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Old 12th September 2012, 02:16 PM   #1
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Default headphone amp for Senns HD600

I'm looking for a good sound & simple tube schematic to do an headphone amp for my Senns HD600, I would like to avoid output trasnformers also with not rare valves or very high voltage for B+, suggestions will welcome.

Last edited by merlin el mago; 12th September 2012 at 03:15 PM.
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Old 12th September 2012, 04:04 PM   #2
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Hi,
I built one after Andrea Ciuffoli schematic for my HD540.
It work very fine (very great dynamic) but pay attention with humm.
I recomend you to elevate the potential of upper tube heater.
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Old 12th September 2012, 04:08 PM   #3
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Wich is the impedance of your HD540?
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Old 12th September 2012, 04:09 PM   #4
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300 ohm headset you say?
simple tube circuit you say?
inexpensive tubes you say?
might be do able without OT's.

watching this thread.
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Old 12th September 2012, 04:11 PM   #5
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wich thread?
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Old 12th September 2012, 04:11 PM   #6
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Quote:
Originally Posted by merlin el mago View Post
wich thread?
this thread.
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Old 12th September 2012, 04:13 PM   #7
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OK you are looking for a tube headphone amp like my requeriments.
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Old 12th September 2012, 04:26 PM   #8
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600 Ohm.
using the indicated schematic you'll can fit with headphones between 600 and even 32 ohms by adjusting the negative feedback.
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Old 12th September 2012, 05:19 PM   #9
Koifarm is offline Koifarm  Netherlands
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Try the schematic below.

Click the image to open in full size.

6n6 version has about 200mW output power.

Or his little brother.

Click the image to open in full size.

6n16 version has about 30mW output power.
The photo's and PCB design are for the 6n16 version.

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

PCB film below,

http://www.ict-net.net/6n16hoofdpcb.pdf

Ronny

Last edited by Koifarm; 12th September 2012 at 05:32 PM.
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Old 12th September 2012, 05:23 PM   #10
adason is offline adason  United States
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Quote:
Originally Posted by merlin el mago View Post
I'm looking for a good sound & simple tube schematic to do an headphone amp for my Senns HD600, I would like to avoid output trasnformers also with not rare valves or very high voltage for B+, suggestions will welcome.
built this one and I love it...
Audio Pages: Headphone amplifier
An OTL Tube Headphone Amplifier | HeadWize
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