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Crossover Questions

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Reese

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TFM-75

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Post Mon Jun 08, 2009 2:29 pm

Re: Crossover Questions

BillD wrote:Skip, if you have the schematics for the upgrades originals (60" ribbons and honeycomb woofers), I'd really like to have a look at them. Can you post them or give me a PM?



Yeah, before August, please! (wink) LOL
Too often we enjoy the comfort of opinion without the discomfort of thought -- JFK

Sunfire Classic Tube Preamp; 2 Carver Silver 7ts, 2 Silver 9ts; bi-amped ALS (Originals upgraded to Platinum), Rane PE15's eq's and Rane AC22 xcrossover; Carver c-19 tube pre;
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BillD

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Post Mon Jun 08, 2009 2:35 pm

Re: Crossover Questions

¡Si! Gracias 8)
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.)
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weitrhino

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Post Mon Jun 08, 2009 3:56 pm

Re: Crossover Questions

OK, here's a picture of my left crossover on my upgraded Plats. I am the third owner of this pair. The guy I bought them from purchased them after the original owner's kid ran a pencil through one of the original ribbon pairs. He had them upgraded after he bought them and supplied me with the name of the shop that performed the upgrade for him in central PA, so I would have to believe the crossovers were replaced as part of the package upgrade. It looks like the crossover part number is written on the board.

I hope that helps!

Image
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tah800

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Post Mon Jun 08, 2009 4:03 pm

Re: Crossover Questions

Those are not the same as mine. Now I am worried . Art
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BillD

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(pair of) SILVER-7 TUBE AMPs

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Post Mon Jun 08, 2009 5:27 pm

Re: Crossover Questions

Rodney, I'm looking at your picture. Under those 4 25W resistors, I believe there is an inductor, a 150µF electrolytic (NP) and a 100µF mylar cap. Is that all that's under there?
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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BillD

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(pair of) SILVER-7 TUBE AMPs

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

Post Mon Jun 08, 2009 5:44 pm

Re: Crossover Questions

I forgot, there's probably a 7 ohm resistor under there too. Art, what is the value of the black cap that standing up on the board next to that transformer-like thing. If it equivalent to the two blue caps in Rodney's picture, you have essentially equivalent crossovers. That still bother me about the woofers, though.
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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Eddie

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Eddie The Knife

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Post Mon Jun 08, 2009 5:52 pm

Re: Crossover Questions

You guys missed the boat! The part number for the crossover is right on it!

Part # 608-00444-01A

Thanks weitrhino you just filled in the blanks!
Last edited by Eddie on Mon Jun 08, 2009 6:08 pm, edited 1 time in total.
Good judgment comes from experience,but experience usually comes from bad judgment.

The best thing is to learn from others that have mastered the one thing you need to learn!

I would tell you to go to hell but I already work there and I don't want to see your ugly face every day!
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BillD

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(pair of) SILVER-7 TUBE AMPs

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Post Mon Jun 08, 2009 6:03 pm

Re: Crossover Questions

I'm confused Eddie. I see no number on Art's crossover. I thought we were trying to verify that Art had the same upgraded crossover as Rodney, so I was going by parts and the schematic I have here on my desk. Anyway, I think the P/N for a Platinum is 601-00528-00 (A-E).
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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PDR

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TFM-45

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Post Mon Jun 08, 2009 6:34 pm

Re: Crossover Questions

Bill what about that yellow cap....on rodneys it says 100V on Arts it says 200V

Like I know what any of that is ........just an observation.......interesting though.

Perry
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BillD

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(pair of) SILVER-7 TUBE AMPs

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

Post Mon Jun 08, 2009 7:24 pm

Re: Crossover Questions

I'd say Art is a little safer than Rodney if he cranks it. Same 10µF capacitance, though. It's that black cap that is curious to me. Rodney's has a pair of 200µF caps in parallel (400µF). The platinum crossover calls for a 450µF cap there. If Art has 450µF, he has a platinum crossover rather than the upgrade. It should only change the frequency response a little, though.
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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tah800

TFM-25

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Location: Sussex,New Brunswick, Canada

Post Mon Jun 08, 2009 7:32 pm

Re: Crossover Questions

That photo doesn't fill in any blanks for me. I've seen another picture of platinum crossovers and that was different too. I really have no idea of what I'm looking at.Those things are just greek to me. Maybe that one is some sort of hybrid. Did anyone else convert their originals and get the same thing as weitrhino?????????????????
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tah800

TFM-25

Posts: 395

Joined: Sun Mar 07, 2004 9:26 pm

Location: Sussex,New Brunswick, Canada

Post Mon Jun 08, 2009 8:04 pm

Re: Crossover Questions

O.K here are the differences between my crossovers and those of weitrhino. I will explain in terms of things. I'm a complete dummy when it comes to capacitors resistors etc #-o Mine has a black thing with 450uF -150V written on it vs the other with 2 blue things with 200uF-150v. The yellow thing on mine says 10K 200V vs 10.0K 100V. Now, if you know what those things do maybe someone can explain why they would be different. Here sits a clueless man when it comes to this shit.
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Eddie

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Eddie The Knife

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Post Mon Jun 08, 2009 8:28 pm

Re: Crossover Questions

BillD wrote:Rodney, I'm looking at your picture. Under those 4 25W resistors, I believe there is an inductor, a 150µF electrolytic (NP) and a 100µF mylar cap. Is that all that's under there?


Bill the part number is on weitrhino's crossover is under the blue caps on the right!
Good judgment comes from experience,but experience usually comes from bad judgment.

The best thing is to learn from others that have mastered the one thing you need to learn!

I would tell you to go to hell but I already work there and I don't want to see your ugly face every day!
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PDR

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TFM-45

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Post Mon Jun 08, 2009 8:50 pm

Re: Crossover Questions

So art has the plats cross-over........right?
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weitrhino

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Joined: Thu Aug 17, 2006 10:40 am

Location: North Carolina

Post Mon Jun 08, 2009 9:03 pm

Re: Crossover Questions

BillD wrote:Rodney, I'm looking at your picture. Under those 4 25W resistors, I believe there is an inductor, a 150µF electrolytic (NP) and a 100µF mylar cap. Is that all that's under there?



Well, I've gone and reassembled the whole thing. We have 5 guests staying with us and space is at a premium but if need be, I can re-examine the crossover again tomorrow.
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