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This weekend I got a new cab for my Ampeg Bass Rig. The amp is an All Tube 300 Watt Ampeg SVT-2 PRO and I got a SVT-410HE for it. Well when I connected the cab I noticed the volume was very low. I had to turn it everything to ten and even max all the EQ settings to get a decent volume.
I don't normally use this amp, as I am really a guitarist. Well I started pushing the buttons to see I could figure out why the volume was so low, when I finally hit the mute button and nearly blew the speakers out. Apparently my 3 year old son had been playing with the buttons and muted the head.
The problem I noticed immediately was a scratching sound that the speakers were emitting when I played. The noise only occurs when I played a note and the Amp still had the same punch as before. The low end actually sounds better than it ever has and I was surprised at how low you can get s 4x10 cab.
So I connected another set of speakers to the amp and I still heard the same noise so I know it is not the cab. I played with the settings and found that the only time that hear the scratching sound is when I have the treble up. If I turn the treble down or turn the tone knob on my bass the noise is gone. So it seems the scratching sound only happens when a note is played and only in the higher frequencies.
What do you guys think? Could it just be the preamp tubes? I'm not sure who old the tubes are since I bought this head used a couple of months ago, but I can tell you this head looks brand new. However had this head before took really good care of it. The head itself is about 10 Years old.
I don't normally use this amp, as I am really a guitarist. Well I started pushing the buttons to see I could figure out why the volume was so low, when I finally hit the mute button and nearly blew the speakers out. Apparently my 3 year old son had been playing with the buttons and muted the head.
The problem I noticed immediately was a scratching sound that the speakers were emitting when I played. The noise only occurs when I played a note and the Amp still had the same punch as before. The low end actually sounds better than it ever has and I was surprised at how low you can get s 4x10 cab.
So I connected another set of speakers to the amp and I still heard the same noise so I know it is not the cab. I played with the settings and found that the only time that hear the scratching sound is when I have the treble up. If I turn the treble down or turn the tone knob on my bass the noise is gone. So it seems the scratching sound only happens when a note is played and only in the higher frequencies.
What do you guys think? Could it just be the preamp tubes? I'm not sure who old the tubes are since I bought this head used a couple of months ago, but I can tell you this head looks brand new. However had this head before took really good care of it. The head itself is about 10 Years old.
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