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Anyone know what these were?
Anyone know what these were?
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Old 22nd February 2005, 06:00 PM   #1
K-amps is offline K-amps  United States
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Default Anyone know what these were?

Massive windtunnels with 16 TO-3's, look like from the 60's. Anyone know what they were?
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Old 22nd February 2005, 06:03 PM   #2
K-amps is offline K-amps  United States
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Default More pics

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Old 22nd February 2005, 06:57 PM   #3
Giaime is offline Giaime  Italy
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Are you sure it's for audio? to me it seems more like a light dimmer or some kind of power supply regulator...

Or a massive PA amp? Has it any connectors?
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Old 22nd February 2005, 07:14 PM   #4
Upupa Epops is offline Upupa Epops  Czech Republic
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Let it be or you get scabies .
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Old 22nd February 2005, 07:30 PM   #5
BrianDonegan is offline BrianDonegan  United States
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flux capacitor. definitely.
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Old 22nd February 2005, 07:36 PM   #6
udip is offline udip
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Quote:
Originally posted by WorkingAtHome
flux capacitor. definitely.
You mean like the one in "back to the future"...
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Old 22nd February 2005, 07:40 PM   #7
jacco vermeulen is offline jacco vermeulen  Netherlands
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Part of a motor speed controller, old news.
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Old 22nd February 2005, 07:47 PM   #8
acenovelty is offline acenovelty  United States
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Doc Brown's prototype flux capacitor. definitely.
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Old 22nd February 2005, 08:10 PM   #9
jacco vermeulen is offline jacco vermeulen  Netherlands
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If that came out of a De Lorean, no wonder the company director made a career move !
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Old 22nd February 2005, 08:19 PM   #10
K-amps is offline K-amps  United States
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Quote:
Originally posted by Giaime
Are you sure it's for audio? to me it seems more like a light dimmer or some kind of power supply regulator...

Or a massive PA amp? Has it any connectors?

No idea what it ws used for, got it from eBay for use on a massive amp. Right now these might go into a Krell KSA-50 clone.

Any ideas what the Thermal rating on these would be, I'd guess they can dissipate between 0.5kW to 1kW with a good fan.

They are a good 15lbs each or so. The connectors are on top via terminal strip. 2 large resistors mounted on the convection area. The metal cans are RCA types, all 4 quadrants are electrically Isolated. I am guessing one of these is good for a 150watt Class-A or 500 wpc class-AB amplifier.

And ofcourse could use some dipping into an industrial strength cleaner... they were probably stored for over 30 years without use.

K-
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