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  1. It's OK. Just remember that a 6550 is a 6550 is a...

    It's OK. Just remember that a 6550 is a 6550 is a 6550 is a 6550. Same for a KT88 or any other type.

    On the data sheet Bias is not a spec, it's a reference. These are "typical operating...
  2. The rest...

    Continued from previous post...

    Pic 5:
    Scope view of above. Again almost perfect sine waveform and channel uniformity.
    ...
  3. A walk through the Two/Ninety/Two test procedure...

    Maybe I'm being paranoid or have some driving need to document this, but for those who have the ability to absorb the following, this is a new 2902 from a current production run going through QC....
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    No need to worry about the suffix letters. It's...

    No need to worry about the suffix letters. It's the prefix letters you need to pay attention to. F is fast acting. T is time delay. The pre board fuse should be T2. T1.5 could blow too easily. F2...
  5. No. He's talking about the power supply voltage...

    No. He's talking about the power supply voltage reading in standby mode, which is entirely irrelevant. That tells you what the power supply looks like with no load connected. In Operate mode it's 650...
  6. Sorry to see you go, Clay. My previous post...

    Sorry to see you go, Clay.

    My previous post on this thread is as accurate, detailed and true as I can possibly make it. I haven't been here in a while and I don't see the point of calling you to...
  7. Hi Clay, Sorry for the silence. We have been...

    Hi Clay,

    Sorry for the silence. We have been very busy and I know that's not justification for not answering, but honestly I do know about this.

    And I really believe that there is nothing wrong...
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    Wow! Nice pics guys!

    Wow! Nice pics guys!
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    1) rejecting unwanted noise i.e. wire shielding...

    1) rejecting unwanted noise i.e. wire shielding intercepting radio frequencies and shunting them out of the primary signal flow.

    > When we use the shield as both a screen and a circuit return...
  10. Address is good. I'll send you the vector file by...

    Address is good. I'll send you the vector file by email.

    Cheers,

    smf
  11. Pete Seeger, the victim and the perpetrator...

    I love your writing, and thanks for the shout out. I don't know if it's guts or just blind determination in spite of perceived unreasonable resistance - emphasis on "spite" perhaps...

    I saw that...
  12. I've actually used all of our power amps in my...

    I've actually used all of our power amps in my home stereo at one time or another, and compared them to good quality solid state power amps (Pioneer, Yamaha, BGW, Crown), and tube power amps (Dynaco,...
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    Website hosting update

    Well, it has been confirmed that the domain hosting services server was down. It's back up now, but www.fryette.com will go offline again temporarily as the new hosting servce transfer takes place.
    ...
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    Looks like our webhosting service is on the...

    Looks like our webhosting service is on the blink.

    If it's temporary, our site should be back up shortly. If not, we'll be looking for a new home. Either way, we'll be moving it anyway since such...
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    Tubes are really not that complicated. Shuguang...

    Tubes are really not that complicated. Shuguang is the only Chinese manufacturer of tubes. All of the various labels applied to them are just there to get you to buy them under X brand so they can...
  16. Thread: Helmet Live

    by sfryette
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    Thanks Dan. That was an awesome post. I didn't...

    Thanks Dan. That was an awesome post. I didn't even know that existed, which is surprising since Helmet mgt usually notifies us of everything...

    But I have to say, it's a great example of the...
  17. Wow, what a difference! I know it's a bitch to...

    Wow, what a difference!

    I know it's a bitch to deal with this stuff, but the alternative is making things difficult for new members to join. Other larger forums have full time mods and probably...
  18. What I was referring to was the construction of...

    What I was referring to was the construction of the speaker itself. Taking a 16 ohm vintage 30 for example, if you simply decrease the speaker voice coil turns to make it an 8 ohm speaker, the...
  19. Hey Cam, yes a dedicated headphone out has been...

    Hey Cam, yes a dedicated headphone out has been added - post cab emulation :)
  20. The long road is getting shorter by the hour...

    Thanks, Nick, for the explanation, advice and support.

    The great thing is that this project had built in energy before we even started it. Now it's not only building its own momentum, it's turning...
  21. This monkey's gone to heaven...

    Just had to say I enjoyed seeing the "views" count at 666 just now :)
  22. Hmmmm.... You realize you just made the...

    Hmmmm....

    You realize you just made the transition from "if" to "when" right?
  23. Almost to 50%

    One more to go to get to the halfway mark. Who wants to be the one to push us into the home stretch? :)
    ...
  24. Thanks. I have to say this is exceeding my...

    Thanks. I have to say this is exceeding my expectations in every way.

    BTW, we're 3 pledges away from 50%.
    ...
  25. You wanted to hear direct clips...

    ...I wanted you to hear direct clips right next to mic'd cab clips. I've got nothin else to say...just smilin, that's all :)

    https://www.youtube.com/watch?v=vpE3-3SGqP4
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