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Old 26th November 2011, 06:44 AM   #3171
jan.didden is offline jan.didden  Europe
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Location: The great city of Turnhout, BE
Joachim, we are dearly missing you at ETF!
Had the turntable shoot-out yesterday.
As always, great equipment, great people, great presentations.
Rumour has it that it will be in Germany next year.

jan didden
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Old 26th November 2011, 10:08 PM   #3172
jan.didden is offline jan.didden  Europe
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Frank Schroeder won the turntable shootout. And yes, Berlin is confirmed.

jan
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Old 26th November 2011, 10:15 PM   #3173
Joachim Gerhard is offline Joachim Gerhard  Germany
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Did he have the new tangential arm ?
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Old 26th November 2011, 10:18 PM   #3174
tabams is offline tabams  Netherlands
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Default Graphic EQ

Quote:
Originally Posted by Joachim Gerhard View Post

Joachim,
Very interesting and useful links you gave me (us), thanks
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Old 26th November 2011, 10:22 PM   #3175
Joachim Gerhard is offline Joachim Gerhard  Germany
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Yes, that equalizer will work with some modifications. Just shift the midrange EQ to 3kHz,
the bass EQ a little deeper and the treble EQ up to over 10kHz. As far as i can tell you should only change the values of the caps. So in the midrange you should use 1/3rd of the value that is given for example. Just put this circuit behind my input stage. You can take even out the inverter but then you have to revers your speakers.
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Old 26th November 2011, 10:26 PM   #3176
Joachim Gerhard is offline Joachim Gerhard  Germany
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This is the circuit and the formulas :
Attached Images
File Type: png 3 Band EQ.png (105.2 KB, 308 views)
File Type: png 3 band EQ formular.png (178.3 KB, 298 views)
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Old 26th November 2011, 10:35 PM   #3177
Joachim Gerhard is offline Joachim Gerhard  Germany
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So :
2 x C3 = 0.1uF
1/3 C4 = 1.66nF
1/3 C5 = 7.33nF
1/2 C6 = 2.5nF
i think the exact values are not critical.
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Old 26th November 2011, 10:54 PM   #3178
hesener is offline hesener  Germany
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yes, it was a quasi-tangential arm and it was great! mood was great too, except my own little frustration, having fried the motor of the EMT928 i wanted to participate with in the shootout, so i arrived without it and without the starless (because i tried to fix the table), but its almost done. more later.....
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Old 26th November 2011, 11:06 PM   #3179
Joachim Gerhard is offline Joachim Gerhard  Germany
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I am very curious how the Starless sounds against the FPS. The circuits could not be different. Yes, Frank is the champion. He comes up with miraculous things. I am very happy that there is such life in vinyl. For tomorrow i plan a listening session with the Tanzmusik. The EQ has already proven to be a good thing. It is amazing how different records can sound when you make small changes to the frequency response. I used a Cello Palette for some time so i know what can be pushed out of unassuming recordings.
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Old 26th November 2011, 11:12 PM   #3180
Joachim Gerhard is offline Joachim Gerhard  Germany
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In the active 3 way Baxandall resistors R1, R2 are much too high for my taste. They add a lot of noise. I think 10k is better.
When you do not change component values of the EQ stage you can mimic RIAA by fully advancing the bass EQ and fully pushing down the treble EQ, mid EQ in middle position.
A simple linear low noise amp in front of it would give you much of what the Tanzmusik can do. The first inverter stage could be redesigned as a Phono Clone and then you are done. A variable RIAA phono stage.
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