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Old 24th April 2010, 03:58 PM   #1
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Default Carver Vs. Adcom

I have & had more than few Carer amps, ie M1.5, M1.0, PM2.0, M400a and TFM 35. Newly, I aquired used Adcom GFA 585 and Rotel RB1080 to venture out of Carver stuff.

My question is Carver uses 8 to 10 output BJT in serial Vs. Adcom gfa 585 and Rotel RB1080 uses same numbers of outputs in parallel. Carver claims high current on his amps as well as Adcom 585 and Rotel 1080 said they are too.
My self educated knowledge tells me both parallel and serial can not be right about their claim of "high current". Who is right? Can both right about their claims?

Thank you in advance for your contribution.
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Old 24th April 2010, 04:33 PM   #2
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Question this: What exactly = High Current?
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Old 24th April 2010, 04:38 PM   #3
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Quote:
Originally Posted by Zero Cool View Post
Question this: What exactly = High Current?
I do not know what they "want" to mean by stating "high current" on their amps and Ads. What do you think they mean?
Is "High Current" statement just pure marketing, may be?

Last edited by birdyman; 24th April 2010 at 04:42 PM.
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Old 25th April 2010, 08:13 AM   #4
ontoaba is offline ontoaba  Indonesia
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Low Current in parallel = High Current.
High Current in series = High Current
High Current = High Current
nothing wrong.
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Old 25th April 2010, 08:38 AM   #5
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Don't make fun of the guy just because he has Carver amps. A bit of compassion is more appropriate.

Paralleling generally indicates that each parallel device contributes to the total current, ie if a device is rated at a max current of 10A, 10 parallel devices will be capable of 100A or a bit less in practice. A series connection, otoh, is limited by the max current of the least current-capable device. A series connection of 100A devices will be capable of 100A irrespective of the number of devices.
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Old 25th April 2010, 10:52 AM   #6
Bonsai is online now Bonsai  Taiwan
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analog_SA - did you work in the SABC labs in the 80's?
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Old 25th April 2010, 12:22 PM   #7
djk is offline djk
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A Carver M1.5 can put out more than 600W/4R from (essentially) one pair of outputs.

That's 12.24A RMS from a device rated at 25A peak.

If you need to drive a speaker that has less than 4R impedance a different amplifier may be in order, say the M1.5L (designed for 2R loads).

If you need to drive your 0R25 ribbons, use a mono McIntosh MC2300.

In other words, buy an amplifier intended to drive your load.

I own some Crest CK series. In that series they make an 800W unit optimized for 70V lines (400W/12R), one for 8R/4R, and another for 4R/2R.
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