Thought I'd post a follow-up, for anyone interested. The tech department at Alto said that there were too many things wrong with the unit to repair it. No details, but they said that it was defective. They replaced it with a new unit, and that works perfectly. Already done some tracks with...
Thanks for the suggestion, Dintymoore. A good one, but it didn't solve the problem. Alto will look it over without charge, so I'm giving it a chance. I'm still open to suggestions, while awaiting a return authorization from them.
After following through on Dementedchord's excellent suggestion, I'm in the same place as before. I have a call in to Alto's tech, to see whether this is a unique problem. As much as I like what this unit does, though, I doubt that the cost of a repair is worthwhile, given what a used...
Thanks. I'll try that tonight. As for noticing anything else - I noticed my blood pressure rising and that voice in the back of my head that says "To hell with all this, just play your guitar."
Actually, the only other thing is that the first couple of times it happened, the unit was quiet...
Yes, same result. Engaging phantom power by pressing the button slowly will stop the static for a second, followed by a more generous amount of static. However, the static is present even without anything plugged in and regardless of whether phantom power is engaged.
As for the signal path...
My Alto preamp has begun to produce static, regardless of which of the two channels is being used. The inputs are Neutrik XLR/TRS, the combined XLR and 1/4" jack. The outputs are separate 1/4" and XLR jacks per channel. It began slightly a couple of weeks ago, and now it has become full-blown...
Sound On Sound did a nice review of the NT1-a a few years back, which included a comparison of the NT1 and the NT1-a: http://www.soundonsound.com/sos/may04/articles/rodent.htm
As a few others here have noted, another difference is that the capsule source for the NT1-a is Australia, rather than...