass with negligible loss. At higher freqs where the tweeter alone are playing, the losses are usually higher because of a resistor in line with the tweet as an attenuator. As such you wouldn't need double the power on an active setup, but you will need more. Active setups are not twice as efficient across the board, not nearly. The power is most important in the midbass freqs so a passive setup running 150x2 would have a definite advantage in the midbass range over an active one running off 75x4. 3dB of headroom is a big difference. [/QUOTE]

Verification