Search found 2 matches
Search found 2 matches • Page 1 of 1
- Fri Sep 04, 2015 12:06 pm
- Forum: Pro Audio Design
- Topic: Flat Phono Preamp Based on John's P10 and 2SK389
- Replies: 248
- Views: 290323
+1 on JR's calcs. I noticed that the Lundahl spec sheet for that states that the primary requires one side to be grounded. I wonder why? It doesn't show to have an electrostatic shield tied internally. I think the data sheet is written as such because most situations, as I best understand it, requi...
- Mon Jan 21, 2013 5:34 pm
- Forum: Build
- Topic: Mid Side M-S Matrix Construction Information
- Replies: 112
- Views: 225277
Here's my build with two of Sir Kirkwood's M/S boards, one for M/S, and the other as line receivers/drivers. The line receivers/drivers are on the right of the pic below. The switch on the right side is a DPDT with 2.21k across each of R4+5. When engaged, it gives an 8dB boost to channels 3+4. The M...