View Full Version : JBL 4355 Bi amping Question.
AS-21
12-26-2017, 08:17 AM
Is it possible for the 4355 to be used with a single amplifier (McIntosh MA9000 capable of driving 2 ohm loads) by using (an) external passive crossover(s)? An active crossover would require an additional amplifier which I would prefer not having to do as the MA9000 has ample current capability for the task.
If so, can anybody recommend a passive crossover(s) that would fit the purpose? The system needs to cutoff above and below 290 Hz @ -12 dB/octave.
Just received a specially ordered equipment stand that cannot accommodate additional equipment and of course the cost of additional amplifier so the importance of passive bi amplification - if at all possible - cannot be overemphasized in this situation.
Thanks for any help.
Challenger604
12-28-2017, 07:49 PM
The 4355 was designed to be bi-amped. Not 12 but 18 DB/Octave.
I don't recommend to try mono amp. But you do whatever you want!
And I'm sure someone else will say go for it...
And I'm sure someone else will say go for it...
It won’t be me.:banghead:
Mannermusic
12-29-2017, 08:48 AM
Is it possible for the 4355 to be used with a single amplifier (McIntosh MA9000 capable of driving 2 ohm loads) by using (an) external passive crossover(s)? An active crossover would require an additional amplifier which I would prefer not having to do as the MA9000 has ample current capability for the task.
If so, can anybody recommend a passive crossover(s) that would fit the purpose? The system needs to cutoff above and below 290 Hz @ -12 dB/octave.
Just received a specially ordered equipment stand that cannot accommodate additional equipment and of course the cost of additional amplifier so the importance of passive bi amplification - if at all possible - cannot be overemphasized in this situation.
Thanks for any help.
Could give Phil Marchand in Rochester, NY a call. He does this sort of custom stuff. Basically agree with Challenger 604 (post#2).
AS-21
12-29-2017, 09:14 AM
Have decided to go with a different pair of JBLs that can be single amplified.
Thanks for the replies.
ivica
12-29-2017, 11:39 AM
Is it possible for the 4355 to be used with a single amplifier (McIntosh MA9000 capable of driving 2 ohm loads) by using (an) external passive crossover(s)? An active crossover would require an additional amplifier which I would prefer not having to do as the MA9000 has ample current capability for the task.
If so, can anybody recommend a passive crossover(s) that would fit the purpose? The system needs to cutoff above and below 290 Hz @ -12 dB/octave.
Just received a specially ordered equipment stand that cannot accommodate additional equipment and of course the cost of additional amplifier so the importance of passive bi amplification - if at all possible - cannot be overemphasized in this situation.
Thanks for any help.
Hi AS-21,
may be You can start the project with 4435 info
http://www.jblproservice.com/pdf/studio%20monitor%20series/4435lr.pdf
but some work, almost the same as in 4345 network has to be elaborated or may be
helpfull
http://www.audioheritage.org/vbulletin/showthread.php?34844-JBL-4350-minus-one-woofer&p=354239&viewfull=1#post354239
All the Best
Ivica
Mr. Widget
12-30-2017, 11:08 AM
Have decided to go with a different pair of JBLs that can be single amplified.
Thanks for the replies.Excellent decision. I was going to suggest that myself, but was afraid it would sound too snarky.
What other speakers are you considering?
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