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30th March 2012, 05:15 AM
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#11 |
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diyAudio Member
Join Date: Sep 2011
Location: El Triunfo
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Hi
Here are the photos the piezo-pickups CS-29, and photos turntables Ziphona MA=224. Which schematic is required to exit? Why Mr.ThorstenL turntables Ziphona MA-224 with this we need the RIAA preamplifier than usual amplifier with gain of Av= (8 .. 10)dB and the input impedance of 1Mohm? Thank you and cheers! Last edited by formula 22; 30th March 2012 at 05:24 AM. |
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30th March 2012, 05:25 AM
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#12 | |
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Previously: Kuei Yang Wang
Join Date: Nov 2002
Location: Somewhere nice on planet earth where censorship of Ideas is frowned upon
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Hi,
Quote:
Radio's, Amplifiers etc. all had inputs labelled "TA" for ceramic inputs that where 1MOhm, minimum capacitance. The three resistor attenuators I do not know if they work well or not. But as you already have build a MM Riaa Pre, trying them would be easy. If it is still is not good, use the 1M input impedance buffer... Ciao T |
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30th March 2012, 06:07 AM
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#13 |
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diyAudio Member
Join Date: Sep 2011
Location: El Triunfo
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Preamplifier with Ziphona MA 224
Hi
Is this schematics can be used as a preamplifier for Ziphona MA 224? Or they need some changes?   thank you! |
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30th March 2012, 06:41 AM
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#14 | |
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Previously: Kuei Yang Wang
Join Date: Nov 2002
Location: Somewhere nice on planet earth where censorship of Ideas is frowned upon
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Hi,
Quote:
I have given all the information in previous posts. If you use on line translation and you do not understand, please seek help from someone who speaks good enough english. Ciao T |
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5th April 2012, 05:33 AM
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#15 |
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diyAudio Member
Join Date: Sep 2011
Location: El Triunfo
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Preamplifier for Ziphona MA 224 (CS-29)
Hi all!
 I made this schematic saves preamp for piezo pickup CS-29 (Ziphona MA 224) and now everything is OK!  Excellent turntable to an amplifier can be heard now and enjoy music Dire Streits!   Cheers! 
Last edited by formula 22; 5th April 2012 at 05:38 AM. |
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7th April 2012, 05:11 AM
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#16 | |
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Previously: Kuei Yang Wang
Join Date: Nov 2002
Location: Somewhere nice on planet earth where censorship of Ideas is frowned upon
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Hi,
Quote:
Ciao T |
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21st April 2012, 05:02 AM
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#17 |
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diyAudio Member
Join Date: Sep 2011
Location: El Triunfo
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Circuit for buffer for ceramic pickup
Hi all!
I want to can this ceramic pickup I create a buffer with mosfet BS170 or similar with the input resistance of 1Mohm that I see with this buffer to turntable sounds? Power supply to be Ucc = 9...12V So please give a proposals circuit (schematic). thank you! Last edited by formula 22; 21st April 2012 at 05:05 AM. |
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