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4th July 2011, 05:04 AM
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#1 |
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diyAudio Member
Join Date: Oct 2009
Location: Bitola MACEDONIA
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ECC82 JJ Made in Slovak Republic!?
Hello,
Is anyone has experience with this Tube ECC82 JJ Made in Slovak Republic. What characteristics have since I want to create an preamplifier with it? thanks Last edited by radio; 4th July 2011 at 05:06 AM. |
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4th July 2011, 09:04 PM
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#2 | |
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diyAudio Member
Join Date: Nov 2007
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Quote:
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5th July 2011, 05:18 AM
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#4 | |
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diyAudio Member
Join Date: Feb 2010
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Quote:
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5th July 2011, 06:07 AM
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#5 | |
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diyAudio Member
Join Date: Oct 2009
Location: Bitola MACEDONIA
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Quote:
If is yes, please tell your schematic (circuit)! thanks |
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5th July 2011, 08:03 AM
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#6 | |
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diyAudio Member
Join Date: Feb 2010
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Quote:
A good pre amplifier is a question of good design more than what type of tube is used. Tell us first what is your specification for the pre amplifier. (input level, gain, output impedance required, max. distortion at nominal output level etc.) |
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5th July 2011, 08:19 AM
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#7 | |
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diyAudio Member
Join Date: Jan 2010
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Quote:
I have these tubes .. used it with a chinese clone of grounded Grid for about a year. I preferred the Shugangs over these, then the Mullards despite their darkish sound for the imaging focus. They are a bit bloomy and not ultra low noise I think, but it may sound different in a different circuit. The shugangs are quieter. I can't hear if they are less linear than a 6DJ8 or other tubes like maybe 6SN7 rated highly for preamps, but I strongly suspected they are not going by the sound signatures I got with various tubes including Telefunkens, BEL, FunkWerks amongst others. Last edited by Gobble; 5th July 2011 at 08:24 AM. |
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5th July 2011, 11:21 AM
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#9 | |
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diyAudio Member
Join Date: Oct 2009
Location: Bitola MACEDONIA
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Quote:
CD or Tuner input (input resistance 22 ... 47k) specified in Article impedance around 200 ... 600 om - in audio amplifier with the input resistance of P1 = 22 ... 47k. Valv/Tube in the preamplifier circuit according to your choice? To give the real sound of Tube (Steam dominant harmonic second-largest harmnik?)   Thank you in advance Last edited by radio; 5th July 2011 at 11:24 AM. |
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