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Noir, a two transistor headphone amp: class-A, single ended, 150mA bias
Noir, a two transistor headphone amp: class-A, single ended, 150mA bias
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Old 13th July 2020, 09:25 PM   #201
thomasnadeau is offline thomasnadeau
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I wanted one that would compliment the black chassis. If anyone is interested, these are Taiss / 2Pcs 25 mmx15 mm 6.4mm / 0.25" Black Aluminum Rotary Electronic Control Potentiometer Knobs. I got them at amzn.
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Old 14th July 2020, 11:11 AM   #202
batty is offline batty  Australia
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Noir is the pre driving my M2x atm.
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I have gone from 85 watts class AB amplification to an ACA.Gone on to the M2X.
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Old 1st August 2020, 02:58 PM   #203
ffarges is online now ffarges  Germany
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Noir, a two transistor headphone amp: class-A, single ended, 150mA bias
Hi all,

I'm starting to build it up and I receive most of parts. Quick on on C27 and 1U. Which one do you recommend? I usually put WIMA but they seem too big.
I'm going for this one at Digikey (BFC247076105) spacing is good.
Any other recommendation?

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Last edited by ffarges; 1st August 2020 at 03:02 PM. Reason: add image
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Old 1st August 2020, 03:19 PM   #204
Mark Johnson is online now Mark Johnson  United States
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Noir, a two transistor headphone amp: class-A, single ended, 150mA bias
The TDK-EPCOS 1uF film caps mentioned in the BOM, Mouser P/N 871-B32529C105J , appear to be backordered at Mouser.

However the same capacitor is in stock and on the shelf, if you're willing to buy it in "Ammo Pack" rather than "Bulk". Which I am. Mouser P/N 871-B32529C105J289

Those who want a really cool-looking capacitor with a green case, manufactured using the acclaimed-by-audiophiles Polypropylene dielectric, can consider Mouser P/N 80-F461BS105M250A

WARNING: measure the available space on the PCB and double check it against the capacitor's datasheet, before ordering. Don't buy one that won't fit!

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Last edited by Mark Johnson; 1st August 2020 at 03:23 PM. Reason: add photo
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Old 1st August 2020, 03:36 PM   #205
ffarges is online now ffarges  Germany
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Noir, a two transistor headphone amp: class-A, single ended, 150mA bias
Excellent! Thanks Mark!
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