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BiAmping JBL 4367 Speakers

I was considering running a tube amp on the horn portion of the JBL and keeping a solid state amp on the woofer section. My Trinov preamp has a fully adjustable electronic crossover, so I could set a crossover point for 700 Hz for the amps. 

 

The question is would it hurt to use the external binding posts to each driver section of the speakers and leave the passive crossovers in place. I suppose I could eventually bridge the connections in the passive crossover and go directly to the drivers, but this is just a trial to see how things work. 

Any significant problems with doing it this way?

neonknight
ditusa's avatar
ditusa
2,447 posts
 

Actively multi-amping JBL speakers! See here 😎

Mike

 

 

fiesta75
1,535 posts
 

Sorry for the incorrect info. The 4367 is not wired for bi-amping like the other JBL 4300 series speakers. I should know better than to assume!  audiorusty - JBL lists the 4367 as a 2-way system, but it actually has an ultra-high frequency driver in addition to the midrange horn. I'm not familiar with the internal wiring setup, so I do not know if you can actually access the voice coil wires for the UHF driver.

ohlala
1,276 posts
 

You may want to look in to the M2, the "pro" version of 4367 that is made for use with a DSP crossover.  I do not know what is to be gained by using an active crossover with a passive crossover. I assume gain can be easily adjusted though the Trinnov, though. 

neonknight OP
531 posts
 

Well let us say we want to run these speakers with tube amplification then. What ends up being an appropriate amplifier? Can Quicksilver monos in the 100 watt range do it? 

ohlala
1,276 posts
 

I tried a VAC 170iq, a KT88 x 4/ 85 watt per channel amp with my 4367s. That amp could not control the woofers. This resulted in forward mids and highs and recessed bass. I replaced it with a 532H, which fixed that problem.  

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