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"Sanctum" - simple tube headphone amp
"Sanctum" - simple tube headphone amp
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Old 9th November 2017, 02:00 AM   #11
xrk971 is online now xrk971  United States
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"Sanctum" - simple tube headphone amp
Nice! What's the lowest impedance phones that you can drive directly and what is max voltage swingn the headphone output, say, into 250ohms?
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Old 9th November 2017, 02:31 AM   #12
mhouston is offline mhouston  Australia
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I haven't CROed the amp yet. But into either 250ohm or 32ohm phones it goes louder than is comfortable for me.
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Old 9th November 2017, 09:19 AM   #13
gideon1990 is offline gideon1990  Netherlands
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nice, I have all the parts laying around except for a suitable tranny
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Old 9th November 2017, 11:08 AM   #14
mhouston is offline mhouston  Australia
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Quote:
Originally Posted by gideon1990 View Post
nice, I have all the parts laying around except for a suitable tranny
Yes most of the time it is the tranny for me too.
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Old 9th November 2017, 12:10 PM   #15
gideon1990 is offline gideon1990  Netherlands
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did you use a random transformer or did you buy a specific one?
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Old 9th November 2017, 10:26 PM   #16
mhouston is offline mhouston  Australia
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Bought a specific one based on a previous build. I new how much voltage and current was required. Though in the previous build I use a much bigger one and tube rec. in this case I'm asking more of the filament windings than specified.
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