Care to share temperature data on 440PRO
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Care to share temperature data on 440PRO
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Volume -31.5
Input USB Trigger cable connected Master A 39, D 38, Power Supply: 44 Companion A 41, D 41, Power Supply: 47 Room temeprature: 25-28c DPM: ON SAM : 100% Playing time: 3hrs  (08-Mar-2017, 18:20)Rama Wrote: Volume -31.5Volume -31.0 Room Temp: 22.5C Input RCA: input 1, Tuner No Trigger cable connected Connection between amps: Audioprana SP/DIF-AES/EBU cable Master: A 34, D 35, Power Supply: 42 Companion: A 35, D 32, Power Supply: 39 Playing time: 9hrs (on all day while i'm at work) Sam On 40% Speakers 802D3 DMP Off Brian
Vinnie Rossi L2iSE integrated amp, VPI Classic TurnTable c/w Transfiguration Phoenix Cart,
Auralic Aries G2, Audience Front Row USB cable, B&W 803D3 (black) Audience Front Row Bi wire speaker cables, 6 x OREA Bronze Footers. Ottawa, Canada. 
10-Mar-2017, 03:09
I think that ambient temperatures will have a bearing on results. I'm guessing that Rama's room temperature is higher than Brian's. Maybe it would be helpful (if possible) if this info could be included in your readings, then the temperature difference could be worked out and therefore make the readings more valid. Also the orientation i.e. vertical or horizontal, as one of my amps is wall mounted and runs cooler than the rack mounted one.
Alex. Project Eperience X Pack with Ortofon Rondo Red MC, Oppo BDP 105D, 2 x Sonos Connect, QNAP HS251+ NAS with 2 X 6TB Western Digital Red, Mac 5K 32GB running Lifetime Roon, iPad Pro 12.9" for remote control. Etalon Ethernet Isolator, Devialet 440 Pro CI, Sonus faber Olympica ll with Isoacoustics Gaia ll feet, Auralic Taurus Mkll headphone amp., Denon AH-D5000, Sennheiser HD600 and HD800 with Cardas cable, Van Den Hul The First Ultimate and Crystal interconnects, Furutech power cables, GSP Audio Spatia speaker cable.
South Coast England
10-Mar-2017, 06:25
You are correct Alex about the ambient temperature. I have the AC on so my room temperature is around 25C. But since these units are new I am guessing the temperature is going to settle down. Thanks to BrianT and everyone who contributes in the future. Just on a side note listening to classical music especially symphonic orchestral music i am amazed at what the 440 Pro is capable of, the soundstage and the dynamics are just breathtaking.
10-Mar-2017, 07:40
Also how the amps are placed will make a big differens in the temperature. I have mine in a built in rack in the wall and I can get up to 50C on some parts of my 440 if I play for many hours at around -30.0 on the volume. Also if they are placed on higher feets will affect the temperature, I have mine on 3 Ansuz Darkz D-TC on each amp and that lowered the temperature a bit as I suppose more air will flow around them.
Speakers:TAD CE-1. Amplifier: TAD M2500mk2. Digital: TAD DA1000-TX, Innuos Statement Next-gen, Innuos PhoenixNET.
Miscellaneous: Qobuz Studio, Ansuz Mainz 8 D2, Ansuz Darkz DTC, Tubulus Argentus ethernet cable, Tubulus Concentus USB cable, Tubulus Argentus V2 XLR cable, Tubulus Argentus V3 + V3 bass, iFi Nova powercables. Second system Qobuz Studio -> Devialet Silver Phantom, Devialet Tree
10-Mar-2017, 12:26
(10-Mar-2017, 06:25)Rama Wrote: You are correct Alex about the ambient temperature. I have the AC on so my room temperature is around 25C. But since these units are new I am guessing the temperature is going to settle down. Thanks to BrianT and everyone who contributes in the future. Just on a side note listening to classical music especially symphonic orchestral music i am amazed at what the 440 Pro is capable of, the soundstage and the dynamics are just breathtaking. Rama You have the AC, I have the heat on  Room temp 22.5C I do have both the amps raised at the rear so they slope forward letting more air under them. Brian
Vinnie Rossi L2iSE integrated amp, VPI Classic TurnTable c/w Transfiguration Phoenix Cart,
Auralic Aries G2, Audience Front Row USB cable, B&W 803D3 (black) Audience Front Row Bi wire speaker cables, 6 x OREA Bronze Footers. Ottawa, Canada. 
10-Mar-2017, 18:53
(This post was last modified: 10-Mar-2017, 19:43 by Xander.
Edit Reason: edit
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440Pro
Volume -22.5 Room Temp: 21C Input RCA: AIR -streaming Tidal- No Trigger cable connected Connection between amps: 'standard' Diamond cable Master: A 38 D 38, Power Supply: 42 Companion: A ?, D ?, Power Supply: ? > don't know, they are on top of each other Playing time: 1hrs Speaker: B&W 804 D2 SAM 50% DPM: On
10-Mar-2017, 19:37
Speaker, SAM on/off/% and DPM on/off will also have a significant impact on running temperatures
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Cambridge, UK (Updated 27th February, 2020)
10-Mar-2017, 21:31
10-Mar-2017, 21:34
(10-Mar-2017, 19:37)PhilP Wrote: Speaker, SAM on/off/% and DPM on/off will also have a significant impact on running temperatures That's right, with dpm off an sam on my temp of A rises fast over 60 deg. When i turn off sam or turn on dpm the temp of A falls to the 40's. D and Power Supply are nearly stable. So i don't use sam. With dpm on the SQ is defintly lower. So i don't use dpm.
Devialet 250 pro ci, Linn Akurate G-Hub Nr.15 with clock upgrade, Linn G-Sneaky No.6, Pro-ject Perspektive Anniversary, Harbeth SHL5Plus, Synology DS218+, two subwoofer Canton 50k, Audioquest cable, Kimber Cable 12tc.
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