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Burn-in revisited |
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mrarroyo
Moderator Group Joined: 28 Jul 2008 Location: Miami Beach, FL Status: Offline Points: 1401 |
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First I would make sure all your connections are tight, including your headphones. Next if you are using the SMPS wall wart PSU I would make sure you ground the amp using the post on the back. Play a track you know well to make sure the distortion is or is not coming from the tracks you were playing. If you have a 2nd cd-player use it to feed the amp to check if the original cd player is performing right or not.
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Miguel
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wozdj
New Member Joined: 11 Oct 2011 Status: Offline Points: 3 |
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Thanks for your suggestions. I'm using an iPhone. I've converted my files to apple lostless versions and things seem much better although I have not tested these over a extended playback. All my connections are tight and I will look into grounding the amp. I'm currently using the green power supply that comes with the amp.
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tg [RIP]
Moderator Group Joined: 19 Jan 2008 Location: Sydney Status: Offline Points: 1866 |
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woz,
the amp will require a period of "burn-in" to reach maximum sound quality, but should not sound as you describe during that period. Sometimes new cables can have some lubricant residue on the connectors (or even occasionally a protective film of some kind) this can hinder proper electrical connection and cause something like you describe. If the problem continues you could try using some methylated spirit or an electrical contact cleaner product such as Caig De-oxit on all connectors. Should the problem continue to be evident, try wriggling the connectors whilst continuing to play music and see if this has any effect. With a quality amplifier like the Novo and reasonable phones any problems or lack of quality in the source material will be more noticeable, using ALAC or even Aiff should result in the best source material being available to your amplifier. Let us know how you go with it. |
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mrarroyo
Moderator Group Joined: 28 Jul 2008 Location: Miami Beach, FL Status: Offline Points: 1401 |
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How are you getting the music out of the iPhone? If via the headphone out you are amplifying the signal twice since the iPhone internal amp is in use. Doing so is not the best solution specially if you have the volume louder than 75% - 80%. A better method is a line out doc (LOD) which can be had for about $15, for example: http://www.ibasso.com/upimg/2008824205427.jpg
Of course you could go WILD and buy a Wadia or similar to extract the 0's and 1's out of the iPhone and send the signal to a dedicated external DAC which in turn would feed your amp. Yes it is a bit crazy but not all the way in that you could then get a dedicated linear and regulated PSU for the Wadia unit bringing the total price (sans iPhone nor the amp) upwards of $1,000 USD upwards (depending on the DAC). So go WILD and help the world economy!
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Miguel
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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8998 |
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Hi Wozdj, I plug my iPOD into an Onkyo NS-D1 digital dock (approx £130) and use my CD player's DAC. It may be worth trying that as the lossless/high bitrate music on your iPhone will sound much better than using the built in DAC and a cable. I suggest asking for a demo in a hifi shop.
As well as the Onkyo there is a new Cambridge Audio dock that seems to offers video out as well.
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Jon
Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC. |
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wozdj
New Member Joined: 11 Oct 2011 Status: Offline Points: 3 |
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I managed to get to the bottom of it. It was a faulty cable. I was using a black rhodium prelude musiclink and when you bent the jack end slightly the inference comes and goes. After emailing the company directly they sent a replacement the next day and the problem is solved. They seem like a very helpful company to deal with.
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J.Coade
New Member Joined: 29 Dec 2011 Location: Ottawa Canada Status: Offline Points: 13 |
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Hi everyone ,I recently bought V Era Gold unit , just wondering if I can speed up my burn-in process by using higher output cart .At present I have a Dynavector 10X5 at 2.5mV and an Ortofon Bronze at 5mV .These are on two separate TT's so no trouble fliping phono IC 's. Happy New Year Jim |
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