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#48702 - 10/07/02 04:33 PM Why get the ICBM
Dan Janosick Offline
Deputy Gunslinger

Registered: 10/07/02
Posts: 2
Loc: NY USA
I own an Onkyo TxDs-898 receiver with bass management built in, why woul I need and how would my system benefit from the Outlaw ICBM?

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#48703 - 10/07/02 04:40 PM Re: Why get the ICBM
charlie Offline
Desperado

Registered: 01/14/02
Posts: 1176
Not all BM is created equal. Tell us about the Onkyo BM and your speakers, then you will get some useful replies.
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Charlie

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#48704 - 10/07/02 04:54 PM Re: Why get the ICBM
gonk Offline
Desperado

Registered: 03/21/01
Posts: 14054
Loc: Memphis, TN USA
Your receiver has bass management for the digital inputs and the stereo analog inputs (which in most cases covers DVD, VCR, CD, LD, and/or satellite), but the 5.1 channel analog input (which is necessary for DVD-Audio or SACD) does not make use of that bass management. This is because the 5.1 input is a "bypass" input, skipping all of the receiver's circuitry and going directly from input to volume control to amplification (either the internal amps or the pre-amp outputs). The ICBM would be located between the DVD-Audio or SACD player and the receiver to provide that bass management. This would be particularly useful if you do not have full-range speakers all the way around (as some DVD-A and SACD discs are mixed with low frequency information in those channels, and that information is lost if the speakers can't reproduce it and it can't be diverted to a subwoofer) or if you do not use a sub (in which case, the LFE channel is simply lost because it can not be redirected to other speakers).

Some people also use the ICBM between their pre/pro or receiver and outboard amplifiers and use the ICBM instead of the bass management in the pre/pro or receiver because of the additional flexibility that the ICBM can offer. For example, your receiver's bass management uses a fixed 80Hz crossover (according the manual online), whereas the ICBM would allow you to use crossover points better suited to your speakers. If you are not using an outboard amp right now, this wouldn't do you any good (unless you wanted to buy an amp, too, of course...).

If you think it might be useful for you, you might want to skim through the ICBM's manual , as most of the possible ways to connect an ICBM to a system are outlined there.

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#48705 - 10/07/02 06:56 PM Re: Why get the ICBM
Dan Janosick Offline
Deputy Gunslinger

Registered: 10/07/02
Posts: 2
Loc: NY USA
WOW!!! That is a rapid response!
Here is what equipment I have and then maybe you can help me on whether the ICBM would help me!

1-onkyo txds-898 receiver
2-acurus 200*3 to drive l/r/center speakers
3-onkyo has preamp in/out for all

4-front left and right are JBL s312 speakers
Frequency Response (3dB): 35Hz 20kHz Crossover Frequency(ies): 750Hz, 3000Hz

5-center channel speaker JBL scenter

Frequency Response (3dB): 75Hz 20kHz Crossover Frequency(ies): 800Hz, 3200Hz

6-side speakers cambridge sound works dual sub woofers with satellites

7-rear speakers-Pinnacle PN6+
Frequency Response: 40-21 kHz (+/- 3 dB)

Crossover Frequency: 2.5 kHz

8-Pinnacle passive sub (dual 6 inch drivers for center channel

9-Definitive technolgy powerfield 1500 subwoofer

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