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Carver Amps and Apogee Divas...

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Enigmatic51

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Post Sun Oct 28, 2012 10:41 pm

Carver Amps and Apogee Divas...

I need an anserw to the question as follows. If one has TWO Carver 4.0t power amps in mono can they power a set of Apogee Divas ...if not what would happen? I thank you...
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jjptkd

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Post Sun Oct 28, 2012 10:59 pm

Re: Carver Amps and Apogee Divas...

They'd likely shut down and go into protect mode. One of those amps in stereo should be enough power according to the specs.
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Enigmatic51

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Post Sun Oct 28, 2012 11:03 pm

Re: Carver Amps and Apogee Divas...

Is there a way to use boths amps, if so how or just stick with one?
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TNRabbit

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Post Sun Oct 28, 2012 11:05 pm

Re: Carver Amps and Apogee Divas...

You could use both IF the Divas afe biampable.
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Enigmatic51

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Post Sun Oct 28, 2012 11:05 pm

Re: Carver Amps and Apogee Divas...

I forgot to ask the Ohms on the Divas are pretty low...Is that going to be a problem?
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Gene C

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Post Sun Oct 28, 2012 11:12 pm

Re: Carver Amps and Apogee Divas...

How low? Had a Pair of Kappa 9's bi amped with 2 M-4.0t's. The kappas drop down into low ohms too. You pull out those 12 amp fuses your running and put some 15 amp fuses in there, you should be smooth runnin.
Living room...Sunfire TGP-III 11.4 setup 4 Silver Seven t's/Infinity Kappa 9A (main)/ 4 TFM-45's/ CRS3 (main) /Sunfire CRS3C (center)/Pro-Ject RPM 5.1 v2/Jolida JD-9 II /Apple TV/Wadia 171i/SD/A-490T /WA6/Infinity PS-312 sub & Sunfire Signature Sub (rear)/2 Martin Logan Dynamo 1000 watt subs (front)/AV-806X/4 Infinity C255ES bi pole speakers for sur, sur back and side axis/70" Sharp Aquos LC-70LE733U/Oppo BDP-95 Blu-ray/Douglas Interconnects & 9ga speaker cable. Garage... HR-742/AudioSource EQ Eight Series II /TFM-6C/4 Infinity micro sl speakers/2 Martin Logan Motion 4/Infinity Entra 12" Sub. Office...TX-11a/C-1 Bill D mod by Dennis/Rich P. M-1.0t MKII opt 2/DTL-200/Infinity Kappa 6
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F1nut

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Post Sun Oct 28, 2012 11:36 pm

Re: Carver Amps and Apogee Divas...

Enigmatic51 wrote:I need an anserw to the question as follows. If one has TWO Carver 4.0t power amps in mono can they power a set of Apogee Divas ...if not what would happen? I thank you...


Their nominal impedance is 3 ohms, but they run at 1 ohm quite a bit. Therefore, your amp(s) will not drive them at any reasonable volume without shutting down. You'd need an amp rated to drive 1 ohm loads such as one of the older Krell KSA's or the newer Musical Fidelity Titan.
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Gene C

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Post Mon Oct 29, 2012 12:06 am

Re: Carver Amps and Apogee Divas...

F1nut wrote:
Enigmatic51 wrote:I need an anserw to the question as follows. If one has TWO Carver 4.0t power amps in mono can they power a set of Apogee Divas ...if not what would happen? I thank you...


Their nominal impedance is 3 ohms, but they run at 1 ohm quite a bit. Therefore, your amp(s) will not drive them at any reasonable volume without shutting down. You'd need an amp rated to drive 1 ohm loads such as one of the older Krell KSA's or the newer Musical Fidelity Titan.

My Kappa 9's dip down into .7 ohms to be exact in extended mode if i wasn't biamping them. At ear splitting volume F-1nut is right you need a lower load amp "like the siver seven t's im running now" If your trying to go deaf. At normal or loud volume? If my Kappa 9's can be driven by these amps yours can to. If i had listend to people who told me theres no way those amps can drive those speakers i would have never known. Both those amps have protection mode so they won't be harmed or harm your speakers. Do it, thank me later. Bob told me one would be good unless im trying to set records with an SPL meeter. These are very powerful amps and can seriously be underestimated. Make sure you change the fuses to 15 amps. Let us know how it sounded. I shouldn't be the only one that knows this.
Living room...Sunfire TGP-III 11.4 setup 4 Silver Seven t's/Infinity Kappa 9A (main)/ 4 TFM-45's/ CRS3 (main) /Sunfire CRS3C (center)/Pro-Ject RPM 5.1 v2/Jolida JD-9 II /Apple TV/Wadia 171i/SD/A-490T /WA6/Infinity PS-312 sub & Sunfire Signature Sub (rear)/2 Martin Logan Dynamo 1000 watt subs (front)/AV-806X/4 Infinity C255ES bi pole speakers for sur, sur back and side axis/70" Sharp Aquos LC-70LE733U/Oppo BDP-95 Blu-ray/Douglas Interconnects & 9ga speaker cable. Garage... HR-742/AudioSource EQ Eight Series II /TFM-6C/4 Infinity micro sl speakers/2 Martin Logan Motion 4/Infinity Entra 12" Sub. Office...TX-11a/C-1 Bill D mod by Dennis/Rich P. M-1.0t MKII opt 2/DTL-200/Infinity Kappa 6
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Gene C

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Post Mon Oct 29, 2012 12:11 am

Re: Carver Amps and Apogee Divas...

BTW my Sunfire TGPIII would get to about -23db on the volume before the driver amp would clip on certain music, clasical? -18db. Thats at 75% to 85% on the volume, thats loud. Tell me where your clipping point is once you get going there. Doubt your highside amp will clip before it starts to distort.
Living room...Sunfire TGP-III 11.4 setup 4 Silver Seven t's/Infinity Kappa 9A (main)/ 4 TFM-45's/ CRS3 (main) /Sunfire CRS3C (center)/Pro-Ject RPM 5.1 v2/Jolida JD-9 II /Apple TV/Wadia 171i/SD/A-490T /WA6/Infinity PS-312 sub & Sunfire Signature Sub (rear)/2 Martin Logan Dynamo 1000 watt subs (front)/AV-806X/4 Infinity C255ES bi pole speakers for sur, sur back and side axis/70" Sharp Aquos LC-70LE733U/Oppo BDP-95 Blu-ray/Douglas Interconnects & 9ga speaker cable. Garage... HR-742/AudioSource EQ Eight Series II /TFM-6C/4 Infinity micro sl speakers/2 Martin Logan Motion 4/Infinity Entra 12" Sub. Office...TX-11a/C-1 Bill D mod by Dennis/Rich P. M-1.0t MKII opt 2/DTL-200/Infinity Kappa 6
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Enigmatic51

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Post Mon Oct 29, 2012 12:22 am

Re: Carver Amps and Apogee Divas...

I would like to thank all that have responded to the question... If others want to chime in please do... =D>
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Gene C

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Post Mon Oct 29, 2012 12:32 am

Re: Carver Amps and Apogee Divas...

Enigmatic51 wrote:I would like to thank all that have responded to the question... If others want to chime in please do... =D>

Your welcome, now go get testing before someoneone else tels you it can't be done.
Living room...Sunfire TGP-III 11.4 setup 4 Silver Seven t's/Infinity Kappa 9A (main)/ 4 TFM-45's/ CRS3 (main) /Sunfire CRS3C (center)/Pro-Ject RPM 5.1 v2/Jolida JD-9 II /Apple TV/Wadia 171i/SD/A-490T /WA6/Infinity PS-312 sub & Sunfire Signature Sub (rear)/2 Martin Logan Dynamo 1000 watt subs (front)/AV-806X/4 Infinity C255ES bi pole speakers for sur, sur back and side axis/70" Sharp Aquos LC-70LE733U/Oppo BDP-95 Blu-ray/Douglas Interconnects & 9ga speaker cable. Garage... HR-742/AudioSource EQ Eight Series II /TFM-6C/4 Infinity micro sl speakers/2 Martin Logan Motion 4/Infinity Entra 12" Sub. Office...TX-11a/C-1 Bill D mod by Dennis/Rich P. M-1.0t MKII opt 2/DTL-200/Infinity Kappa 6
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F1nut

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Post Mon Oct 29, 2012 12:33 am

Re: Carver Amps and Apogee Divas...

Interesting specs listed for the Divas,

Maximum SPL - 115db SPL @ 4m with 100W amplifier in a 18'x25'x8' room

Sensitivity @ 3m - 87dB

Looks like fuzzy math to me.



Gene, what SPL's are you talking about here? I mean, what is loud to you might not be to someone else.

BTW my Sunfire TGPIII would get to about -23db on the volume before the driver amp would clip on certain music, clasical? -18db. Thats at 75% to 85% on the volume


Where did you come up with 75% to 85%?
Political Correctness...defined

A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end.



In a recent press conference, President Obama remarked, "If I had a city, it would look just like Detroit."
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F1nut

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Post Mon Oct 29, 2012 12:38 am

Re: Carver Amps and Apogee Divas...

"like the siver seven t's im running now"


What SPL do you get from running them? I ask because I've heard them driving Plat's and the SPL did not get all that loud before audible distortion became quite apparent.
Political Correctness...defined

A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end.



In a recent press conference, President Obama remarked, "If I had a city, it would look just like Detroit."
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Enigmatic51

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Post Mon Oct 29, 2012 12:40 am

Re: Carver Amps and Apogee Divas...

Forgive the ignorrance gentlemen, but I just dusted off the instruction manual of the M-4.0t and the show me what the mono configuration setup looks like, but there is no mention or drawing of bridged config...are they the same thing!? Thanks!
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Enigmatic51

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Post Mon Oct 29, 2012 12:56 am

Re: Carver Amps and Apogee Divas...

I am asking that we share our hard earn Knowledge without sharp words of sarcasuim. Everyone here has learn by there past experience on what works and what does not. I get the same from my Minelab metal detecting forum. Sometime both parties can be right depending on what you are looking for and the exact model in question. I ask the original question because it is a $5,000 dollar project that I really dont know if it would work prior to the link. So I dont want to be on the hook for a few more G,s just to hear them... Thanks...
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