Tube Amps / Music Electronics
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|previous: Dai Hirokawa The extra "D" indicates a low noise... -- 9/7/1999 1:02 PM|
|9/7/1999 5:13 PM|
|John Greene||Re: JRC4558DD = JRC4558?|
The second 'D' means that it has been selected to have a Max noise spec of 1.8uV. The standard JRC4558's don't have a MAX spec, just a 'TYP'.