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Weird resistance measurement

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fstik

M-400t CUBE

Posts: 138

Joined: Tue Jun 28, 2005 8:34 pm

Location: The Palm Beaches, FL

Post Tue Jun 02, 2009 11:03 am

Weird resistance measurement

Hello fellow Carverites...

Just finished upgrading my Original ALS' to Plats with rebuilt ribbons, replacement woofers from Dynavox (before the price increase!) and a pair of Plat crossovers. Since I didn't have the Biamp terminal cups, I just attached the woofer and ribbon wires from the crossover input together and soldered them to the respective input terminals. My issue is this - when I attach a multimeter across the input terminals to the speakers, I am only reading about 4 ohms. This don't seem right ](*,)

Can anyone with a set of plats check the input resistance please?

Thanks,

fstik
Last edited by fstik on Tue Jun 02, 2009 1:05 pm, edited 1 time in total.
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TNRabbit

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Post Tue Jun 02, 2009 11:32 am

Re: Wierd resistance measurement

The Plats & the Originals w/ Plat conversion don't have the exact same impedance, if I remember correctly. I think weitrhino has a pair of converted Plats; perhaps he can measure for you...
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fstik

M-400t CUBE

Posts: 138

Joined: Tue Jun 28, 2005 8:34 pm

Location: The Palm Beaches, FL

Post Tue Jun 02, 2009 11:59 am

Re: Wierd resistance measurement

Thanks for the quick reply Rabbit... This isn't really a Plat upgrade... I am using an original plat crossover, as well as the original (well, replacement) Plat woofers. Should be the same as a stock pair of Plats. Would still be interested in resistance measurements of the Carver Upgrade Plats as well as the stock Plats.

fstik
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F1nut

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SILVER-7 TUBE AMP

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Post Tue Jun 02, 2009 12:11 pm

Re: Wierd resistance measurement

The DCR across your binding posts is not the speaker's true impedance.
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fstik

M-400t CUBE

Posts: 138

Joined: Tue Jun 28, 2005 8:34 pm

Location: The Palm Beaches, FL

Post Tue Jun 02, 2009 1:09 pm

Re: Wierd resistance measurement

F1nut wrote:The DCR across your binding posts is not the speaker's true impedance.


That is true, I would need an LCR bridge to effectively measure that. However, I'm just looking to get a comparison reading from an already functional set of plats.

fstik
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F1nut

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SILVER-7 TUBE AMP

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Post Tue Jun 02, 2009 8:02 pm

Re: Weird resistance measurement

Gotcha.
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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