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Old 7th May 2020, 07:41 AM   #111
finwbu is offline finwbu  Finland
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MAT02, 03 Elektor preamp schematic
Default Elektor preamp SSM2220 & SSM2210


For sales SSM2220 & SSM2210 (DIP-8) they fit for the PCB above and they are the best available replacement for MAT02 & MAT03 Dual Transistors.
I bought the PMI in 1991 from Spoerle Electronic a German distributor se at the DATA Code.If you buy more than 12 pair I will not charge 4% PayPal fee. Sales only NPN & PNP pairs. I ask for 3,50/piece plus shipping from Finland + 4% PayPal fees. Contact me if you are interested.

bR Walter
Attached Images
File Type: jpg PMI 2210_2220 (2).jpg (466.1 KB, 602 views)
File Type: jpg PMI 2210_2220 (3).jpg (351.6 KB, 582 views)
File Type: jpg PMI 2210_2220 (4).jpg (405.6 KB, 562 views)
File Type: jpg PMI 2210_2220 (1).jpg (192.7 KB, 583 views)
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Old 10th May 2020, 08:00 PM   #112
Hicoco is offline Hicoco  France
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MAT02, 03 Elektor preamp schematic
Finwbu you have PM
Every DIYer need Balanced-Unbalanced Audio Input Selector Module
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Old 30th May 2020, 04:57 PM   #113
acidbrain is offline acidbrain  Netherlands
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I received the SSM2220 & SSM2210 couples in good condition, Walter. The SSM2220 are installed in my Hiraga MC preamp. Thanks!
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Old 7th June 2020, 08:39 AM   #114
SSDIY is offline SSDIY  Hong Kong
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Based on the schematic of post # 6, I finished the PCB layout as attached
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Old 6th August 2020, 12:51 PM   #115
alpickyuk is offline alpickyuk
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Default Elektor top of the range phono stage

Hi I built the elektor top of the range preamp for a friend back in 1988 and have since inheritied it. Its a great build if I say so myself except that I was always suspicious that the phono section gain is too high even when adjusted via the sil switches. Its tight but distorts on vinyl material with a lot of content. I can post a copy of the phono stage which used a MAT02-h differential stage coupled to a an OP07 opamp gain and RIAA stage. Can anyone help or has anyone ever encountered this same problem? Do I simply reduce the value of the opamp feedback resistor and alter the emitter current of the Mat02-h input stage? It was originally designed primarily as a high quality moving coil stage but could also be used with mm with only one MAT02-h array which is what I have.Thanks in anticipation. I have all three copied of the magazine article which were kindly sent to me by Elektor. Normally you would have to subscribe. So just a tip if anyone is in the same boat without a diagram.
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Old 30th June 2021, 06:30 PM   #116
perys is offline perys  Czech Republic
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try LM394H instead MAT02
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