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Hiss / buzz , how to get rid of?
#11
(19-Nov-2018, 08:49)NickB Wrote: Or an AT-33sa cartridge Greg


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It’s not the cartridge that generates the hiss, it’s the D phonostage. Output from AT-33sa is 0.4mV. Kontrapunkt B is 0.47mV Tongue
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#12
(20-Nov-2018, 12:25)Greg Wrote:
(19-Nov-2018, 08:49)NickB Wrote: Or an AT-33sa cartridge Greg


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It’s not the cartridge that generates the hiss, it’s the D phonostage. Output from AT-33sa is 0.4mV. Kontrapunkt B is 0.47mV Tongue

Not on mine......... Angel
UK kit - Technics SP10 - Technics EPA-501  - AT33SA - NUC5i3 - W10 - Roonserver - Roon AIR - Devialet 1000 Pro CI - Blue Jeans Speaker Cable (0.5 metre each side) - Magico S5

Spain kit - NUC7i5 - W10  - Roonserver - Roon AIR - Devialet D250 Pro CI - Blue Jeans Speaker Cable - Ergo IX speakers
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#13
Hiss is there even if the turntable is not connected to Devialet and phono is set to 0,3mV. It is easy to hear from listening spot from volume -30, -10 it is already quite annoyins hiss. Typical volume I use is -10.
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#14
No hiss here use SUT . And noo wifi ,only cabling.
AVM  8.3  Rosso volterra 2 ,speaker cable and other cable audio note , turntable tt2 de luxe , caridge clearaudio carisma mm, primare bd mrk 2 shyunata power generator,
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#15
(20-Nov-2018, 18:10)Waiski Wrote: Hiss is there even if the turntable is not connected to Devialet and phono is set to 0,3mV. It is easy to hear from listening spot from volume -30, -10 it is already quite annoyins hiss. Typical volume I use is -10.

What happens if you use shorting plugs on the phono input? (i.e. a direct connection between signal pin and ground in the RCA plug) Is the hiss still there?
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Devialetless!
Roon, ROCK/Audiolense XO/Music on NAS/EtherRegen/RoPieee/USPCB/ISORegen/USPCB/Sound Devices USBPre2/Tannoy GOLD 8
250 Pro CI, MicroRendu(1.4), Mutec MC-3+USB
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#16
(21-Nov-2018, 12:13)ogs Wrote:
(20-Nov-2018, 18:10)Waiski Wrote: Hiss is there even if the turntable is not connected to Devialet and phono is set to 0,3mV. It is easy to hear from listening spot from volume -30, -10 it is already quite annoyins hiss. Typical volume I use is -10.

What happens if you use shorting plugs on the phono input? (i.e. a direct connection between signal pin and ground in the RCA plug) Is the hiss still there?
Need to try. I don't have shorting plugs so need to buy first.
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#17
Waiski it Don,t Sound normal have you talk vith your dealer, it Sound that your devialet has a ploblem , What you say it is not normal, i have before i get a transformer , a little hiss , after i connect transformer and use MM indput (must be that When you use a transformer ) i have almost no hiss i Can play -10 and from my Seat i Can Not hear Any hiss .
AVM  8.3  Rosso volterra 2 ,speaker cable and other cable audio note , turntable tt2 de luxe , caridge clearaudio carisma mm, primare bd mrk 2 shyunata power generator,
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#18
(21-Nov-2018, 20:26)Waiski Wrote: Need to try. I don't have shorting plugs so need to buy first.

No need to buy if you have a cheap RCA cable in a drawer. Just cut it, remove some isolation and twist signal and ground together.
   
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Devialetless!
Roon, ROCK/Audiolense XO/Music on NAS/EtherRegen/RoPieee/USPCB/ISORegen/USPCB/Sound Devices USBPre2/Tannoy GOLD 8
250 Pro CI, MicroRendu(1.4), Mutec MC-3+USB
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#19
(21-Nov-2018, 21:40)ogs Wrote:
(21-Nov-2018, 20:26)Waiski Wrote: Need to try. I don't have shorting plugs so need to buy first.

No need to buy if you have a cheap RCA cable in a drawer. Just cut it, remove some isolation and twist signal and ground together.
Thx for the tip! I'll try that tomorrow.
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#20
Be aware. The more sensitive your speakers, the more promenant the hiss will be. My speakers are 90dB sensitive. I have to accept that Devialet designed their phonostage anticipating speakers with less sensitivity.

I’ve not tried the shorted plug test but have them readily available so I’ll give it a go tomorrow. Not sure what this will tell us other than what we already know. The D phonostage is basically noisy.
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