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Class D Switching Power Amplifiers and Power D/A conversion

Anyone heard of Jam-Tech True Fidelity Amplifier?
Anyone heard of Jam-Tech True Fidelity Amplifier?
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Old 16th November 2005, 02:56 PM   #1
tschanrm is offline tschanrm  United States
diyAudio Member
Join Date: Nov 2004
Location: Wisconsin
Default Anyone heard of Jam-Tech True Fidelity Amplifier?

I stumbled across this website reading Audiocircle. It is a company called Jam-Tech, who created low power open loop Class D amplifiers.


Their specs are nothing special, but there was a triangle wave test done at 22hz which says:

To see the actual dynamic range, try a simple linearity test. To confirm an amplifier's true dynamic range, try feeding the device a low frequency, low amplitude triangle waveform. This is an excellent indicator of amplfier response, as well as offset. Center the signal on "zero" and watch the fun!
I haven't seen any other manufacturer perform a triangle wave test for linearity. Does this test prove anything, and what is it's real relevance?
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Old 17th November 2005, 01:10 PM   #2
eVITAERC is offline eVITAERC  Canada
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Join Date: Aug 2005
It doesn't really prove anythign except the fact that the Jam-Tech is good at making saw-tooth waves
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