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Silicon Chip ULD Mk3 amp - 0.0006% distortion
Silicon Chip ULD Mk3 amp - 0.0006% distortion
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Old 16th October 2013, 03:49 PM   #51
AndrewT is offline AndrewT  Scotland
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Buy the magazine.
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Old 27th November 2016, 06:13 AM   #52
maiko is offline maiko  Finland
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Schematics of Ultra-LD MK.3 from siliconchip's own web page.
http://archive.siliconchip.com.au/st...12517_10lo.jpg

Will just paste in the following lists of silicons "as is" from a video relating to MK.IV upgrade, please check if they are suitable.. 2SA970/BC550/BC560, 2SC4793/2SA1847, 2SC2344/2SA1011, Sanken SC3264/2SA1295
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Old 12th January 2019, 12:47 AM   #53
M1K35R is offline M1K35R  United States
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Could someone, anyone, please tell me what they are using for DQ12-DQ15? ULTRA-LD MK.3
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Old 12th January 2019, 01:37 AM   #54
moschfet is offline moschfet  Germany
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DQ12-DQ15 are part (build in) of the power-transistors Q12-Q15
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Old 12th January 2019, 01:55 AM   #55
M1K35R is offline M1K35R  United States
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I wonder if a regular bipolar could be used substituting like a 1N4148 or 1N400X diode in place of the 'all in one package' shown?
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Old 13th January 2019, 12:21 AM   #56
sgrossklass is offline sgrossklass  Germany
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UF4004 or some sort of diode-connected transistor would be more like it... but how are you going to get these into the transistor package? That was the main selling point for these ThermalTrak devices. I guess you could get reasonably close if your finals have a case style with a tab to attach to, it probably still is going to be slower though.
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