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December 5, 2019, 08:43 PM #1
Devialet Expert Pro 140 (no pre out) and Subwoofer
My Devialet Expert Pro 140 has no preamp or subwoofer output. My one sub only has RCA or Balanced inputs. The other sub has RCA and speaker connections.
I emailed Devialet and this was their response:
“Connecting a subwoofer is always possible in parallel of the front speakers
All subwoofer feature a "high level" input”
Does anyone see impedance issues or other problems with connecting two pairs of speaker wires to an Expert Pro 140 or any integrated? Basically one speaker pair goes to the sub and the other pair goes to my Focal speakers.
Thoughts please.MAIN SYSTEM - SST Ambrosia 2000 Second Edition Preamp, SST Son of Ampzilla II Amp, PS Audio Directstream DAC w/Bridge II, PS Audio Directstream Memory Player, PS Audio P3 Power Plant, Focal Sopra No. 1 Speakers, ELAC 3070 Sub, Roon Nucleus w/8TB SSD storage
HOME OFFICE SYSTEM - HiFi Rose RS250, KEF LS50W Nocturne Speakers
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December 5, 2019, 08:50 PM #2
- Join Date
- Nov 2014
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- 2,089
Re: Devialet Expert Pro 140 (no pre out) and Subwoofer
Here are a couple of articles that might provide insight into your question.
How to integrate a sub here:
https://jlaudio.zendesk.com/hc/en-us...&source=search
https://jlaudio.zendesk.com/hc/en-us...&source=search
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December 5, 2019, 09:06 PM #3
Re: Devialet Expert Pro 140 (no pre out) and Subwoofer
Thanks, but my only question in my post wasn’t answered by either article. Also, I can’t use my JL Audio sub with the Devialet since it has no pre or sub output.
MAIN SYSTEM - SST Ambrosia 2000 Second Edition Preamp, SST Son of Ampzilla II Amp, PS Audio Directstream DAC w/Bridge II, PS Audio Directstream Memory Player, PS Audio P3 Power Plant, Focal Sopra No. 1 Speakers, ELAC 3070 Sub, Roon Nucleus w/8TB SSD storage
HOME OFFICE SYSTEM - HiFi Rose RS250, KEF LS50W Nocturne Speakers
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December 5, 2019, 09:41 PM #4
Re: Devialet Expert Pro 140 (no pre out) and Subwoofer
This is more like a subwoofer question instead of an amplifier question.
Subwoofer high level input may have a high impedance so it should not be a difficult load to the amp. For example, REL high level input typically has 100,000 ohm impedance or higher. You'd need to ask your subwoofer manufacturer (the one that offers high level speaker input) to confirm.Peter Lie
LUMIN Firmware Lead
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December 5, 2019, 09:56 PM #5
- Join Date
- May 2013
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- Tallahassee, Florida/Greenville, SC
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- 3,242
Re: Devialet Expert Pro 140 (no pre out) and Subwoofer
Connecting the sub with high level (speaker level) inputs to the Devialet along with the main speakers should present no problems.
Main - JVC QL-Y7/Denon DL-301 Mk II, Gold Note PH-10, Jays CDT3 Mk3 , Auralic Aries G2.2, Holo May KTE, Supratek Cabernet, Kinki Studio EX-B7 monoblocks, Verity Audio Otello, (2) Rythmik F12SE, Audio Envy IC, SC & PC's, Triode Wire Lab PC's, Inakustik USB and I2S, (2) Puritan Audio Labs PSM-156 with Groundmaster City, Timbernation rack
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Greenville, SC- Jays CDT2 Mk 3, Auralic Aries G1, Holo Spring 3 KTE, Supratek Chardonnay, Odyssey Audio Kismet Reference, Rosso Fiorentino Volterra 2, (2) RSL Speedwoofers, iFi Audio Power Station, Wireworld IC's, Inakustik USB and I2s, Triode Wire Lab SC, Triode Wire Lab PC's, Furutech NCF Clear Line, Timbernation rack.
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December 5, 2019, 11:45 PM #6
Re: Devialet Expert Pro 140 (no pre out) and Subwoofer
Does your Devialet have pre-out / amp in connections? If it does you can use an external crossover.
Tom
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December 6, 2019, 01:28 PM #7
Re: Devialet Expert Pro 140 (no pre out) and Subwoofer
The Devialet Expert 220 Pro and Expert 250 Pro units have pre-out that can be configured for summed mono subwoofer output. Unfortunately the Expert 140 Pro that Projectman has does not. Peter's answer is the best answer in this case; unfortunately speaker-level inputs on subwoofers are less and less common these days, including with the JL Audio f112 does not have speaker-level inputs.
Neko Audio
Authorized Dealer: AC Infinity, APC, Audeze, Bryston, Devialet, Elite HTS, Fortress Seating, JMF Audio, JVC, Kaleidescape, LG, LUMIN, Magico, Ortofon, RME, Samsung, Soulution, STAX, Trinnov, Vivid Audio, Weiss & more.
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December 6, 2019, 07:09 PM #8
Re: Devialet Expert Pro 140 (no pre out) and Subwoofer
No preamp or sub out connections.
MAIN SYSTEM - SST Ambrosia 2000 Second Edition Preamp, SST Son of Ampzilla II Amp, PS Audio Directstream DAC w/Bridge II, PS Audio Directstream Memory Player, PS Audio P3 Power Plant, Focal Sopra No. 1 Speakers, ELAC 3070 Sub, Roon Nucleus w/8TB SSD storage
HOME OFFICE SYSTEM - HiFi Rose RS250, KEF LS50W Nocturne Speakers
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