Originally Posted by Nicoff
Ok, let me see if I understand what you are saying. Since I plan to have two 4k sources (Apple TV 4k and Roku) I will need two converter boxes.
1. Connect the output of my Apple TV to one HDMI 2.0 to 1.4 converter box. Then connect the 1.4 signal coming from the converter box to my digital preamp (Bryston SP3).
2. Do the same with the Roku using a separate converter box.
3. Now the AppleTV and the Roku are connected to the Bryston SP3 digital preamp.
4. Then connect the HDMI output from the SP3 preamp to the HDMI In of the Oppo 205.
5. Connect the HDMI video out of the Oppo directly to the projector.
6. Set the Oppo to limit the video output to Custom/Auto24.
If I do all this, then I will get 4k SDR sent to the JVC projector. Did I get this right?
Is 4k SDR a much better image than the 1080p that I am getting now?
That will not work. the Oppo will still see HDMI 1.4 and will block protected 4K content. The set up I was imagining was
ATV /Rokko /Oppo -> Converter(s) -> AMP -> Projector. But this assumed your preamp was HDMI 1.4 and can switch 4K (which is part of HDMI 1.4) I think the Bryston is not even 1.4. Its from 2011 right?
Your options as I see it (now that I know more about your pre-amp) are:
Sources -> (switch) -> Oppo in ->
HDMI out 1 -> [Converter] -> projector
HDMI out 2 -> amp
This is basically what you said before + the converter. I can't tell you which switches work well with 4K as I've never tried one but i do know they are rare. I'd stick with one media box first for 4K (ie ATV or Rokko). I can tell you straight up there are times the Oppo will lock up on frame rate changes ( 24 fps to 25fps material) with this setup. These can be cleared by going back to the menu using the remote blind and retrying.
Up to 2 sources -> Vertex
Vertex top output -> projector
Vertex bottom output -> amp;
HDFury Vertex configured to auto-mix and scale down for the Amp; set to HDMI 1.4 output on both top and bottom outputs. When converting to 1.4 HDCP rules say you can only have 1 device before the conversion and still be compliant. Using oppo input is not reliable due to HDCP issues. HDCP rules only allow 1 device north of a 1.4 conversion. Vertex with HDCP 1.4 conversion activated develops intermittent sync problems on video with more than 1 2.0 source device which is caused by this HDCP limitation. The mono price adapter however is fine in my experience. I think the later is strictly speaking out of spec.
3) HDFury are soon releasing a new device with 4 inputs vs the current 2.
4) replace the Bryston. I'm sorry but this is the best option IMO. Processing and DACS have improved a bit since 2011, I would doubt you will notice any quality loss using a new, cheaper, AV Receiver with preouts. I understand that the equivalent pre-amp with balanced outs is very expensive.
My set up (HDMI 2.0b amp) is
ATV/Oppo -> Vertex (For EDI Spoofing and automation) -> Amp -> Converter -> Projector
one set up I tried and could not get to work reliably was
ATV -> Oppo -> Amp -> vertex -> projector