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Old 16th April 2015, 05:36 AM   #6631
davorin is offline davorin  Croatia
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Sterei integrated amplifier with DH tube 809 in output stage, driver tube 6BW6 and 7543 input tube.
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File Type: jpg DSC_0294a.jpg (159.7 KB, 1581 views)
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Old 22nd April 2015, 02:12 PM   #6632
male42 is offline male42  Russian Federation
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Default RIAA preamp

RIAA preamp output transformer
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File Type: jpg CIMG0152.JPG (217.8 KB, 1306 views)
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Old 22nd April 2015, 06:52 PM   #6633
bonzo15011978 is offline bonzo15011978  Italy
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Quote:
Originally Posted by male42 View Post
RIAA preamp output transformer
Wow!
Would you mind sharing the scheme?
Thank you!
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Old 23rd April 2015, 05:53 AM   #6634
multi is offline multi  Australia
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Sterei integrated amplifier with DH tube 809 in output stage, driver tube 6BW6 and 7543 input tube
Looks great Davorin!!!!
Good to see a tubes other than EL84, 6v6.
I have PP 809's wonderful sounding amp.
Phil
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Old 25th April 2015, 01:26 PM   #6635
pamook is offline pamook  Croatia
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based on schematic made by Davorin, two monoblock PPP with four 6GF7A`s, 12-15W output ... just finished

smaller triodes are used for phase splitter and cathode follower driving bigger triodes in output... all in all, triodes... 16 of them
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File Type: jpg IMG_6878.JPG (143.3 KB, 1138 views)
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File Type: jpg IMG_6936.JPG (180.6 KB, 385 views)
File Type: jpg 150410-DSC_1274.JPG (108.8 KB, 344 views)
File Type: jpg 150324-DSC_1191.JPG (138.2 KB, 244 views)
File Type: jpg IMG_6633.JPG (176.5 KB, 292 views)
File Type: jpg IMG_6821.JPG (160.5 KB, 376 views)

Last edited by pamook; 25th April 2015 at 01:29 PM. Reason: typo :)
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Old 25th April 2015, 01:57 PM   #6636
DQ828 is offline DQ828  Australia
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Quote:
Originally Posted by pamook View Post
based on schematic made by Davorin, two monoblock PPP with four 6F7A`s, 12-15W output ... just finished

smaller triodes are used for phase splitter and cathode follower driving bigger triodes in output... all in all, triodes... 16 of them
Very nice well done
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Old 25th April 2015, 03:59 PM   #6637
dady is offline dady  Argentina
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Dobro
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Esteban Bikić
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Old 26th April 2015, 06:55 PM   #6638
hellotron is offline hellotron  Poland
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This my...
1) "Miniwatt" SE 2 x 5W na PCC85+PL508
2) "Miniwatt" PP 2 x 5W na PCL81
3) "Miniwatt" PP 2 x 6W na PCL86
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Old 30th April 2015, 04:31 PM   #6639
Koifarm is offline Koifarm  Netherlands
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Default 4 input remote control tube preamp.

Below some photo's of my preamp.

Hifi2000 case.
Remote alps volume and input control from Ebay.
6n16 tubebuffer from diyaudio.

Ronny
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Last edited by Koifarm; 30th April 2015 at 04:35 PM.
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Old 30th April 2015, 04:34 PM   #6640
Koifarm is offline Koifarm  Netherlands
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Second photo.
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