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Old 23rd May 2013, 07:13 PM   #981
merlin el mago is offline merlin el mago
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Thanks guys, I want to use it with Salas Itch tube phono MM togheter my Denon DL103R tuned so I will need bal/in unbal/out as the schematic and pics. I need to change the 1K input resistor?
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Old 23rd May 2013, 07:17 PM   #982
Joachim Gerhard is online now Joachim Gerhard  Germany
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You can. Do you want to go higher or lower ?
Lower is not a problem at all.
Higher then 5kOhm is not advisable with this circuit though.
This is because the "natural" input impedance of this circuit is not very high.
If you need more then 5kOhm you can try BC327-40, BC337-40.
I would then reduce the current in each transistor to under 5mA.
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Old 23rd May 2013, 07:18 PM   #983
Stefanoo is offline Stefanoo  Italy
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Quote:
Originally Posted by merlin el mago View Post
Thanks guys, I want to use it with Salas Itch tube phono MM togheter my Denon DL103R tuned so I will need bal/in unbal/out as the schematic and pics. I need to change the 1K input resistor?
yes, you will need 200ohm per side to maximaze interface with your Denon.
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Old 23rd May 2013, 07:22 PM   #984
merlin el mago is offline merlin el mago
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Grazie mille Stefano / thank you Joachim

Felipe
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Old 23rd May 2013, 07:22 PM   #985
Stefanoo is offline Stefanoo  Italy
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Quote:
Originally Posted by merlin el mago View Post
Grazie mille / thank you

Felipe
Prego!
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Old 23rd May 2013, 07:30 PM   #986
merlin el mago is offline merlin el mago
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Do you know if I have to buy a big quantity to match the transistors or with 20 or 30 pcs of each I will have enough?
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Old 23rd May 2013, 07:39 PM   #987
Joachim Gerhard is online now Joachim Gerhard  Germany
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They are cheep and because thy are made since many years they do not go astray much.
I even could send you some. When i knock on heavens door do you let me in because i am such a good guy ?
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Old 23rd May 2013, 07:48 PM   #988
merlin el mago is offline merlin el mago
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Thanks Joachim, I accept your offer, YHPM. I don't know if I can open the heavens door but for sure I can open my house door for you.

Last edited by merlin el mago; 23rd May 2013 at 07:50 PM.
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Old 23rd May 2013, 08:17 PM   #989
Joachim Gerhard is online now Joachim Gerhard  Germany
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Heaven is a place on earth....
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Old 23rd May 2013, 08:23 PM   #990
Joachim Gerhard is online now Joachim Gerhard  Germany
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