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  #31  
Old 01-30-2022, 11:56 AM
M Sarad M Sarad is offline
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Plug it in. Turn it on. Set up the pedal board. Tune the guitar.
Amp ready when everything's done.
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  #32  
Old 01-30-2022, 07:04 PM
Jeff Scott Jeff Scott is offline
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http://www.valvewizard.co.uk/standby.html
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  #33  
Old 02-01-2022, 10:24 AM
clintj clintj is offline
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Quote:
Originally Posted by Rudy4 View Post
I'm assuming "filaments" is referring to the tube heater filaments?



I've never heard of any tube amp that applied more than the low voltage from the transformer (typically 6 volts) to the tube heaters. Tube heaters aren't really anything different than a incandescent light bulb element and even briefly applying much higher voltage than what the filament is designed to use would greatly shorten the life of that critical part of the tube.



In any case, I'm glad that worked for you.
The "All American Five" the radios from the fifties and early sixties used heaters that were directly powered from wall power. No transformer, no grounding, no isolation whatsoever. They were enclosed in a non-conductive case so you couldn't contact anything live. The hallmark of those amps is oddball tubes like the 50C5 which called for 50V of heater power.

Techs call them "widow makers" and they are not suitable for converting to guitar use without extensive work to make them safe.
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  #34  
Old 02-03-2022, 08:33 PM
Blackmore Fan Blackmore Fan is offline
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I'll echo what has been said by others--I turn my amp on and 30 seconds later it produces sound. I consider everything good to go at that point.
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  #35  
Old 02-10-2022, 01:38 PM
OnTheLedge OnTheLedge is offline
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Quote:
Originally Posted by KevWind View Post
If you google this topic you will get different answers
But somewhere in the 10-30 minutes seems to be the most common answer..

One fairly concise article stated something like ::
While it will only take 3 to 10 seconds for a tube to pass a signal (depending on condition of the tube) It can take 10 to 30 minutes for the tubes to fully warm up (again depending on the tubes) and while there is no harm in playing as soon as the tube will pass a signal ,,,the sound can be different prior to that full warm up, and after that.
3 to 10 seconds is about how long I wait. I've never noticed a change in tone from my first note to my last.
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  #36  
Old 02-10-2022, 02:30 PM
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Quote:
Originally Posted by OnTheLedge View Post
3 to 10 seconds is about how long I wait. I've never noticed a change in tone from my first note to my last.
Since I flip them on in standby and then get out the pedal board, plug it in, and connect the cables for the two amp wet/dry rig ,,uncase the guitars and plug them in I guess I let em warm about that long

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  #37  
Old 02-11-2022, 12:29 PM
OnTheLedge OnTheLedge is offline
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Originally Posted by KevWind View Post
Since I flip them on in standby and then get out the pedal board, plug it in, and connect the cables for the two amp wet/dry rig ,,uncase the guitars and plug them in I guess I let em warm about that long

That's pretty much what I do. Since you mentioned the standby switch I'll put this out there. My amp guy says to never turn a tube amp off when it is in standby mode. Don't remember why, though.
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  #38  
Old 02-11-2022, 01:38 PM
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Quote:
Originally Posted by OnTheLedge View Post
That's pretty much what I do. Since you mentioned the standby switch I'll put this out there. My amp guy says to never turn a tube amp off when it is in standby mode. Don't remember why, though.
Hence the question…isn’t turning the amp OFF properly more important than tube warm up time?
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  #39  
Old 02-11-2022, 04:17 PM
Paleolith54 Paleolith54 is offline
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Quote:
Originally Posted by OnTheLedge View Post
That's pretty much what I do. Since you mentioned the standby switch I'll put this out there. My amp guy says to never turn a tube amp off when it is in standby mode. Don't remember why, though.
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Originally Posted by PTony View Post
Hence the question…isn’t turning the amp OFF properly more important than tube warm up time?
It actually doesn't seem to matter. Based on what I've read (and this topic comes up a lot on forums), there is no need to go to Standby first. Nor does it hurt the amp to do so. It just doesn't seem to matter.

My Mesa manual is silent on a procedure for powering off, and they're pretty meticulous in their manuals so I think it's unlikely that it's important and they forgot to talk about it.
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  #40  
Old 02-11-2022, 05:48 PM
FoxHound4690 FoxHound4690 is offline
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My tube amp is a Strauss SVT and i've always been of the opinion that five minutes as a standard is a good length of time to work from. I don't take my amp off standby until i know they're properly hot otherwise if you're trying to drive signal through the amp and the tubes aren't at their ideal operating temperature it can potentially damage components inside your amp.

It can also through your bias out as well apparently, I was told that by someone who knows a lot more about tube amps than me.
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  #41  
Old 02-11-2022, 11:59 PM
Jeff Scott Jeff Scott is offline
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Quote:
Originally Posted by FoxHound4690 View Post
I don't take my amp off standby until i know they're properly hot otherwise if you're trying to drive signal through the amp and the tubes aren't at their ideal operating temperature it can potentially damage components inside your amp.

It can also through your bias out as well apparently, I was told that by someone who knows a lot more about tube amps than me.
Not true; where'd you hear this rubbish?
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  #42  
Old 02-19-2022, 05:17 AM
EZYPIKINS EZYPIKINS is offline
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Let's use a gig as a gauge.

Set up, plug in cab, pedalboard, and A/C.

Turn on.

Get out guitars, tune up, by then your good to go.
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