Re: [Drakelist] T-4X Audio Question

2010-02-28 Thread Jim Shorney
On Sun, 28 Feb 2010 22:32:24 -0500, Gary Poland wrote: > Got have that mic preamp for more " swing ". Nothing like saturating a 16 > pill solid state amp and having a little negative modulation to be loud and > proud !!! HI HI. Strong, the power of the dark side is -- Ham Radio NU0C L

Re: [Drakelist] T-4X Audio Question

2010-02-28 Thread Steve Berg
I have a fair number of D104 microphones. Most have the preamp, but for my older tube state rigs, I have two without the amp. I have a very deep bass voice, and the amplified D104 mics do a great job so long as I follow Garey's advice and keep the gain in the microphone down to a pretty low l

Re: [Drakelist] T-4X Audio Question

2010-02-28 Thread Gary Poland
Garey, Got have that mic preamp for more " swing ". Nothing like saturating a 16 pill solid state amp and having a little negative modulation to be loud and proud !!! HI HI. 73, Gary___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zer

Re: [Drakelist] T-4X Audio Question

2010-02-28 Thread Garey Barrell
Richard Knoppow wrote: Jim's on the right track. I'd check the Carrier Oscillator as described in the manual in Section VIII, Para. B, 1-4. It should require very little adjustment, unless someone has been "fixing" it! Then go back to Section IV, Para. C to rebalance the Carrier Oscillat

Re: [Drakelist] T-4X Audio Question

2010-02-28 Thread Gary Poland
Check the opposite sideband. If its not the carrier oscillator it could be a bad sideband filter ... it happens. 73, Gary W8PU http://home.roadrunner.com/~w8pu ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/list

Re: [Drakelist] T-4X Audio Question

2010-02-28 Thread Garey Barrell
Curt - Jim's on the right track. I'd check the Carrier Oscillator as described in the manual in Section VIII, Para. B, 1-4. It should require very little adjustment, unless someone has been "fixing" it! Then go back to Section IV, Para. C to rebalance the Carrier Oscillator. The amplified

Re: [Drakelist] T-4X Audio Question

2010-02-28 Thread Jim Shorney
On Sun, 28 Feb 2010 22:32:56 +0200, geoffrey mendelson wrote: > From what I understand (Garey help!!) the impedance of the D-104 is a >good match to the impedance of any of the Drake tube gear and no >amplifer is needed. The amplifer was designed as an impedance matching >device, not a gain

Re: [Drakelist] T-4X Audio Question

2010-02-28 Thread Richard Palmer
Geoffry is correct. Your Drake needs a high impedance mic to get "that Drake sound". Hulett, Russell wrote: Trying out my T-4X on SSB, using an old D-104 microphone with T-UG8 stand. Comments were audio was ok but sounded like I was "in a tunnel". Another mentioned that the audio was higher

Re: [Drakelist] T-4X Audio Question

2010-02-28 Thread geoffrey mendelson
On Feb 28, 2010, at 10:13 PM, Hulett, Russell wrote: Trying out my T-4X on SSB, using an old D-104 microphone with T-UG8 stand. Comments were audio was ok but sounded like I was "in a tunnel". Another mentioned that the audio was higher pitched than my other rigs. My T-4XB never received

[Drakelist] T-4X Audio Question

2010-02-28 Thread Hulett, Russell
Trying out my T-4X on SSB, using an old D-104 microphone with T-UG8 stand. Comments were audio was ok but sounded like I was "in a tunnel". Another mentioned that the audio was higher pitched than my other rigs. My T-4XB never received any similar reports, though the microphone used with that