CHANGSTAR: Audiophile Headphone Reviews and Early 90s Style BBS

  • December 31, 2015, 09:37:53 AM
  • Welcome, Guest
Please login or register.

Login with username, password and session length
Advanced search  
Pages: 1 2 3 4 5 [6] 7 8 9 10 11 ... 15

Author Topic: USB cleaner, purifiers, decrapifiers?  (Read 9642 times)

0 Members and 1 Guest are viewing this topic.

DaveBSC

  • Best Korean Sympathizer
  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +222/-50
  • Offline Offline
  • Posts: 2092
Re: USB cleaner, purifiers, decrapifiers?
« Reply #50 on: August 30, 2015, 04:48:49 AM »
Quote from: ohhgourami on August 30, 2015, 04:25:05 AM
Bought a jcat. Differences compared to motherboard are inconclusive.

How are you powering it? The key to getting the most out of the JCAT or PPA Studio is power. Fed via molex from switch mode ATX is better than nothing, but not great. Fed via molex from a LPS powering the board either via a DC jack or Pico PSU is much better than a standard ATX power supply, but you still have to go through the DC-DC regulators to convert the voltage before going back out to the card, which is still somewhat limiting. By far the best is a direct power feed to the JCAT's DC input jack.
Logged

ohhgourami

  • Bad at NDAs
  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +129/-2
  • Offline Offline
  • Posts: 393
Re: USB cleaner, purifiers, decrapifiers?
« Reply #51 on: August 30, 2015, 04:59:51 AM »
Quote from: DaveBSC on August 30, 2015, 04:48:49 AM
How are you powering it? The key to getting the most out of the JCAT or PPA Studio is power. Fed via molex from switch mode ATX is better than nothing, but not great. Fed via molex from a LPS powering the board either via a DC jack or Pico PSU is much better than a standard ATX power supply, but you still have to go through the DC-DC regulators to convert the voltage before going back out to the card, which is still somewhat limiting. By far the best is a direct power feed to the JCAT's DC input jack.

Molex through switching ATX psu.

Though about a Sigma 11 or some other LPS.
Logged

Armaegis

  • Uphill, both ways
  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +76/-3
  • Offline Offline
  • Posts: 883
  • metallurgist, rocket scientist, swing dancer
Re: USB cleaner, purifiers, decrapifiers?
« Reply #52 on: August 30, 2015, 07:17:53 AM »
The last link in the first post is broken...
Logged
Do you think there may be an acoustic leak from the jack hole? ~Tyll Hertsens

Not sure if I like stuffing one hole or both holes. Tending toward one hole since both holes seems kinda ghey ~Purrin

madaboutaudio

  • Jude's Closet Lover
  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +32/-28
  • Offline Offline
  • Posts: 213
Re: USB cleaner, purifiers, decrapifiers?
« Reply #53 on: August 30, 2015, 09:48:10 AM »
If you are using Paul pang USB, don't use Microsoft default drivers, it makes the ppa card sound excactly like any other USB ports. You have to disable power savings like Paul pang instructed to get the most of the card
Logged

uncola

  • One of Ophra's favorite things
  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +11/-1
  • Online Online
  • Posts: 135
Re: USB cleaner, purifiers, decrapifiers?
« Reply #54 on: August 30, 2015, 10:22:41 AM »
what's the difference between jcat and paul pangs usb cards?  I noticed the ppa cards seem to really emphasize clock quality
Logged

DaveBSC

  • Best Korean Sympathizer
  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +222/-50
  • Offline Offline
  • Posts: 2092
Re: USB cleaner, purifiers, decrapifiers?
« Reply #55 on: August 30, 2015, 02:30:54 PM »
Quote from: ohhgourami on August 30, 2015, 04:59:51 AM
Molex through switching ATX psu.

Though about a Sigma 11 or some other LPS.

Yeah definitely give that a try. My VortexBox is powered by two TeddyPardos, one for the board, and one for my JCAT. With just a regular DC power brick it still sounds a bit better than a typical desktop PC, but each LPS makes a big difference.
Logged

AllanMarcus

  • Powder Monkey
  • *
  • Brownie Points: +2/-0
  • Offline Offline
  • Posts: 28
Re: USB cleaner, purifiers, decrapifiers?
« Reply #56 on: August 30, 2015, 05:28:17 PM »
Quote from: Armaegis on August 30, 2015, 07:17:53 AM
The last link in the first post is broken...

Link fixed. Thanks.
Logged

ohhgourami

  • Bad at NDAs
  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +129/-2
  • Offline Offline
  • Posts: 393
Re: USB cleaner, purifiers, decrapifiers?
« Reply #57 on: August 30, 2015, 06:59:03 PM »
Quote from: DaveBSC on August 30, 2015, 02:30:54 PM
Yeah definitely give that a try. My VortexBox is powered by two TeddyPardos, one for the board, and one for my JCAT. With just a regular DC power brick it still sounds a bit better than a typical desktop PC, but each LPS makes a big difference.
Interested in the Teddy Pardo. If only I could find one on the used market.
Logged

DaveBSC

  • Best Korean Sympathizer
  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +222/-50
  • Offline Offline
  • Posts: 2092
Re: USB cleaner, purifiers, decrapifiers?
« Reply #58 on: August 30, 2015, 07:19:27 PM »
Quote from: ohhgourami on August 30, 2015, 06:59:03 PM
Interested in the Teddy Pardo. If only I could find one on the used market.

Yeah they're very good, and the prices aren't absurd like a lot of "audio grade" linears. Perhaps not quite as good as the gold standard from Paul Hynes, but actually getting a Hynes after ordering one takes like a year. Or two. Or five. I'm not sure if Pardo can do a 12/5 multi-rail output from a single PSU like Hynes can, maybe. I already had the 12V, so it was easier to just order another one for the 5V.
Logged

madaboutaudio

  • Jude's Closet Lover
  • Able Bodied Sailor
  • Pirate
  • ***
  • Brownie Points: +32/-28
  • Offline Offline
  • Posts: 213
Re: USB cleaner, purifiers, decrapifiers?
« Reply #59 on: August 31, 2015, 01:16:51 AM »
Logged
Pages: 1 2 3 4 5 [6] 7 8 9 10 11 ... 15
« previous next »