This is my preamp. I was very happy to get one. This was a projekt from GRUNDIG in the 80's. The preamp is handmade. There were only 1000 pices built. My amp has the series No. 170. This amp is totally neutral.
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They use special long life tubes with gold pins and FINE ART logo. The tubes are double triodes like ECC81. |
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This is a view of the ampifier output board. |
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I take no responsibility for the accuracy of
information in these pages, or consequences of doing something
stupid after reading these pages. (c) Ulrich Haumann, 1999 - 2010 |