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OTL amp for headphones, good idea ?
OTL amp for headphones, good idea ?
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Old 25th March 2020, 08:03 PM   #1
diyiggy is offline diyiggy
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Default OTL amp for headphones, good idea ?

Hi,


not the moment to ask postmen to carry such things, but I liked the idea?


Drop: Passions lead here (formerly Massdrop)



Is it a good idea to putt an OTL between a DAC and headphones (big ones) please ?


Thank you
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Old 26th March 2020, 03:41 AM   #2
thuanth43 is offline thuanth43  Viet Nam
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Depending on your headphones' impedance. These Darkvoice amps are great match for Sennheiser HDxxx series. Should be good for 150-ohm too. Other than that, not so good.
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Old 26th March 2020, 10:09 AM   #3
knauf1919 is offline knauf1919  Romania
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''SPECS
DarkVoice
Tubes: 6N8P and 6N5P
Impedance: 32 ~ 600 Ohms''

This is the best joke about an OTL.
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Old 26th March 2020, 12:59 PM   #4
diyiggy is offline diyiggy
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Thanks guys,


Best to avoid OTLs so ? Or are there ok for very low impedance as the big ESL loudspeakers, i.e. not suited for the high impedances seen with headphones?


I read the new oaps (TI 16xx family) you can see everywhere in headphones amp are very good and noiseless but unatural ?


In theory diamond like solid states schems or OTL, so w/o outputt trafo or dc blocking caps sounds good to me but I really don't know in real life if good and-or risky for headphones ?


Too much hum for a big magnetic planar headphones ? Saw ESLs Staks still use tubes in their best amp and so did Fostex with its flagship headphones amp - while much more complicated that the little Drop's amp
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Old 26th March 2020, 04:43 PM   #5
adason is offline adason  United States
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headphones and otl amp is a great idea, but one needs to know what one is doing
Audio Design Guide
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Old 26th March 2020, 04:51 PM   #6
diyiggy is offline diyiggy
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Thank you Adason,



new subject for me...
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Old 26th March 2020, 05:13 PM   #7
adason is offline adason  United States
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otl headphone amplifier - Google Search
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Old 26th March 2020, 05:14 PM   #8
adason is offline adason  United States
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Top-Level OTL Tube Headphone Amplifier. – HeadWize Memorial
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Old 26th March 2020, 05:38 PM   #9
diyiggy is offline diyiggy
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Thank you,



a long time I didn't go to Andrea's pages, never noticed before about otl headphones amp... my next read.
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