Killing HLLY TAMP 20

alcostanzo · 17th September 2010, 03:33 PM

Quick question:

I just bought a HLLY TAMP 20. Does anyone know if I will kill it with a with a 5 AMP 15V laptop power supply? I have a universal one with adjustable voltage (only as low as 15V) that I would like to use as long as I can do so safely.

Thanks!

HLLY TAMP-20 Class T AMP AMPLIFIER Tripath TA2020 chip - eBay (item 250537589317 end time Sep-21-10 21:30:09 PDT)

jrcanoe · 17th September 2010, 05:15 PM

13.5 is as High as I would go. You could use a resister to drop the voltage of your supply; But I would just spend the 10$ and get a 12v 6A supply off eBay. I have been happy with the 4or5 I own. I prefer the two wire with out ground.
eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices

alcostanzo · 17th September 2010, 06:59 PM

I appreciate your reply and the link you sent. Money isn't an issue, but I was under the impression that running the amplifier at only 12V was handicapping the output. Is this not the case? Is there a formula that calculate the output for a given voltage?

Thanks!

jrcanoe · 19th September 2010, 12:18 PM

I run on batteries quite frequently and can hear no difference from fully charged to just before the amp goes choppy from low voltage.
I tend to run almost anything at half capability. If the 2020 doesn't cut it at 12v I would move up to a 2050.

17th September 2010, 03:33 PM	#1
alcostanzo diyAudio Member Join Date: Oct 2005	Killing HLLY TAMP 20 Quick question: I just bought a HLLY TAMP 20. Does anyone know if I will kill it with a with a 5 AMP 15V laptop power supply? I have a universal one with adjustable voltage (only as low as 15V) that I would like to use as long as I can do so safely. Thanks! HLLY TAMP-20 Class T AMP AMPLIFIER Tripath TA2020 chip - eBay (item 250537589317 end time Sep-21-10 21:30:09 PDT)

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17th September 2010, 05:15 PM	#2
jrcanoe diyAudio Member Join Date: Jan 2010	13.5 is as High as I would go. You could use a resister to drop the voltage of your supply; But I would just spend the 10$ and get a 12v 6A supply off eBay. I have been happy with the 4or5 I own. I prefer the two wire with out ground. eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices

17th September 2010, 06:59 PM	#3
alcostanzo diyAudio Member Join Date: Oct 2005	I appreciate your reply and the link you sent. Money isn't an issue, but I was under the impression that running the amplifier at only 12V was handicapping the output. Is this not the case? Is there a formula that calculate the output for a given voltage? Thanks!

19th September 2010, 12:18 PM	#4
jrcanoe diyAudio Member Join Date: Jan 2010	I run on batteries quite frequently and can hear no difference from fully charged to just before the amp goes choppy from low voltage. I tend to run almost anything at half capability. If the 2020 doesn't cut it at 12v I would move up to a 2050.

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