Carver Platinum Mark IV

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Brucest
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Carver Platinum Mark IV

Post by Brucest » Tue Oct 21, 2008 4:06 pm

For sale in Houston TX.

Good shape, set up for bi amp with DBX Xover, all new woofers and one spare ribbon. Audition welcome.

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engtaz
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Re: Carver Platinum Mark IV

Post by engtaz » Tue Oct 21, 2008 5:45 pm

What are you asking for them and how far will you go to meet someone for a sell. PICs plz.
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Carver M4.0T in front channels to Caver AL VI's in SACD & 2 Channel setup
C 16, PT 2400, Slim Device, Carver TX-8, 490T and Rega TT w Grado Gold cart in the 2 channel setup
Bogen SRB20 is computer amp
Carver PM-350 donated for youth church use

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Re: Carver Platinum Mark IV

Post by Mr. M-500t » Tue Oct 21, 2008 7:48 pm

How much for the spare ribbon ?

Brucest
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Re: Carver Platinum Mark IV

Post by Brucest » Fri Oct 24, 2008 2:28 pm

Hi, thanks for your resonses.

I'm asking $2500 for the whole setup and I'm afraid transport is a problem.

At this point I don't want to sell the ribbon seperately. If I remember I spent about 300 on it and had it refurbished for another 300, but I'd have to check on the latter.

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engtaz
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Re: Carver Platinum Mark IV

Post by engtaz » Fri Oct 24, 2008 4:00 pm

word of advice, your price seams high. check prices on ebay to give you an idea of prices.
engtaz


Carver M4.0T in front channels to Caver AL VI's in SACD & 2 Channel setup
C 16, PT 2400, Slim Device, Carver TX-8, 490T and Rega TT w Grado Gold cart in the 2 channel setup
Bogen SRB20 is computer amp
Carver PM-350 donated for youth church use

Brucest
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Re: Carver Platinum Mark IV

Post by Brucest » Wed Nov 12, 2008 8:11 pm

You may be right but there's a 1000+ worth of extras here. There nothing comparable on ebay.

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Re: Carver Platinum Mark IV

Post by Brucest » Wed Nov 12, 2008 8:11 pm

Look at Audiogon for pictures.

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F1nut
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Re: Carver Platinum Mark IV

Post by F1nut » Wed Nov 12, 2008 9:30 pm

Ok, I looked. Why do you have a pic of plastic bags in some sort of woven basket?

Anyway, $2500.00 is unrealistic even with the extra ribbon and you can't count the cost of the new woofers into the equation, just doesn't work that way. I'd say $1500.00 is more inline and even then may be on the high side.

Some tips for selling. Dust whatever it is you're selling. Take good pictures and show everything that you're offering. In your case, show the extra ribbon and show the DBX crossover.

For the record, I'm not interested in them.
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Brucest
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Re: Carver Platinum Mark IV

Post by Brucest » Thu Nov 20, 2008 11:06 am

Thanks for the advice.

FWIW I'm not particularily counting the cost of the woofers into the equation, just a selling point. The extra ribbon cost $600, the DBX $300, and the various things needed to complete the biamping gets me more that $1000.

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Scarabeo
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Re: Carver Platinum Mark IV

Post by Scarabeo » Sat Nov 22, 2008 5:17 am

Brucest wrote:Thanks for the advice.

FWIW I'm not particularily counting the cost of the woofers into the equation, just a selling point. The extra ribbon cost $600, the DBX $300, and the various things needed to complete the biamping gets me more that $1000.
This is all coming new to me as I had my Carvers from day one 17-18 years my C-2 pre-amp since 86 but am lost on the DBX and all this about moving up ribbons to 200hz to make them last longer stuff!!! Can some one PLEASE fill me in on this? Should I be doing this and what should I do? I bring it up after seeing these Platinum's for sale and it being done to them.
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Re: Carver Platinum Mark IV

Post by BillD » Sat Nov 22, 2008 12:25 pm

Well, I thought the ribbons in the Plats crossed over at 100Hz to the woofers. The Silvers and AL-IIIs crosssed at 150Hz, I believe (I know, for a fact for the AL-IIIs). Don't know what the originals crossed at. Anyway, I guess upping the crossover frequency with an active crossover like a DBX would take some strain off the ribbons, as the excursion at lower frequencies is greater, but that would leave a hole in your frequency response unless the internal passive crossovers were stripped out. If that's the case, then he needs to address the other issues with the response curve of the ribbon that were taken care of by the passive crossover.
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Re: Carver Platinum Mark IV

Post by Brucest » Tue Nov 25, 2008 1:07 pm

Reply to Scarabeo.

As you're probably aware most high end speakers benefit from biamping. This requires an "active" crossover which splits the signal before the amp (and of course more amps are needed.) That's what the DBX does. Its a digital device. You can find recommendations for analog devices on this website.

Again on this website, you can find very strong recommendations to set the crossover frequency at 200 Hz and also to alter the frequency curve to offset a resonant peak at 7kHz. Allegedly Bob Carver himself agrees with the higher crossover frequency. This is relative easy to do with the DBX which gives one lots of options, and I believe, though others could correct me, that the analog crossovers do much the same thing.

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Re: Carver Platinum Mark IV

Post by BillD » Tue Nov 25, 2008 2:08 pm

I then presume the speakers have no internal crossover in them — correct?
It should sound like it isn't there!
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Making life enjoyable through expensive electronics.
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Sunfire:Theater Grand III processor, Ultimate Receiver, Cinema Grand Signature 400 ~ seven, True Subwoofer Mk. II, D-10 Subwoofer

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Re: Carver Platinum Mark IV

Post by Brucest » Wed Nov 26, 2008 10:04 am

With regard to biamped speakers, the internal Xover has been disconnected. A big part of the biamp effort is to bypass that Xover which, as I understand it, is inherently inferior because of the required that it handle real power.

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Re: Carver Platinum Mark IV

Post by BillD » Fri Nov 28, 2008 4:21 pm

The Clearview crossover crossed the ribbons to the woofers at 200 Hz (except for the last model, which uses the internal passive crossovers of the speaker — which I never understood, because they are different for different models of Amazings). The Clearview crossover also had all the little tweaks to deal with the ribbon non-linearity which, unless that dbx unit also has a parametric equalizer built into it, won't be handled.
It should sound like it isn't there!
There is a difference between hearing and listening...
Making life enjoyable through expensive electronics.
_________________
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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