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[Equipment] Is Prisma 20A quieter than Airsense 10 autoset
#11
RE: Is Prisma 20A quieter than Airsense 10 autoset
If you check the Oscar data published on this site you will see the many advantages of the Resmed Autoset machines. It's not only quiet, but provides true bilevel pressure is a very comfortable and effective algorithm that senses flow limitations to the extent obstructive events are prevented, no just reacted to.  We had a member that compared six machines and published results in a blog posted from this thread http://www.apneaboard.com/forums/Thread-...rification   There are issues in the methods and sample size, but it's independent of manufacturer influence.  Here are the machines compared:
  1. APEX iCH Auto
  2. DeVilbiss Blue Auto Plus
  3. Löwenstein Prisma 20a
  4. Philips Dreamstation Auto CPAP
  5. ResMed AirSense 10 AutoSet
  6. ResVent iBreeze Auto CPAP



There are also good reviews of the Lowenstein Prisma 20a and Resmed Airsense 10 Autoset in the Reviews forum. Both are reviewed very favorably and the Resmed has many more individuals contributing to the thread.

A very good study, Comparative Assessment of Several Automatic CPAP Devices' Responses : a bench test study compares the algorithms of AirSense 10 (ResMed), Dreamstar (Sefam), Icon (Fisher & Paykel), Resmart (BMC), Somnobalance (Weinmann), System One (Respironics) and XT-Auto (Apex). unfortunately this study did not include the Lowenstein.
Sleeprider
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#12
RE: Is Prisma 20A quieter than Airsense 10 autoset
(03-14-2021, 11:37 AM)Sleeprider Wrote: A bench test study compares the algorithms of AirSense 10 (ResMed), Dreamstar (Sefam), Icon (Fisher & Paykel), Resmart (BMC), Somnobalance (Weinmann), System One (Respironics) and XT-Auto (Apex). unfortunately this study did not include the Lowenstein.

Thanks I going to read that. In fact Lowenstein is the new name for Weinmann (Maybe a company absorbtion).

Somnobalance is like 10 years older than Prisma 20a.
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#13
RE: Is Prisma 20A quieter than Airsense 10 autoset
(03-14-2021, 11:37 AM)Sleeprider Wrote: We had a member that compared six machines and published results in a blog posted from this thread http://www.apneaboard.com/forums/Thread-...rification   There are issues in the methods and sample size, but it's independent of manufacturer influence.  Here are the machines compared:
  1. APEX iCH Auto
  2. DeVilbiss Blue Auto Plus
  3. Löwenstein Prisma 20a
  4. Philips Dreamstation Auto CPAP
  5. ResMed AirSense 10 AutoSet
  6. ResVent iBreeze Auto CPAP

Wtf, it's crazy, I didn't think about the AHi could be so fare between what the machine say and the reality.

Thank's a lot for this link.
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#14
RE: Is Prisma 20A quieter than Airsense 10 autoset
Hi guys,

I just recieved the Airsense 10 and I can answer to my question.

YES PRISMA 20A IS QUIETER

I going to test it and maybe I'll make a review or a pro/con comparaison.


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#15
RE: Is Prisma 20A quieter than Airsense 10 autoset
Pretty significant size difference based on your photo. If you are able to do a comparative review, please be sure to post it in the reviews forum under the CPAP section. Thanks!
Sleeprider
Apnea Board Moderator
www.ApneaBoard.com

____________________________________________
Download OSCAR Software
Soft Cervical Collar
Optimizing Therapy
Organize your OSCAR Charts
Attaching Files
Mask Primer
How To Deal With Equipment Supplier


INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#16
RE: Is Prisma 20A quieter than Airsense 10 autoset
(03-24-2021, 07:45 AM)Sleeprider Wrote: Pretty significant size difference based on your photo.  If you are able to do a comparative review, please be sure to post it in the reviews forum under the CPAP section. Thanks!

Hi @SleepRider,

Ho yes but the photo exaggerates the difference, and a big difference in term of weight too.

Without lateral cover:
Airsense = 1015g
Prisma    = 1269g

Lateral cover:
Airsense = ??? (don't have it)
Prisma    =144g

Humidifier:
Airsense = 253g
Prisma    = 609g

CPAP + Humidifer = 1268g vs 1878g = 610g of difference xd

In hand the Airsens seem to be a toy in comparaison (a hollow toy).

To come back to the subject, in fac the noise seem to be like a resonance of the airflow and not the pump.


Ps: If I do a review I'll try to post it in the good section Wink
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#17
RE: Is Prisma 20A quieter than Airsense 10 autoset
Hi guys,

So after a night (with a good treatments of my ahi), I already notice lots of differences. I'll make a review about the prisma soon.

But before that I have to fix the noise question, I start to doubt about a default of my new airsense 10 auto.

For me it's clearly not like dead silence, I don't ear the mask's sound at 7 and 12cmH2O. Just the noise of the airsense, particulary on inhalations. (In comparaison with the prisma I just ear the flow of air in my mask  and hose)

I make some sound test with my iPhone, and the decibels values are the same (38/42 db expiration/inhalation close to the cpap like power level), but not in the same range of frequencys.

   
- airsense (22.2 LAeq) is in the band of 250Hz (motor and airflow) and 2kHz (that annoying sound out from intake air at inhalations).
   
- prisma (22.3 LAeq) is in the band of 80Hz (motor and airflow) and 800Hz (a little whistle).


That why the prisma have a low sound and the airsens a hight-pitched sound a the same sound pressure.

So I learned decibels are not the only factor between silent and noisy. Thanks CPAP Wink


Due to your comments I start to thinking about my resmed has a problem. I don't have any idea how to solve this suspicion.
My doc said the resmed is loud, so if I tell him that, he will just say it's normal, I told you it's noisy.


Maybe some of you are able to make a test with the same free app OpeNoise to check if the sound of your Airsense is in the same range of frequency?

If you have other CPAP brand and models your welcome to share your results.
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