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  1. #1
    Junior Member
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    Jul 2021
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    Mumbai
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    How to use Pre-Outs?

    Now that I have McIntosh AV processor and MC257, my Cambridge Audio CXR200 lies without use. This would definitely shorten its life span. To avoid redundancy, I hooked up the CXR200 pre outs with the analogue input of Boulder 866. The HDMI cable from my set top box goes into the CXR as does the HDMI arc from the LG OLED to the CXR200 HDMI arc connection. I do get visuals but there is absolutely no sound. Can anyone point out how I could get sound from the speakers in this setup?

  2. #2
    Senior Member
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    May 2017
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    Ohio, USA
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    141

    Re: How to use Pre-Outs?

    To the best of my knowledge, the Boulder 866 does not give you the option of a HT pass-thru input. All of the inputs are standard line-level inputs.

    That being said, I would think that to get sound in the manner you've set it up, you would need to adjust the volume knob on both the CXR200 AND the Boulder 866. The CXR200 to get an actual signal to come out of the pre-amp (but not so loud that it overloads the input on the Boulder) and then the Boulder so that the sound comes out of the speaker terminals.

    I would contact Boulder and see if they have any suggestions for rigging up a HT pass-thru input-like setting without actually having an HT pass-thru input.
    Electronics: Pass Labs XP-22, Pass Labs X250.8
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  3. #3
    Senior Member
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    St. Louis, MO, USA
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    Re: How to use Pre-Outs?

    You should be getting sound, I suspect a setting in the TV or Cambridge needs to be checked.

    The 866 would need to be set the the input you are using. Make sure the LG and Cambridge are set to do ARC.

    It wouldn't hurt, or shorten, life to box up the Cambridge. You could sell it. You would be betteroff using another digital out to the 866 from the LG.

    Welcome to the forums.
    Aurender ACS10 w/Audioquest Diamond USB,
    Mark Levinson #526, 532h, JBL 4367's
    Clearaudio Performance DC w/Maestro cart
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    SVS PC13 Ultra
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  4. #4
    Senior Member
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    Nov 2013
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    Minnesota
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    1,302

    Re: How to use Pre-Outs?

    Storing the Cambridge should not shorten the life. Either way, if you use it or store it, some capacitors will dry out over time and oxidation will occur on contacts and solder. Before storing you could clean and condition contacts with De-oxit cleaner and then the conditioner.
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  5. #5
    Junior Member
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    Jul 2021
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    Mumbai
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    Re: How to use Pre-Outs?

    Quote Originally Posted by Mr Peabody View Post
    You should be getting sound, I suspect a setting in the TV or Cambridge needs to be checked.

    The 866 would need to be set the the input you are using. Make sure the LG and Cambridge are set to do ARC.

    It wouldn't hurt, or shorten, life to box up the Cambridge. You could sell it. You would be better off using another digital out to the 866 from the LG.

    Welcome to the forums.
    I have done all you are talking about here but still no sound. On shortening the life span, Mumbai weather can be very damaging if I box it up and store it. It's very humid here and rains straight up for 3 months.
    HT: Focal Chorus 726V | Focal Centre Aria CC900 | NHT SuperZero 2.1 | SVS SB1000 | McIntosh MX123 | McIntosh MC257 | Oppo UDP-205 | LG OLED G1 "65 |SF Power Conditioner | Synology NAS DS916+

    Stereo: Spendor D 9.2 | Boulder 866 | Boulder 508 | Clearaudio Concept Wood | Roon on DS916+

  6. #6
    Junior Member
    Join Date
    Jul 2021
    Location
    Mumbai
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    7

    Re: How to use Pre-Outs?

    Quote Originally Posted by tino27 View Post
    To the best of my knowledge, the Boulder 866 does not give you the option of a HT pass-thru input. All of the inputs are standard line-level inputs.

    That being said, I would think that to get sound in the manner you've set it up, you would need to adjust the volume knob on both the CXR200 AND the Boulder 866. The CXR200 to get an actual signal to come out of the pre-amp (but not so loud that it overloads the input on the Boulder) and then the Boulder so that the sound comes out of the speaker terminals.

    I would contact Boulder and see if they have any suggestions for rigging up a HT pass-thru input-like setting without actually having an HT pass-thru input.
    Done exactly as you say, but no sound. I have now shot off a mail to Boulder.
    HT: Focal Chorus 726V | Focal Centre Aria CC900 | NHT SuperZero 2.1 | SVS SB1000 | McIntosh MX123 | McIntosh MC257 | Oppo UDP-205 | LG OLED G1 "65 |SF Power Conditioner | Synology NAS DS916+

    Stereo: Spendor D 9.2 | Boulder 866 | Boulder 508 | Clearaudio Concept Wood | Roon on DS916+

  7. #7
    Senior Member
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    Nov 2013
    Location
    St. Louis, MO, USA
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    Re: How to use Pre-Outs?

    Puzzling issue.

    3 months of rain, depressing

    Quote Originally Posted by Terrible View Post
    I have done all you are talking about here but still no sound. On shortening the life span, Mumbai weather can be very damaging if I box it up and store it. It's very humid here and rains straight up for 3 months.
    Aurender ACS10 w/Audioquest Diamond USB,
    Mark Levinson #526, 532h, JBL 4367's
    Clearaudio Performance DC w/Maestro cart
    All Clarus Crimson cabling, AC to binding post. Surgex
    HT: Marantz AV8003, Linn 5125, JBL SAM3ha, Revel s30,
    SVS PC13 Ultra
    Transparent, Analysis Plus & Tributaries. PS Audio filtering
    Sony XBR-75X940D & BDP
    Parasound P6, Coda CSX, Artisan speakers

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How to use Pre-Outs?

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