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Old 11-24-2017, 05:40 PM
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Default How much noise is acceptable when no music is playing?
How much noise is acceptable from your Mc amps when no music is playing?
If I leave my Mc setup on I get a quiet hiss, I'm not too sure how to get rid of it. My power is filtered, I swapped the stock power cable for a shunyata which made no change to this quiet hiss; if I turn the preamp off it's slightly better, but leaving the amp on alone still has a light hiss coming from the tweeter.

It's not bad, I'm just wanting to reduce the noise floor of my room.
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Old 11-24-2017, 05:48 PM
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Which amp?
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Old 11-24-2017, 05:52 PM
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Mc8207
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Old 11-24-2017, 05:53 PM
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How far away from your speakers do you still hear the hiss? Usually it's the tweeter that offends the most in most systems. With mine you can hear within a foot, maybe a foot and a half. Putting a WW Platinum Electra PC on my preamp made a significant difference over the stock PC.
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Old 11-24-2017, 06:08 PM
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I don’t hear any hiss from my MC402 amps with a C2300 tube preamp until it’s over 60 (obviously with no music playing). I hardly ever listen to my system above 50.
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Old 11-24-2017, 06:09 PM
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I don't have any hiss on my McIntosh setup either unless I put my ear up to the tweeter and turn the volume up. Nothing has ever been audible from anywhere close to the listening postition

- Buck
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Old 11-24-2017, 06:10 PM
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3 feet. Anything past that and the air conditioner and radon fan is louder. My other project is to put sound proofing between me and the utility room.

Good to know this is just normal noise.
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Old 11-24-2017, 06:16 PM
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Quote:
Originally Posted by Mouse View Post
3 feet. Anything past that and the air conditioner and radon fan is louder. My other project is to put sound proofing between me and the utility room.

Good to know this is just normal noise.
Yes, some hiss is normal. What I describe BTW is with the volume cranked 100%.
__________________
Primary System (Always in flux):
Analog Source: Rega RP10
Phono Preamp: Bryston BP2/PS3
Digital Software: Roon, Tidal Streaming
Digital Music Server: Melco N1A/2
Digital Sources: Totaldac d1-twelve SE MkII (factory upgraded from MKI) with "live power" 4 output power supply, Oppo UDP-205
Preamplifier: Rogue Audio RP-9 (factory upgraded from RP-7)
Amplifier: Vandersteen M5-HPA
Speakers: Vandersteen Quatro Wood CT w/IsoAcoustics Gaia 1 feet
Cabling: WW Platinum Starlight 7 digital wires, Totaldac Gigafilter USB filter, AQ Sky XLR, AQ Fire RCA
Speaker Cables: AudioQuest Oak spades ---> bi-wire spades
Power Cables: Esprit PC (for DAC), 2 WW Platinum Electra PC (Preamp/Phono Preamp), AQ NRG10 (Melco N1A/2), AQ Blizzard (Quatro Wood CT built-in subs)
Power Conditioning: 2 AQ Niagara 1000, 3 Oyaide R1 outlets
Sound Treatments: 23 ASC Tube Traps and 10 Panels
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Old 11-24-2017, 06:26 PM
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Mine is with the preamp off, so I wasn't cranking it to 100%.
At 100% with my amp and preamp on which is 94.5 or something, I heard noise still 30 ft away, and it's still audible down the hall.
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Old 11-24-2017, 06:31 PM
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I have my MC8207 connected to my MX136 via all XLR cables in my HT room. It is dead quite.
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