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Question on CRM-2's

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mr3putt

M-400t CUBE

Posts: 151

Joined: Mon Feb 04, 2008 3:02 pm

Location: Ipswich MA

Post Sat Nov 20, 2010 11:50 am

Question on CRM-2's

Greetings

I am running a pair of CRM-2's with a Sunfire 300x2 amp fed from the AUX pre-out of a Sunfire Ultimate Receiver
The speaker manual says to set the bass crossover to 100hrz for the CRM's
Unfortunately the Ultimate pre-amp copies the signal from the Mains out to the AUX out.
My Mains are JBL L-100's and I would like to keep the low end frequencies to them.

Question:
If I continue to to send the full frequency range to the CRM's will I damage the speakers?

Thanks
Mr3putt

PS
The system sounds awesome \:D/
Sunfire Ultimate Reciever & Sunfire 300x2
Carver HR 895-TFM 15
Carver 490t CD
Carver 1770 Tape
Sunfire CRM-2's - 1 Pair
JBL-L100's
NHT Satellites-2 Pairs
Klipsch Sub
Technics SL-QD33 Turntable
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jjptkd

User avatar

SILVER-7 TUBE AMP

Posts: 2892

Joined: Wed Sep 22, 2010 4:50 pm

Location: Snohomish, WA

Post Sat Nov 20, 2010 12:57 pm

Re: Question on CRM-2's

At low volumes it should be fine but if you plan on turning it up I'd unplug them. At higher levels running them full range it's pretty easy to drive them to distortion, which you might not be able to hear over your other speakers, and prolonged distortion will most certainly damage them.
Sunfire TGP-III
Sunfire 405x5
PS Audio DL-III DAC
(2 Pairs) Klipsch Chorus II's
Klipsch RSW 15
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jjptkd

User avatar

SILVER-7 TUBE AMP

Posts: 2892

Joined: Wed Sep 22, 2010 4:50 pm

Location: Snohomish, WA

Post Sat Nov 20, 2010 1:02 pm

Re: Question on CRM-2's

You might be able to pass the signal through your subwoofer, depending on the model you have, which should give you atleast a 80hz crossover point. Just an idea...
Sunfire TGP-III
Sunfire 405x5
PS Audio DL-III DAC
(2 Pairs) Klipsch Chorus II's
Klipsch RSW 15
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BillD

User avatar

(pair of) SILVER-7 TUBE AMPs

Posts: 7295

Joined: Wed Jun 06, 2007 8:29 pm

Location: The west's most mid-western town, Scottsdale, Arizona

Post Sat Nov 20, 2010 1:37 pm

Re: Question on CRM-2's

Well, if your mains are set to "large", you get the full spectrum to them (and the aux outputs). You could try some F-MODs on the AUX outputs.
It should sound like it isn't there!
There is a difference between hearing and listening...
Making life enjoyable through expensive electronics.
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Carver: C-4000 & C-1 preamps, PSC-60 preamp/tuner, TX-11a tuner, M-400 (2), C-500, M-500, M-500t, M-500t Mk.II, A-500x, AL-III loudspeakers (2 pr.)
Sunfire:Theater Grand III processor, Ultimate Receiver, Cinema Grand Signature 400 ~ seven, True Subwoofer Mk. II, D-10 Subwoofer
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mr3putt

M-400t CUBE

Posts: 151

Joined: Mon Feb 04, 2008 3:02 pm

Location: Ipswich MA

Post Sat Nov 20, 2010 2:17 pm

Re: Question on CRM-2's

BillD wrote:Well, if your mains are set to "large", you get the full spectrum to them (and the aux outputs). You could try some F-MODs on the AUX outputs.


Thanks BillD

That's perfect
They are on the way
Sunfire Ultimate Reciever & Sunfire 300x2
Carver HR 895-TFM 15
Carver 490t CD
Carver 1770 Tape
Sunfire CRM-2's - 1 Pair
JBL-L100's
NHT Satellites-2 Pairs
Klipsch Sub
Technics SL-QD33 Turntable
<<

jjptkd

User avatar

SILVER-7 TUBE AMP

Posts: 2892

Joined: Wed Sep 22, 2010 4:50 pm

Location: Snohomish, WA

Post Sat Nov 20, 2010 3:07 pm

Re: Question on CRM-2's

Those f-mods are pretty slick-- I've never heard of them before and very reasonably priced.
Sunfire TGP-III
Sunfire 405x5
PS Audio DL-III DAC
(2 Pairs) Klipsch Chorus II's
Klipsch RSW 15
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stereo_buff

User avatar

TFM-55

Posts: 752

Joined: Mon Dec 03, 2007 7:01 pm

Location: Rained out in W. Washington

Post Mon Nov 22, 2010 4:46 pm

Re: Question on CRM-2's

Bob (and Sunfire) specifically recommends that you not run the CRM-2s full-range.

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