joelongwood
Keeper of the 'Phones
- Joined
- Jun 22, 2001
- Posts
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I'm hoping someone has an explanation for what I'm hearing out of this $350 RA-1 amp. I first noticed the hiss when I plugged in the Sony CD3000s. It was very noticeable, and appeared at all volume settings, but did not get any louder. It also seemed to be predominantly in the right channel, and was audible even with the RA-1 totally disconnected from the system. With music playing, the hiss was masked and inaudible. I then plugged the 'phones into the MG Head.....no hiss until about 2 O:clock on the volume control. Then the Creek......no hiss until almost full volume. Then the TA.....hiss, about the same as the RA-1, except it does get louder with an increase in the volume control. Then the Penguin CHA47.....no hiss at all.
What gives here? A $350 amp which exhibits the same noise level as the TA, and more hiss than the Penguin? Granted, none of my Grados have any hiss when plugged into the RA-1, nor does the AKG or Sennheiser, but I'm assuming that is because the Sonys have such tremendous efficiency.
Is the RA-1 defective, or is this normal? I hope it's defective, because that thing should be dead silent with any headphones. Any help here would be appreciated. Thanks.
What gives here? A $350 amp which exhibits the same noise level as the TA, and more hiss than the Penguin? Granted, none of my Grados have any hiss when plugged into the RA-1, nor does the AKG or Sennheiser, but I'm assuming that is because the Sonys have such tremendous efficiency.
Is the RA-1 defective, or is this normal? I hope it's defective, because that thing should be dead silent with any headphones. Any help here would be appreciated. Thanks.