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carver Al-3 Plus, 4 Ohms or 8 ohams

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topvideo

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Joined: Tue Jun 23, 2009 11:29 pm

Post Wed Jun 24, 2009 12:08 am

carver Al-3 Plus, 4 Ohms or 8 ohams

Hi evervone, my name is Alan and I am new to this forum.

I am the owner of a Al-3 plus since 1998 and 3 months age I change my power amp to a Rogue m-120 monoblocks ( http://www.rogueaudio.com/Products_m120.htm ) which has separate 4 and 8 ohm speaker taps in the back, and for whatever reason ( I must be daydreaming) I connect the al-3 to the 8 ohm speaker taps 3 months ago and use it 2 to 3 hours per day. My Question is (a) Is the al-3 is Impedance at 4 Ohms? and (b) Will it cause damage to the amplifier or the speaker if I use the incorrect ohms taps?

Today, I moved the speaker cable back to the 4 ohm taps, and I hope I didn't damage anything.

The following is my system info:
Shanling CD-T100C CD Player
Audio Experience SYMPHONIES Tube preamp
Rogue M-120 Tube monoblocks
Carver AL-III Plus Speaker
MIT Shotgun S2 Interconnect (CD to preamp)
Audio metallurgy GA-0 Interconnect (preamp to amp)
Transparent Ultra bi-wired Speaker cable
ps audio Power cord

Thank
Alan
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TNRabbit

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(pair of) SILVER-7 TUBE AMPs

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Post Wed Jun 24, 2009 2:26 am

Re: carver Al-3 Plus, 4 Ohms or 8 ohams

Welcome, Alan~

Yes, the AL-III impedance is 4 ohms. However, I'm not sure what connecting to your 8 ohm taps would do to your amplifier. I'm sure someone with more knowledge about amplifier topology will be along to answer your question soon!
TNRabbit
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From FrankieD's lips to your ears: Sunfire - a quiet box of endless power.

Sunfire TG-IV/400~7 Amp
Carver SD/A-360 CDP
Benchmark DAC-1
Sony SACD/DVD-A
Active bi-amp: Ashly XR-1001 & 2 Rane PEQ-15s
Main: HotRodded AL-IIIs
Sub: Klipsch RT-12d
Center: Sunfire CRS-3c
Surround: Sunfire CRS-3 (x 2)

OconeeOrange wrote:"Gary likes to play it 'loud' as do I. His system begs you turn it up until you die"

RIP WIlliam B. Dibble, 1948-2012. I'll miss you my friend.
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topvideo

Newbie

Posts: 3

Joined: Tue Jun 23, 2009 11:29 pm

Post Wed Jun 24, 2009 2:56 am

Re: carver Al-3 Plus, 4 Ohms or 8 ohams

Thank You TNRabbit. As of today, everything still working and sound good, it was a stupid mistake and I just don't want to damage the amp or the ribbons.

Alan

Attached is a photo of the set-up
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TNRabbit

User avatar

(pair of) SILVER-7 TUBE AMPs

Posts: 13283

Joined: Sun Jan 14, 2007 11:53 am

Location: TN Native Languishing in VA

Post Wed Jun 24, 2009 5:42 am

Re: carver Al-3 Plus, 4 Ohms or 8 ohams

Beautiful! =D> =D>

If you didn't push the amps hard while they were hooked to the incorrect outputs, I doubt you did any harm...
TNRabbit
Image

From FrankieD's lips to your ears: Sunfire - a quiet box of endless power.

Sunfire TG-IV/400~7 Amp
Carver SD/A-360 CDP
Benchmark DAC-1
Sony SACD/DVD-A
Active bi-amp: Ashly XR-1001 & 2 Rane PEQ-15s
Main: HotRodded AL-IIIs
Sub: Klipsch RT-12d
Center: Sunfire CRS-3c
Surround: Sunfire CRS-3 (x 2)

OconeeOrange wrote:"Gary likes to play it 'loud' as do I. His system begs you turn it up until you die"

RIP WIlliam B. Dibble, 1948-2012. I'll miss you my friend.
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thuffman03

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!! CarverFest Evictee !!

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Location: Pittsburgh, PA

Post Wed Jun 24, 2009 9:23 am

Re: carver Al-3 Plus, 4 Ohms or 8 ohams

Welcome to the forum. Wonderful looking system you have.
Some cool Carver stuff!
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weitrhino

SILVER-7t

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Joined: Thu Aug 17, 2006 10:40 am

Location: North Carolina

Post Wed Jun 24, 2009 2:16 pm

Re: carver Al-3 Plus, 4 Ohms or 8 ohams

My sense is the amps worked a little harder to drive the load, but like rabbit says if you didn't push them hard then there's probably no reason to worry.
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skip

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aka (Sasquach)

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Location: Gaston, S.C.

Post Wed Jun 24, 2009 3:19 pm

Re: carver Al-3 Plus, 4 Ohms or 8 ohams

Beautiful system! How do you like the Shandling CD player? If the amps still work, I doubt any harm was done. Did they overheat at all?
Sasquatch
TnRabbit's Assistant Official OCCD Enabler.

How long a minute is, depends on what side of the bathroom door you're on.
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topvideo

Newbie

Posts: 3

Joined: Tue Jun 23, 2009 11:29 pm

Post Thu Jun 25, 2009 2:26 am

Re: carver Al-3 Plus, 4 Ohms or 8 ohams

Thank everyone for the help, both amps and speakers are working fine, today I use piano music to test the speaker for 2 hours and they sound as good as the first day I bought it. Also received email from tech support of Rogue Audio, they stated the amps is able to handle such abuse and I will only get slightly lower power if use the incorrect taps.

As for the Shanling, I own it for 3 1/2 years, it build like a tank, nice up-sampling to tightening up the resolution & soundstage and I was very happy with the rich & colorful midrange performance. However the there is no tech support from the company (they never return email) and the player is very sensitive to feedback and will skip if the cd is scratch.

Thanks
Alan

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