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2359glenn | studio - Page 339

post #5071 of 10672
Clayton, what drivers are you using with the 300Bs?
post #5072 of 10672
Quote:
Originally Posted by dminches View Post

Clayton, what drivers are you using with the 300Bs?

C3g Post (still clad in its stealth-black shield).

post #5073 of 10672
Me too. What a coincidence biggrin.gif
post #5074 of 10672

Never mind my excellent video skills :rolleyes:

 

 


Edited by Ultrainferno - 9/30/13 at 1:07pm
post #5075 of 10672
Quote:
Originally Posted by Ultrainferno View Post
Never mind my excellent video skills :rolleyes:UltraHovercraft. (Click to show)

Looks gorgeous doesn't it. You should hear it!! :cool:

 

I have seen this amp in person!

I hear a Geiger counter in the background.

And a clock.

And heavy breathing. ;)

post #5076 of 10672
Quote:
Originally Posted by Clayton SF View Post
 

 

I have seen this amp in person!

1. I hear a Geiger counter in the background.

2. And a clock.

3. And heavy breathing. ;)

 

New video online C.

Is the buzzing clear? Was much better on the original MOV file :( 


Edited by Ultrainferno - 9/30/13 at 12:58pm
post #5077 of 10672
Thread Starter 
Quote:
Originally Posted by Ultrainferno View Post
 

 

New video online C.

Is the buzzing clear? Was much better on the original MOV file :( 

 

Field Recordings... excellent strategy.

post #5078 of 10672
Quote:
Originally Posted by Silent One View Post
 

 

Field Recordings... excellent strategy.

 

 

Nos let's just hope there's a cure! :cool:

post #5079 of 10672
Thread Starter 
Quote:
Originally Posted by Ultrainferno View Post
 

Nos let's just hope there's a cure! :cool:

 

Have you learned if there is any change in this sound being produced by changing any combination of feet and the surfaces your amp sits on? Sometimes, when elimination is not possible, minimizing becomes a satisfying and reachable goal.

post #5080 of 10672

I still have to change the feet to try, but as I don't have any I'll need to buy them first

post #5081 of 10672
Thread Starter 

You may have settled on the perfect placement. But for experimental purposes, try moving the amp onto different surfaces. Why go to the Spa or the Gym? When you could move/pump iron right from the listening room... :D ask Clayton SF!

post #5082 of 10672
Quote:
Originally Posted by Ultrainferno View Post
I still have to change the feet to try, but as I don't have any I'll need to buy them first

Ultra-, my 300B Glenn Amp mono blocks have a mechanical hum like yours. I've heard yours and it sounds just like mine. Same intensity, etc. I have placed my mono blocks on thick rubber discs (usually reserved for wine glasses) and the sound did not change. Cork didn't help either. I have also lifted the amp off its feet and held it suspended for a few seconds (it is heavy) and the sound didn't change either. I even placed spacers under just the front two feet thereby lifting the front of the chassis at an angle of 1-inch higher than the back--no change either.

 

Why don't you try putting cork or rubber coasters under your amp to to try it out? Your room is smaller which amplifies the mechanical hum. Mine gets drowned out by the traffic going past my apartment on Pine Street. ;)

post #5083 of 10672
A fairly significant number of my audio products will exhibit a mechanical buzzing from the power transformer when the dimmers in my kitchen are on. When they are not - no buzz. Even my Martin Logan sub does this. Not audible at all from the speakers, it's truly just mechanical. And turning the dimmers off solves the issue. It's obviously that the dimmers are polluting the AC in my house BADLY, even to an extent that line conditioners don't seem to block effectively.

So make sure your dimmers are off!
post #5084 of 10672
Quote:
Originally Posted by Skylab View Post

So make sure your dimmers are off!

 

Good suggestion. My dimmer is always on. And it is in the same room as my buzzing amps.

post #5085 of 10672

I don't have any dimmers :rolleyes:


Edited by Ultrainferno - 10/1/13 at 1:53pm
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