Re: [SlimDevices: Audiophiles] Many records have a constant peep at ~16KHz, what is it?

2012-02-25 Thread Phil Leigh

Bytec;692487 Wrote: 
 Thank you for your answer.
 
 It is sad that recording companies do such a sloppy work.
 They should have mandatory hearing tests otherwise they can't do their
 job properly.
 
 I have a normal hearing and I really do hear these technical flaws ...
 The same flaws are also audible in the sound of many movies.

It is an age-related thing and also it depends on much loud noise you
have been exposed to during your life. Most musicians have top-end
loss, in some cases it can be severe. Over 40 or so being able to hear
15Khz is unusual.


-- 
Phil Leigh

You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...
Touch(wired/W7)+Teddy Pardo PSU - Audiolense 3.3/2.0+INGUZ DRC - MF M1
DAC - Linn 5103 - full Aktiv 5.1 system (6x LK140's,
ESPEK/TRIKAN/KATAN/SEIZMIK 10.5), Pekin Tuner, Townsend
Supertweeters,VdH Toslink,Kimber 8TC Speaker  Chord Signature Plus
Interconnect cables
Stax4070+SRM7/II phones
Kitchen Boom, Outdoors: SB Radio, Harmony One remote for everything.

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Re: [SlimDevices: Audiophiles] psycho acoustics: the nightmare of listening tests

2012-02-25 Thread TheOctavist

NoRoDa;692422 Wrote: 
 How did you manage a double blind test with stock PSU and linear?
 Had to be difficult to arrange?
 
 REGArds


ill post the details in a bit!


-- 
TheOctavist

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Re: [SlimDevices: Audiophiles] psycho acoustics: the nightmare of listening tests

2012-02-25 Thread Mnyb

I remember a user named iPhone doing ADM measurements on the analog out
of the old SB3 using stock or linear psu and the output signal was
identical in either case.

No one done that for Touch but I suspect similar results .

Some thinker suspect that audibility of PSU is down to it's interaction
with the rest of your hifi if your switcher is disturbing amps or DAC
for example ?

So it's hard to get universal results here, add many cult designers
affection for design principles that makes equipment more susceptible
to these kinds of problems that would not bother normal equipment ?

OT:
I think modding here and there does not accomplish as much, the device
must be correctly designed from the ground up improve one detail and
you face the next bottleneck,

Hence the external DAC route :) 

I have an 3rd party PSU I bought to my SB3 it fits the Touch too , SB3
in Eu came with a really shoddy PSU , I suspected it did not even
conformed to standards ? The late logitech SB3 and Touch comes with an
much better switcher ( if you can believe that ).


-- 
Mnyb


Main hifi: Touch + CIA PS +MeridianG68J MeridianHD621 MeridianG98DH 2 x
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Re: [SlimDevices: Audiophiles] Best way of getting from SB to speakers

2012-02-25 Thread AlexM

Back to the original poster's question, it would be good if Jaime could
tell us a little more about which Tannoy speakers he has, what size
room they are being used in, and what type of music he listens to.

Classical typically has much greater dynamic range than pop or rock,
and given that there is little need to provide huge dynamic headroom to
cope with peaks. IMO it is better to optimise the system around the
volume level required in the room with the typical programme material
to be used.

My recommendation for the Rogue Chronus is based on it being a good
sonic match for the SBT and Tannoys, as well as being a simple to use
solution, but I suggest that the OP listens to a few amps before making
a decision on integrated, pre/power or power amp only set ups for his
system.

Personally I think the SBT analogue outputs sound a little thin and two
dimensional compared to my DAC so I think the preamp isn't going to be
holding the sound back.

Regards,
Alex


-- 
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Re: [SlimDevices: Audiophiles] Many records have a constant peep at ~16KHz, what is it?

2012-02-25 Thread garym

Bytec;692487 Wrote: 
 
 I have a normal hearing and I really do hear these technical flaws ...
 The same flaws are also audible in the sound of many movies.

I'd say you are lucky enough to have well above average hearing (or are
under 30). Too many front row rock concerts in the 60s and 70s (The Who
surely did my hearing in) and normal age related high freq hearing loss
would make hearing these flaws impossible for me. 

Recall the high freq ring tones that high school students were using.
Students could hear just fine but 30+ teachers were oblivious.   ;-)


-- 
garym

*Location 1:* VB Appliance 6TB (1.10)  LMS 7.7.1  Transporter, Touch,
Boom, Radio w/Battery (all ethernet except Radio)
*Location 2:* VB Appliance 3TB (2.0)  LMS 7.7.1  Touch  Benchmark
DAC I, Boom, Radio w/Battery (all ethernet except Radio)
*Office:* Win7(64)  LMS 7.7.1  SqueezePlay
Retired: SB3, Duet Receiver
Controllers: iPhone (iPeng), iPad (iPengHD  SqueezePad), CONTROLLER,
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Ripping (FLAC) - dbpoweramp, Additional Tagging - mp3tag

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Re: [SlimDevices: Audiophiles] Best way of getting from SB to speakers

2012-02-25 Thread Mnyb

Best Bang for buck is integrated Amps , nowadays preamps are not doing
much once they had phono section mm and mc tone  controls  and stuff .

Input selector and volume can reside in the amp , you may optimise the
amp for this and for modest power this can actually be better !
separate pre and power only becomes necessary these days when it's
start to outgrow the box with powerful amps.

Box and PSU cost more than one thinks to do.

I do not have any experience with big Tanoy speakers thou


-- 
Mnyb


Main hifi: Touch + CIA PS +MeridianG68J MeridianHD621 MeridianG98DH 2 x
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Re: [SlimDevices: Audiophiles] Many records have a constant peep at ~16KHz, what is it?

2012-02-25 Thread Mnyb

He found a pop record with cellphone interference in the fade out of a
track :-/

Yes ageing I can still here slightly above 15k but not much .

But on the other hand we can save disc space by resampling to 32kHz ;)


-- 
Mnyb


Main hifi: Touch + CIA PS +MeridianG68J MeridianHD621 MeridianG98DH 2 x
MeridianDSP5200 MeridianDSP5200HC 2 xMeridianDSP3100 +Rel Stadium 3
sub.
Bedroom/Office: Boom
Kitchen: Touch + powered Fostex PM0.4
Misc use: Radio (with battery)
iPad 64gB wifi +3g with iPengHD  SqueezePad
(in storage SB3, reciever ,controller )

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Re: [SlimDevices: Audiophiles] Many records have a constant peep at ~16KHz, what is it?

2012-02-25 Thread Bytec

garym;692525 Wrote: 
 I'd say you are lucky enough to have well above average hearing (or are
 under 30). Too many front row rock concerts in the 60s and 70s (The Who
 surely did my hearing in) and normal age related high freq hearing loss
 would make hearing these flaws impossible for me. 
 
 Recall the high freq ring tones that high school students were using.
 Students could hear just fine but 30+ teachers were oblivious.   ;-)

My age is 30 now, but I hear well above 16KHz.

All my life I've tried not to damage my hearing by avoiding too much
exposure to loud sound. I hate ringing in my ears after a loud
event...
Sometimes I wear ear plugs.

I do sometimes look at the spectrograms of recordings to confirm what I
hear but not the other way around.


-- 
Bytec

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Re: [SlimDevices: Audiophiles] Many records have a constant peep at ~16KHz, what is it?

2012-02-25 Thread Mnyb

Bytec;692534 Wrote: 
 My age is 30 now, but I hear well above 16KHz.
 
 All my life I've tried not to damage my hearing by avoiding too much
 exposure to loud sound. I hate ringing in my ears after a loud
 event...
 Sometimes I wear ear plugs.
 
 I do sometimes look at the spectrograms of recordings to confirm what I
 hear but not the other way around.

That's very wise, it is usually hard to convince youngsters that you
should where earplugs at work etc and you never ever pull them out in a
noisy environment.

Try telling an 18 yo old to wear his earplugs they are more likely to
increase the volume on the iPod to mask the noise :-(


-- 
Mnyb


Main hifi: Touch + CIA PS +MeridianG68J MeridianHD621 MeridianG98DH 2 x
MeridianDSP5200 MeridianDSP5200HC 2 xMeridianDSP3100 +Rel Stadium 3
sub.
Bedroom/Office: Boom
Kitchen: Touch + powered Fostex PM0.4
Misc use: Radio (with battery)
iPad 64gB wifi +3g with iPengHD  SqueezePad
(in storage SB3, reciever ,controller )

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[SlimDevices: Audiophiles] speaker placement

2012-02-25 Thread tank121

Jusr moved my Dali mentor menuets a further 12 inches towards the side
walls. will this have a major negative effect or will it improve the
stereo imaging and soundstage ? Its quite a narrow room


-- 
tank121

Squeezebox touch
Squeezeplug running on Dockstar
Audiolab MDAC
Arcam A85 amp
Chord rumour speaker cable
Dali Mentor Menuets on Custom Design stands

Room 2 
Boom

Bedroom
RADIO

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Re: [SlimDevices: Audiophiles] speaker placement

2012-02-25 Thread audiomuze

what do your ears tell you?


-- 
audiomuze

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Re: [SlimDevices: Audiophiles] speaker placement

2012-02-25 Thread rgro

12 inches is a lot to move them all at once.  But, really, the only one
that can answer your question is you.  Move the speakers too far apart
and you may (I repeat, may) lose imaging---or you may improve it.

Most folks use certain tracks---especially ones with a clear center
voice---a la Diana Krall, etc.) so that you can relatively easily
determine whether a voice that's supposed to be hovering in
mid-air/centered between your speakers actually does.  I've certainly
found that an inch or so will make a definite and noticeable difference
in pulling a voice off to one side or another (assuming the listening
position is also centered).  The other variable here is that not all
recordings put the main instrument or voice dead-center, so you have to
watch that so you don't precisely and lovingly place your speakers using
a recording that's not centered and then have the other 90% of your
recordings sound off.

Best thing to do, if you can, is start with your listening position at
an equal distance from each speaker if possible.  There are
mathematical computations you can do to set speaker and listening
distance separation if you prefer something more empirical.  I believe
Cardas has a computational method out there on the web somewhere if you
search. However, rooms are different and even the mathmatical models may
only provide you a starting point.  Having a laser measurment device or
the cheap alterntive: string (but it's stretchy) helps in order to get
some precision.

If your chosen starting point isn't satisfactory, move the speakers
inward or outward an inch at a time until the voice starts to move
off-center and/or you start to feel the soundstage getting constricted.
You can also experiment with toeing the speakers in--again in
increments.  Your particular speakers may have a wide or very narrow
band of positioning in which they will project a nice spacious image
with a voice remaining centered.  Again, only experimentation will
tell.

Last thing I can say is that it can take a lot of time (and a bit of
frustration) to get it right---definitely helps to have a willing
partner.
I find I get listening fatigue after an hour or two and, if you think
you've got it right and aren't 100% convinced, sometimes it helps to
wait overnight and come back to it the next morning after you're ears
are refreshed.


-- 
rgro

Rg

System information

Main: PS Audio Quintet  Vortexbox  Teddy Pardo PS, Touch (wired) 
Toslink  Rega DAC  LFD LE IV Signature amp  VA Mozart Grands  REL
Acoustics R305.  

Home Theatre:  Duet/SBR (Wired)  Pioneer VSX 919  Energy Take 5
Classic 5.1.

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Re: [SlimDevices: Audiophiles] speaker placement

2012-02-25 Thread Daverz

I would try moving the speakers further away from the side walls.  Also,
you might want to look into some acoustic panels for the first
reflection points on the front and side walls.  ATSacoustics makes very
cost-effective panels.

http://www.atsacoustics.com/


-- 
Daverz

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Re: [SlimDevices: Audiophiles] speaker placement

2012-02-25 Thread TheOctavist

here

http://www.realtraps.com/art_room-setup.htm

http://www.tnt-audio.com/casse/waspe.html

http://www.audioasylum.com/audio/faq/audiophysic.html

http://www.cardas.com/content.php?area=insightscontent_id=26pagestring

http://gikacoustics.com/room_setup.php


-- 
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VortexboxSBT(stock)Forssell MDAC-2Klein and Hummell 0300D

Sota Sapphire/Lyra KleosBespoke Valve Phono StageMastersound Due
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Re: [SlimDevices: Audiophiles] Best way of getting from SB to speakers

2012-02-25 Thread TheOctavist

get active speakers.

they are superior to passive speakers. then go from SBTspeakers. 

sorted.


-- 
TheOctavist

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Re: [SlimDevices: Audiophiles] Theoretical benefits to hi-res if only max 20kHz signal?

2012-02-25 Thread Wombat

Hi Mnyb i just realized today that your signature must have changed
lately. Isn´t it?
Using new Meridian DSP is like cheating! No wonder you don´t hear a
difference with transports. These babies simply seem to work :) 
Congrats for the purchase!


-- 
Wombat

Transporter (modded) - RG142 - Avantgarde Acoustic based 500VA
monoblocks - Sommer SPK240 - self-made speakers

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Re: [SlimDevices: Audiophiles] new Decca and DG High Res downloads..

2012-02-25 Thread Daverz

Not available in the United States.


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