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EQUIPMENT FORUMS >> ZBOX >> ZBox Input Level
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Message started by designtaylor on 06/08/20 at 22:37:43

Title: ZBox Input Level
Post by designtaylor on 06/08/20 at 22:37:43

Recently became the proud owner of a ZBox. I first tried it in my headphone system with my DAC feeding directly into it and then it into my amp. Sounded great. Moved it into my main 2-channel set up and the sound got rough. It feels like it is being overdriven or something. It is now connected to a Cambridge CXN V2 streamer and then into the preamp. Could the output on the streamer be too much for the ZBox? I put it later in the chain but that caused even more issues.

Title: Re: ZBox Input Level
Post by Archie on 06/08/20 at 22:49:50

You can try searching the Forum. I think the input voltage limit is given somewhere. I sort of remember 4 volts but don't take my word on it.

Look at this post by Steve: https://www.decware.com/cgi-bin/yabb22/YaBB.pl?num=1265908137/0#0

Title: Re: ZBox Input Level
Post by designtaylor on 06/08/20 at 22:52:28

Thanks Archie. I can't believe that the streamer is putting out more than that. Wonder if I'm barking up the wrong tree.

Title: Re: ZBox Input Level
Post by Archie on 06/08/20 at 22:59:18

Look at this post by Steve: https://www.decware.com/cgi-bin/yabb22/YaBB.pl?num=1265908137/0#0

Title: Re: ZBox Input Level
Post by designtaylor on 06/09/20 at 00:45:48

Great info! Thanks

Title: Re: ZBox Input Level
Post by designtaylor on 06/09/20 at 03:04:58

Well I swapped what I believe was the stock tube (second owner, no markings) with a JJ ECC82 / 12AU7 that I had on hand and that seems to have resolved the issue. The ZBOX is sitting in between the steamer and my preamp. Cranked up it is the quietest of my sources but that's ok as I've got plenty of headroom.

Seems like I'll be focusing on the 12AU7 for my tube rolling adventures. Recommendations welcome!