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Pass-type headphone amp?
Pass-type headphone amp?
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Old 16th July 2012, 05:05 AM   #1
Dr.H is offline Dr.H
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Default Pass-type headphone amp?

Has a schematic/plans for a Nelson Pass inspired DIY headphone amp been published?
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Old 16th July 2012, 12:44 PM   #2
HIPCHECK is offline HIPCHECK  United States
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search this forum please, you will find MANY answers.
If a inch of duct tape will fix it, 3 feet should fix it for life!!!!
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Old 16th July 2012, 12:48 PM   #3
Zen Mod is offline Zen Mod  Serbia
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Pass-type headphone amp?
recently made F4 like , with xformer input
also , you'll find Aleph Mini on 6moons , as can amp
also - EUVL's DAO follower , even if not Pass's , approach is the same
my Papa is smarter than your Nelson !
clean thread; Cook Book;PSM LS Cook Book;Baby DiyA ;Mighty ZM's Bloggg;Papatreasure;Papa...© by Mighty ZM
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Old 16th July 2012, 01:50 PM   #4
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Old 16th July 2012, 01:56 PM   #5
stefanobilliani is offline stefanobilliani  Italy
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Tortello's zen HP amp .
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Old 16th July 2012, 02:19 PM   #6
tiefbassuebertr is offline tiefbassuebertr  Germany
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The "ZEN" topology will enable very easy the adjust of the wanted idle current by variation from only one resistor in the associated CCS. According your headphone impedance (mostly above 8 ohms) you must choice the right value.
By the image from URL
it is R1

Last edited by tiefbassuebertr; 16th July 2012 at 02:21 PM.
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Old 16th July 2012, 05:48 PM   #7
Itsmee is offline Itsmee  England
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Originally Posted by tiefbassuebertr View Post
it is R1
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