HDTenEightyP/NetNews huggingface dataset:
From: chiu@gpb-mac.sps.mot.com (Norman Chiu)
Subject: Re: questions on new digital formats
Followup-To: rec.audio
Organization: Motorola Inc.
Date: Fri, 18 Dec 1992 19:31:11 GMT

In article <lisfn9INNgm@exodus.Eng.Sun.COM>,
drp@reed.Eng.Sun.COM (Darrell Parham) wrote:
> 
> I have some questions about the new recordable digital formats
> (MD, DCC, DAT):
> 
> - The claim is that you can play analog cassettes in DCC
>   machines. Can you also record analog cassettes in DCC
>   machines? I would like the capability of recording
>   cassettes for friends who might not have DCC yet?

No. DCC decks can only play analog cassettes, not record them.

> - I am under the impression that a magnetic format like
>   tape will degrade over time, while this isn't much of
>   a problem with an optical format like CD's.
>   Do people generally agree with this?

Yes, magnetic tapes will degrade over time.

>   How do the Mini-Disks fare in this respect?

A lot better.  Mini-Disc is impervious to magnetic fields unless
it it heated to 400 degree C.  So an ordinary magnet cannot erase
the bits of MD in room temperature.
Also, MD is read by a laser, just like CD.  This non-contact
measurement technique won't add wear&tear to MD so its bits
can last for a long time.


   /|   /  chiu@gpb-mac.sps.mot.com  | Norman Chiu - Motorola Inc.
  / |  / ___________________________ | "We never gonna survive
 /  | / /  / /__/  /\/\   /_\   /| / |  unless we get a little
/   |/ /__/ /   \ /    \ /   \ / |/  |  crazy"       - Seal
From: msiegall@OAVAX.CSUCHICO.EDU (MARC SIEGALL)
Newsgroups: rec.audio
Subject: Thanks
Date: 17 Dec 92 00:33:19 GMT
Reply-To: msiegall@OAVAX.CSUCHICO.EDU
Organization: California State University, Chico
NNTP-Posting-Host: oavax.csuchico.edu

Thanks to all of you who sent private e-mail or postings on my questions
regarding speakers, CDs in cars, and CD lens cleaners!
******************************************************************************
Marc Siegall                     MSIEGALL@OAVAX.CSUCHICO.EDU
Department of Management
California State University      (916) 898-5421
Chico, CA 95929-0031
******************************************************************************
Newsgroups: rec.audio
From: tranhun1@elof.iit.edu (Hung Q. Tran)
Subject: ANY RECOMMENDATIONS ON SONY D-34 PORTABLE CD PLAYER?
Organization: Illinois Institute of Technology, Chicago
Date: Mon, 21 Dec 92 07:05:53 GMT

i saw the sony d-34 cd player on sale for 119? is it good.  i'd like 
hi's.  does this have a treble control or is there only a bass 
boost switch?  

thanks

jim

Newsgroups: rec.audio,rec.music.cd
From: lairdb@crash.cts.com (Laird P. Broadfield)
Subject: Re: MiniDiscs -- What Are They?
Organization: "Well, a head on top, an arm on each side, two legs...."
Date: 17 Dec 92 18:56:12 GMT

In <1992Dec17.015245.2628@tc.cornell.edu> stevan@alchemy.tn.cornell.edu (Stevan Vidic) writes:

>The latest from 3M is a 3.5" magneto-optical diskette called FLOPTICAL.
>It looks *identical* to the 3.5" floppy diskette, but it can store 21 MB
>of data and it does require a special MO drive (of course).

This is incorrect; the floptical is not MO.  The floptical has optical
calibration tracks on the bottom, used for ultra-precise (comparatively)
positioning of the conventional r/w head on the top.  It is, in other 
words, a conventional floppy with oodles of very narrow tracks, using 
an optical system for head positioning.


-- 
Laird P. Broadfield     lairdb@crash.cts.com    ...{ucsd, nosc}!crash!lairdb
Hi!  I'm a shareware signature!  Send $5 if you use me, send $10 for manual!
Newsgroups: rec.audio
From: palane@iastate.edu (Paul A. Lane)
Subject: Re: What would you get for $1500? Bookshelf system?
Organization: Iowa State University, Ames IA
Date: Tue, 15 Dec 1992 22:25:11 GMT

In <1g2s5iINNads@iskut.ucs.ubc.ca> twong@civil.ubc.ca (Thomas Wong) writes:

>Hi all. I'm getting a number of replies saying that for my bedroom (a
>small room), I should get myself one of those bookshelf mini systems and
>save myself the money for components for my big systems. They say the
>difference between a bookshelf system and a $1500 systems is minimal.

I think you can do better with a "best of breed" system. Mainly because
bookshelf systems generally have mediocre speakers. For example, I'd avoid
getting the cheap double cassette decks available with the bookshelf systems
and put the extra money into decent speakers. If you need a cassette deck,
add one later.

You mentioned <$1000. Okay. Here's a possibility which I noticed at a local
Wal-Mart. (Note to all: I'm avoiding higher priced components in order to
demonstrate the possibilities. I buy my components from mid-range dealers.)
Sony A/V receiver with all the trimmings: $280. Sony carousel CD Player
(again, very nice): $200. The remaining $520 can buy an excellent pair of
speakers from the dealer of your choice depending upon your taste. If need
be, toss in $100 for a cheap cassette deck.

Now, you can choose a system which fits your musical tastes most closely.
Instead of being locked into the speakers coming with the system, shop around
a little. Bring a couple of your favorite albums. You'd be surprised what
differences there are in speakers. There are a lot of companies which make
very good speakers for less then $500.

>You can't hear the difference especially in the bedroom. And I can get a
>good Sony bookshelf for less than $1000 all included. ANd I might like
>some of the extra functions that these cheaper systems come with
>(thrills and gimmicks). Get a Pro logic bookshelf system. Buy a decent
>pair of speakers for the main and use the ones with the bookshlf for the
>surround speakers and the system would be as good as a low end NAD,
>Denon, Nak...etc. What do you all think?

Naah. The speakers that came with the bookshelf unit will be crummy. Check
out the specs on the amp. You might be surprised at the distortion for
deen power levels.

Paul

Newsgroups: rec.audio
From: slr3e@Virginia.EDU ("Stacy Lee Roach")
Subject: Re: Receiver recommendations (up to $250)?
Organization: University of Virginia
Date: Mon, 14 Dec 1992 21:59:47 GMT

A good friend of mine had the Yamaha receiver that you
mentioned.  The receiver was very impressive for a receiver
with only 45 watts.  He had a pair of infinity reference four
speakers ( which sound great with most any receiver) and the
receiver had no problem driving the speaker.  If your looking
for a quality receiver without a huge pricetag you can't go
wrong with the Yamaha.
				slr3e.virginia.edu 
Newsgroups: rec.audio
From: nau@ssesco.com (William Nau)
Subject: Re: Digital-to-Digital copying
Organization: SSESCO
Date: Mon, 14 Dec 1992 21:50:52 GMT

Bill Sohl writes;
>Now as to the legality of such equipmen, my understanding is it is OK
>for "professional audio folks," but not the common riffraf audiophile :-)
>Of course the determination of who is or isn't a pro has never been
>tested in any court as far as I know.

If it's legal for the pros, it's legal for common folk.  I don't believe
that they need special Federal liscenses to make copies.  Please correct
me if I am wrong, so I can bitch even more.

As long as I'm at it.  Suppose I feed the digital signal into my home
PC.  Is it illegal for me to clear those bits in my PC?  Can I then
send those bits off to another DAT (or any digital recording device)?
At what point is it wrong?  Does SCMS's existance make it illegal to
bypass it?  What exactly does the law (if there is one) say?  Forgive
me.  I know that all of this has been discussed before, but I guess 
some of us were asleep.
-- 
William R. Nau
Supercomputer Systems Engineering and Services Company (SSESCO)
511 11th Avenue South, Suite 216
Minneapolis, Minnesota 55415-1536
(612) 342-0003

nau@SSESCO.com
Newsgroups: rec.audio
From: brad@buck.viewlogic.com (Bradford Kellogg)
Subject: Re: Any Recommandations for Subwoofer around $300?
Originator: brad@buck
Organization: Viewlogic Systems, Inc.
Date: Tue, 15 Dec 1992 17:48:17 GMT


In article <1992Dec14.212429.15583%jim.uucp@wupost.wustl.edu>, mike%jim.uucp@wupost.wustl.edu (Mike S.) writes:
|> laufer@math.luc.edu (Konstantin Laufer) writes:
|> 
|> >In article <1992Dec13.105318.12003@noose.ecn.purdue.edu>, leejun@stable.ecn.purdue.edu (Jun H Lee) writes:
|> >> Could anyone recommand nice subwoofer for around $300?
|> 
|> >I'd be interested, as well.  I have an NAD 7240 receiver and Celestion
|> >3 speakers.  Thank you,
|> 
|> If you all are talking about powered subs, I believe the only one
|> that comes close to this price range is the Yamaha 50 model, which
|> is around $350, I believe.  Their model 100, which is more powerful
|> and has a lower cutoff, is about $100 more.
|> 
For a non-powered subwoofer, Celestion makes one for $259. It includes 
a crossover and is designed for use with the Celestion 1, 3, and 5. It 
will, of course, work with any other satellite.
Newsgroups: rec.audio
From: dj@pixar.com (Dennis Jennings)
Subject: Dealings with 6th Ave. Electronics
Originator: dj@valkyrie.pixar.com
Organization: Pixar -- Point Richmond, California
Distribution: usa
Date: Wed, 16 Dec 1992 18:35:53 GMT

I would appreciate any comments (negative or positive) about any transactions
you may have had with 6th Ave. Electronics. I have dealt with them, both at 
their retail location in NYC and their mail order department in New Jersey.
My experiences were not particularly pleasant and I'd like some input from
other customers before I proceed in my battle with them. Thank you.

dj@pixar.com



Newsgroups: rec.audio
From: janik@gfx.engga.uwo.ca (Janik Joire)
Subject: SCMS around the world...
Organization: University of Western Ontario, London
Distribution: all
Date: Wed, 16 Dec 1992 07:55:16 GMT


	Here is an interresting question (I hope): are consumer DAT/DCC/MD
units sold with SCMS in every country? It seems that the US is the only nation
with a law actually "enforcing" SCMS :-) The Sony TCD-D3 portable DAT decks
sold in Europe, for example, seem identical to mine (purchased in Canada) so
I assume these also implement SCMS although there is no law to enforce it
over there (I believe). What about Japan?

				Janik

-- 
-------------------------------------------------------------------------------
Janik Joire                          The University of Western Ontario, Canada
Programmer / Systems maintenance                        Faculty of Engineering
-------------------------------------------------------------------------------
From: brad@buck.viewlogic.com (Bradford Kellogg)
Newsgroups: rec.audio
Subject: Re: Do I really need 200W?
Date: 14 Dec 92 16:37:09 GMT
Organization: Viewlogic Systems, Inc.
Originator: brad@buck


In article <1992Dec14.132035.2420@discus.technion.ac.il>, sorin@techunix.technion.ac.il (Goldenberg Sorin) writes:
|> What's the difference between the P.M.P.O and R.M.S power ratings ?

P.M.P.O. - Purely Meretricious Product Obfuscation
R.M.S. - Really More Sincere

- BK
From: jeh@cmkrnl.com
Newsgroups: rec.audio
Subject: Re: Magneplanars again...from he who wishes to know.
Date: 14 Dec 92 21:04:04 PST
Organization: Kernel Mode Consulting, San Diego, CA

In article <sikorsky.724348270@ee.ualberta.ca>, sikorsky@ee.ualberta.ca 
(Mike Sikorsky) writes:
> Phew!  Such high praise!  Maybe I do trust my ears now...

Maggie owners tend to LOVE their speakers.  

I used to love mine.  

However I've since switched back to cones (Vandersteen 2ci, later augmented
by the 2w subwoofer).  

I really like the soundstaging and "transparency" that Magnepans deliver.  
However... as Corey Greenberg put it recently in _Stereophile_:  Panel speakers
don't rock, and never will.  

Translated, this means that they compress dynamic range.  

I found myself having to run the Magnepans at much higher volume levels than I
was used to just to get the same "impact" out of the music. 

But if you listen to nothing but chamber music, you'll never notice the
problem. 

(Also I got a little tired of a "sweet spot" that was only about 2" wide.)

	--- Jamie Hanrahan, Kernel Mode Consulting, San Diego CA
Internet:  jeh@cmkrnl.com, hanrahan@eisner.decus.org, or jeh@crash.cts.com
Uucp:  ...{crash,eisner,uunet}!cmkrnl!jeh
From: rg@kunikpok.UUCP (R.G. Keen)
Newsgroups: rec.audio
Subject: Re: Sovtek tubes.
Date: Wed, 16 Dec 92 06:57:08 CST
Organization: Kunikpok Kennels and Komputers (Pet Project)

> with a plate supply voltage of 620VDC.  It turns out that this is a
> pretty rotten idea because a) the output transformers are really
> only good for about 35W, b) 620VDC is a hell of a lot of B+ for a
> 6550, and c) the specified power transformers 1000VCT produce about
So - did the amp work or not?
> (Despite protestations to the contrary, my research shows that
> choke-input filters have some real advantages.  In fact, in the
> old days, capacitor-input filters were considered to be distinctly
> second-rate.  Part of the problem was due to poor peak current
> capacity of vacuum diodes, rendering large capacitor-input
> filters impractical.  What seems to be poorly appreciated these
> days is that low-resistance silicon diodes in full-wave, center-
> tapped circuits driving large capacitor-input filters put a
> tremendous strain on plate transformers designed for vacuum diode
> service.  Informed comments appreciated.  Flamers, take a leap.)
You are right on the inductor input filters. Much better, just heavy and 
expensive. The Si rectifiers DO strain transformers by having high peak 
currents. A semi-good way to fix this is to rectify with SI and put in 
series limiting resistance or a vacuum rectifier after the Si diodes to 
soften things up a bit.
> 
> 
>    1) Is the effective 10,800 Ohm load per tube reasonable?
The effective load per tube is half the plate to plate in push-pull, 2700
ohms
>    2) Do I lose a lot of bandwidth compared to pentode mode?
>    3) Are the Sovtek 5881/6L6WGC's advertised by New Sensor
>       any good for hi-fi applications?
>    4) What is the "Russian KT66" sold by VTL?
> 
>    Thanks.
> 
> -Henry
>    


Newsgroups: rec.audio
From: joe@avs.com (Joe Peterson)
Subject: Re: DAC to ADC components? Snake Oil??
Organization: Advanced Visual Systems Inc.
X-Newsreader: TIN [version 1.1 PL8]
Distribution: rec.audio, sci.electronics
Date: Wed, 16 Dec 1992 15:12:27 GMT

lenahan,grant f (gfl@herahera.cc.bellcore.com) wrote:
: > My system consists of a Carver CT-6 pre-amp
: > tuner, Carver TFM-25 amp, KEF 104.2 speakers.  I am an EE by training
: > and do understand the technical aspects of these designs, but I can't 
: > help being scheptical about the added benifit of such devices, since
: > it appears that the audio world is approaching the limits of our 
: > perceptability.

: You mix two statements.  One a question of absolute quality,
: one of perceptability and/or value judgement.  I can never
: help you define the latter; its _your_ value judegment.
:   

Havn't you ever read "Zen and the Art of Motorcycle Maintenance"?
If so, you'll know that "absolute quality" cannot be defined either.
But seriously, isn't quality in audio really just what sounds best?

						Joe
From: chrisc@gold.gvg.tek.com (Chris Christensen)
Newsgroups: rec.audio
Subject: Re: Power for the center channel?????
Date: 11 Dec 92 17:44:18 GMT
Distribution: na
Organization: Grass Valley Group, Grass Valley, CA

In article <71351@cup.portal.com> gb@cup.portal.com (Greg A Buechler) writes:
>I recently was told that the center channel gets only mid and high frequency
>signals, so that using the same speaker for the center as you use in the
>front(s) is _not_ required.

Wrong,  see below!  You can test this on your home unit by connecting
the center channel speaker output to either the left or right
speaker,  an amplifier that doesn't have an equal wattage amplifier
for the center channel may in fact have band limiting.  Don't confuse
this with that is right or correct.

>If this is the case, then the best speaker would be one with excellent mid
>and high responses.  Any ideas on this one?  

The best choice for a center channel speaker is one that is identical
to the Left and right speakers.  If this is impossibleor impractical
then use the phantom center mode or go ahead and use the compromise
speakers designed for this use.

I don't know about all of the consumer systems on the market.  What I
do know about is the commercial installations in theaters.  Also the
sound recording for Dolby Stereo releases.

All of the processes of recording and playback in the
commercial/professional levels of Dolby Stereo (multi channel theater
sound) use full bandwith left, center and right channels.  It is my
opinion that small size center channels and this bandwidth restriction
of the center channel myth is based only on the home theater
speaker/equipment designs to meet the aesthetic and architectural
aspects of the home theater.
-- 
Chris Christensen                  The opinions I express are my own,
chrisc@gold.gvg.tek.com            and sometimes they are wrong!
916-478-3419 FAX 916-478-3887      After all, I *AM* only human.
Newsgroups: rec.audio
From: billn@hpcvaac.cv.hp.com (bill nelson)
Subject: Re: Hopefully New MD Questions
Organization: Hewlett-Packard Company, Corvallis, Oregon USA
Distribution: rec.audio
Date: Sun, 13 Dec 1992 12:03:53 GMT

rsilvers@nynexst.com (Robert Silvers) writes:
: In article <1992Dec8.065649.13579@hpcvaac.cv.hp.com> billn@hpcvaac.cv.hp.com (bill nelson) writes:
: >
: >: Is the duplication of a regular CD to MD exact?
: >
: >As to sound, yes. As to exact, no. There is one bit in (each byte of?) the
: >data stream that is changed. I keeps you from using that copy to make other
: 
: 	Wrong.  As to sound, no.  As to exact, no.  MD does a five or six to one
: lossy compression.  It is not CD quality.  Should be good enough for cars, 
: boomboxes, FM radio taping, and walkmans.

That is what I meant - I am not sure what I was thinking with the first part 
of my response. I suspect that most people will not be able to tell the
difference - by listening. It certainly will not be an exact copy.

Bill
From: kfriedman@desire.wright.edu
Newsgroups: rec.audio
Subject: Re: television - speaker interference
Date: 11 Dec 92 18:58:16 EST
Organization:  Wright State University 

In article <1992Dec10.003747.21637@ns1.cc.lehigh.edu>, dfp1@ns1.cc.lehigh.edu (DANIEL FRANCIS PRATT) writes:
> 
>     Perhaps someone out there can help me with a question.  How close
>     can you place a television set to a speaker before they interfere
>     with each other?  Is there a general rule, or should I just experiment
>     on my own?  In case it helps, I'm dealing with a small (13'') TV and
>     a small bookshelf speaker.
> 
>     Thanks in advance,
>     Dan
> -- 
> 
> 
>               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>                 Daniel Pratt   ------   dfp1@Lehigh.EDU
> 
Da>               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dan,
My experience with this has shown me that you will just have to experiment. 
There is a wide difference in the sentsitivity of different sets to different
speakers.  There is no real rule of thumb.  good luck.

	Jay
From: Ted_Eugene_Viens@cup.portal.com
Newsgroups: rec.audio,sci.electronics
Subject: Re: Good deals on scopes?
Date: Fri, 11 Dec 92 22:21:36 PST
Organization: The Portal System (TM)

>
>I'm looking for a source for a reliable scope at a nice price. I'm looking
>for something that's feature-similar to the Tektronics 2200 line but in
>the $500-800 price range. I've seen ads for Elenco and some other $500
>scopes that claim to have the features and specs I want but I'm concerned
>about reliability. Brightness of the display is another concern of mine.
>My primary use will be audio, but I'd like a minimum of 20MHz for the
>occasional digital troubleshooting I do. Portability is desired.
>Anyone have experience with some of the lower-price scopes? Or, anyone have
>a clean used Tek or similar scope to sell in my price range?
>
I've used the 20 Mhz Elenco to monitor Headend cable modulation levels for
for a couple of years with no problems.  It is actually made by a Korean
company and sold under many brand names.  I would have no trouble in recomendin
g
it or the 35 Mhz delayed sweep model.  You could also check the surplus shops
(Tucker Elec., Rag Elec., etc.) for used HP and Tek 50 to 100 Mhz models at
about the same prices...
Good luck...  Ted..
From: paulz@hprdash.rose.hp.com (Paul Zeman)
Date: Thu, 17 Dec 1992 23:04:24 GMT
Subject: Re: Pink Floyd Set
Organization: HP Roseville Site Main Hub
Newsgroups: rec.audio

Maybe somebody could answer the central question regarding sound quality.
From: co940@cleveland.Freenet.Edu (Nicholas E. Damato)
Newsgroups: rec.audio
Subject: Re: How to tape a 1hr long pgm on an analogue tape deck...
Date: 18 Dec 1992 20:03:23 GMT
Organization: Case Western Reserve University, Cleveland, Ohio (USA)
NNTP-Posting-Host: hela.ins.cwru.edu


I have found that i can hook my VCR up to the radio and tape even
longer shows that way, and i can set it up to tape when i'm out.
assuming you have a VCR why don't you try that?
 
on 110min. tapes. I have used TDK MA110's before with no problems,
however i keep my deck pretty clean.
ned.
From: dk3y+@andrew.cmu.edu (David-Hyung Suk Kim)
Newsgroups: rec.audio
Subject: PROBLEM: Hooking up my system
Date: 13 Dec 92 19:55:15 GMT
Organization: Sophomore, Chemistry, Carnegie Mellon, Pittsburgh, PA


I have a pioneer vsx-4900s receiver and cerwin vega dx-7 speakers.  
Now the problem is that cerwin vega is rated at 4 ohms and the pioneer
receiver is to be used at 8 ohms.  I fear that hooking up these would
result in some damage to the receiver.  How can I fix this problem? 
Should I use my advents to hook up to my receiver along with cerwin
vegas?  Any suggestions would be appreciated.  

Thanks.

Dave
Newsgroups: rec.audio,rec.music.cd
From: stevan@alchemy.tn.cornell.edu (Stevan Vidic)
Subject: Re: MiniDiscs -- What Are They?
Organization: Alchemy International
Date: Fri, 18 Dec 1992 02:38:07 GMT

In article <lairdb.724618572@crash.cts.com> lairdb@crash.cts.com (Laird P. Broadfield) writes:
>In <1992Dec17.015245.2628@tc.cornell.edu> stevan@alchemy.tn.cornell.edu (Stevan Vidic) writes:
>
>>The latest from 3M is a 3.5" magneto-optical diskette called FLOPTICAL.
>>It looks *identical* to the 3.5" floppy diskette, but it can store 21 MB
>>of data and it does require a special MO drive (of course).
>
>This is incorrect; the floptical is not MO.  The floptical has optical
>calibration tracks on the bottom, used for ultra-precise (comparatively)
>positioning of the conventional r/w head on the top.  It is, in other 
>words, a conventional floppy with oodles of very narrow tracks, using 
>an optical system for head positioning.
>
>
>-- 
>Laird P. Broadfield     lairdb@crash.cts.com    ...{ucsd, nosc}!crash!lairdb
>Hi!  I'm a shareware signature!  Send $5 if you use me, send $10 for manual!


I don't dispute what you are saying.  I have never used flopticals and
only reported an ad for them I came accross in Computer Shopper.  I was
obviously misled by the advertisment.

"Removable M-O drives.
 Smart and friendly Flopticals are crash-proof.  Rewritable and removable
 21MB floptical is the same size as 3.5" ... SCSI interface included ..."

Thanks for clarifying the issue.

Regards,
Stevan
From: bad@pismo.sw.stratus.com (Bruce Dumes)
Newsgroups: rec.audio
Subject: Mobile Fidelity Vinyl For Sale!
Date: 18 Dec 1992 20:56:47 GMT
Organization: Stratus Computer, Software Engineering
Distribution: world
NNTP-Posting-Host: pismo.sw.stratus.com


Two Mo Fi LPs for sale in MINT shape:

Eagles          Hotel California MFSL $30
ELP             Pictures From An Exhibition MFSL $30



-- 
Bruce Dumes			| "Bruce is too obsessed with the Beatles"   |
Stratus Computer, Inc.		|   --comment on report card from Spring '64 |
bad@sw.stratus.com              
508-460-2816