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Add additional inputs to ZStage? (Read 359 times)
Tommy Freefall
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Add additional inputs to ZStage?
05/27/21 at 17:35:51
 
I seem to recall this being asked before, but I couldn't find the thread.

Is it possible to add an additional pair of RCA inputs to the ZStage so that it can accommodate two sources?
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rrwwss52
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Re: Add additional inputs to ZStage?
Reply #1 - 05/28/21 at 16:43:00
 
Not a direct answer, but you could install an A/B switch prior to the input connection.  I have a tube buffer with both XLR and RCA inputs, and the manufacturer cautions against connecting both simultaneously.
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will
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Re: Add additional inputs to ZStage?
Reply #2 - 05/28/21 at 18:50:55
 
Tommy,

If you would like a built in setup, it is possible. Mine was an early ZStage, but it looks more-or-less like the same design as now. I have two inputs with a switch. So there are three pairs of RCAs on the back next to each other, one for output and two for input and a switch.

Years ago, but as I recall, Steve was reticent to change the design in this way, so I can't say how he would feel about it now. The most transparent way seemed to be mounting the input switch in the middle of the back, close to both input RCA pairs, and the added input RCAs are mounted between the stock RCAs and the new switch. Also this seemed to be the least confusing setup as the bias and input switches look the same but do different things, so separating them seemed good. Also, there was more room to fit it all in on the back, where the front is notably tighter inside. Having this switch on the back is not as elegant as Steve's base designs are but seemed the best solution all around, and I was perfectly fine with this setup, so Steve agreed to do it when I sent it in for some cap changes.

So if this sounds interesting, my advice would be to call Steve, and see how he feels about it.

Will
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All Modified: Power-PSA P5, Brickwall/Shunyata Defender>RevolutionMacMini/PureM>Kitsune Singxer/Gustard x20pro or NOS Tranquility DAC; CSP3, ZRock2, Torii IV, HR1, DIY ZBIT; Cables DIY: PCs, ICs, USB, I2S, Speaker; Feet- Archie's platform, alum/ball bearing, SR+
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Tommy Freefall
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Re: Add additional inputs to ZStage?
Reply #3 - 05/28/21 at 18:57:15
 
Will, thanks very much for your detailed thoughts.

I'll reach out to Steve, but in the meantime, do you recall - ballpark - what he charged you for this modification?
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Torii MkIV w/ 25th ann mods
Rachael SE34I.5
ERRx
ZStage, ZBIT, ZRock2
Tascam CD-240
Border Patrol DAC
Zu Audio Mission speaker cables
Decware I/Cs
PI Audio MiniBUSS
Zenhead, Grado 325e
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Dominick
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Re: Add additional inputs to ZStage?
Reply #4 - 05/29/21 at 00:22:11
 
Tommy,

You really need to see the cost because the other option is to buy the ZSB switchbox. †That not only gives you 4 inputs, but 2 sets of outputs. †I run one set of outputs to my ZSTAGE, and the other set goes to my subwoofer.

If you have no need for the extra set of outputs, or don't feel you would ever use more than 2 sets of inputs, then the switch box has no added benefit for you. †

Willís ZSTAGE with 2 inputs is a nice feature that I could see being very useful.

Dom

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iMac 7, Google CCA/Raspberry Pi 4, Schiit Bifrost True Multibit DAC, My Audio Cables [MAC] Ultra Silver+ Cables, ZSB, ZSTAGE [Beeswax Caps], DAG Cables, DHC1, Torii MKIV w/25th Ann. mods, Reg P3 Turntable, Velodyne Dual Firing Sub, ERR Radials [Bubbinga Wood].
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will
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Re: Add additional inputs to ZStage?
Reply #5 - 05/29/21 at 06:03:56
 
Tommy,

Sorry, I could not find an email invoice, and I really can't remember enough to hazard a guess... too many things since filling my brain!
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All Modified: Power-PSA P5, Brickwall/Shunyata Defender>RevolutionMacMini/PureM>Kitsune Singxer/Gustard x20pro or NOS Tranquility DAC; CSP3, ZRock2, Torii IV, HR1, DIY ZBIT; Cables DIY: PCs, ICs, USB, I2S, Speaker; Feet- Archie's platform, alum/ball bearing, SR+
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