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Old 24th March 2004, 10:39 PM   #11
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Hi Herm,

I'm going to buy a meridian digital pre soon, so will be feeding the ultracurve, then dcx digitally. Hopefully a -20dB signal from a dvd setup disc will make the ultracurve show a -20 level in it's display. If it doesn't I'll have to adjust the input level.

Then I'll just calibrate the output with the vol. pots on my amps to give 85 dB at the listening position.

I'm waiting for an spl meter to turn up so i can measure my present listening levels ( it all falls between -25dB and -35dB on my present amp so I seem to have a 10 dB 'window'. I'll set it to the loudest level, measure -20 pink noise, and set the new setup the same vol.

I hope I'm making sense here...
Rob
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Old 24th March 2004, 10:53 PM   #12
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It would appear that there is an input gain ajustment. Looks like the input button gets you to that?
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Old 25th March 2004, 04:24 PM   #13
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Rob

You might want to think about tweeking your pre for a bit more gain, or adding another gain stage to get the input signal up to pro levels. This will give you a much lower noise floor in the DCX processing.
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Old 25th March 2004, 04:34 PM   #14
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Hi Al,

I'll be using a digital pre soon, so am not too worried about the analog ins at the mo. (they'll have to make do a few weeks is all)

Was more concerned about getting the outputs matched properly to home gear.

Cheers

Rob

edit: the ultracurve has a 'max' switch on the back which changes max level from +12 to +22 dBu
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Old 4th April 2004, 11:28 PM   #15
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Thought I'd post an update....

I ended up buying a behringer 'ultra di d120' direct injection box for the time being - means my pre amp can produce the right levels for the balanced inputs of the ultracurve pro. This is routed to the dcx via aes/ebu xlr.


Of interest to people using the dcx, I used the xlr outputs with pin 3 shorted to pin 1 (ground), and pin 2 positive on a phono, with the phono ground going to pin 1.

It worked perfect with integrated amps - could possibly be more problematic with 'power amps' (with no gain/attenuation)

Tonights listening impressions (with no room eq from the ultracurve - ie flat but in the loop)- ooh and a few glasses of wine.. shows that the dcx performs way better than my yamaha av receiver (rxv-800) for x-over duties. - a lot more clarity shone through.


Hopefully when I buy my meridian 561 for pre-amp duties I will see even more clarity, but i was very surprised tonight by how clean this xo sounds.

I tried crossing at 200 from sub units to mid/highs, and 80Hz aswell - so easy to play about.

I'm running trueRTA on a different pc so i can see any changes instantly.

Will be putting my proper mid/tweets in this week for testing. - will report soon..


As a final note, I'd like to say that anybody who's thinking about trying the dcx, don't be put off by the negative comments you'll find on this forum - A lot are posted by people who haven't heard it.

To give an idea of my stuff, I'm using 2 x audiolab 8000a's for the bass (2x scanspeak8565-01's 10") per side, and a cyrus1 with b&w dm602's for mid/highs

My proper mid/ tweets are scanspeak 8545 revelators, with the revelator tweeter too... when I get the boxes finished....


Cheers,

Rob
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