Hi Pete, If you are using the blue Array Solutions control box, it is my recollection that when you switch on the preamp, it also adds a BCB filter to the signal path. 73, Joel N9LQ
On Mon, Dec 12, 2022 at 9:11 AM Frank W3LPL <[email protected]> wrote: > Hi Pete, > > Any preamp that has loss definitely needs repair. Preamps are simple > devices that are easy to troubleshoot, the transistor is a likely > culprit > > 73 > Frank > W3LPL > > ----- Original Message ----- > From: "Pete N4ZR N4ZR" <[email protected]> > To: "topband" <[email protected]> > Sent: Monday, December 12, 2022 2:59:09 PM > Subject: Topband: Sanity Check on K9AY Loop Sensitivity > > I just deployed my K9AY loop (yes, I know I'm late). Anyhow, while it > shows substantial directivity on broadcast stations, I was surprise by > how much the K9AY loop's sensitivity suffers compared to my inverted L. > Listening to a broadcast station with the K9AY on 1500 KHz, the station > is S6-7 in the right direction and S3 in the reverse. and S9 +10 on the > inverted L. There's also something haywire in the K9AY's preamp, which > *reduces* signal by a couple of S-Units. Could be I need to replace the > transistor? > > -- > 73, Pete N4ZR > One of the RBN team > _________________ > Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > _________________ > Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
