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I tried the parametric once, it can work if done with care but you are filtering out a lot of music also, and it is a lot of work for a single record. Are you trying to enjoy the music or enjoy fiddling with the knobs?

For casual listening to 78s, I just listen to the noise and filter it in my brain. I'm used to it, and the insufficiencies of a great recording don't bother me nearly as much as insufficiencies of a performance.

joe salerno

Jan Myren wrote:
HI Again!

May it be an idea to take the signal from the Packburn into a paramertic
equaliser and try to reduce some of the surface noise that way??

Hope to hear from you...

Best regards

-----Opprinnelig melding-----
Fra: Association for Recorded Sound Discussion List
[mailto:ARSCLIST@xxxxxxx] På vegne av George Brock-Nannestad
Sendt: 22. mars 2009 02:44
Til: ARSCLIST@xxxxxxxxxxxxxxxx

From: Patent Tactics, George Brock-Nannestad

Hi everybody,

Jan Myren described his Packburn setup and seems quite satisfied. I did not know that it had an "undo RIAA" feature in its later versions, but I assure you that the Packburn switcher works even better if the treble is not rolled

of like RIAA does.

In cooperation with John R.T. Davies Ted Kendall has developed what they
used to call "the Mousetrap" that used components that were 25 years younger than

those of Packard and Burns, although the basic switcher idea was the same. I

do not know whether that is incorporated in Ted's "the Front End" preamplifier that has many useful features. It is only built to order.

Jan asked:

BUT; Since I think the Packburn works well on clicks and pops; do you know
if the engineers from the "analogue remaster area" like Robert Parker,
also used a second noise reduction system to get rid of more of that
noise, or did they just use it "as is" and accepted a fair amount of
surface noise on their LP-compilations?

----- if I remember correctly, Robert Parker artificially boosted the high frequencies by generating distortion by having an elliptical stylus with the

long axis along the groove. This permitted/indeed REQUIRED very heavy treble

filtering to remove the distortion (and any noise from 78s), so that he had
a lot of fundamentals. Any lack of brilliance was counteracted by heavy
reverb. All in all disgusting results, but John R.T. was forgiving: "it will advertise that there is plenty of interesting material in these old records,

and those who want to engross themselves will go to the sources".

-----Opprinnelig melding----- Fra: Association for Recorded Sound Discussion List [mailto:ARSCLIST@xxxxxxx] På vegne av ADRIAN COSENTINI Sendt: 21. mars 2009 20:13 Til: ARSCLIST@xxxxxxxxxxxxxxxx Emne: Re: [ARSCLIST] PACKBURN 323A

Hi Jan,

When I was the Chief Audio Engineer at The Rodgers & Hammerstein archives we had a number of Packburns, and we never used them, because they sounded like shit, to put it mildly. Now a days with all the digital noise reduction programs out there why aren't you using that? Also why on earth are you using a RIAA curve on 78's?! You're missing most of the sound. A KAB pre-amp would be much better, even though I'm not crazy about the pre-set curves. The OWL 1 is way better to dial in the curves. Good luck finding one of those. Anyway toss the Packburn and the RIAA curve.


On Mar 21, 2009, at 11:32 AM, Jan Myren wrote:

About Packburn 323 Audio Noise Suppressor

HI; I have learned that you for many years (and probably still) use the
Packburn for playback and recording from old 78 rpm discs.

Since I am a collector of old 78's and have a big collection of records from
all ages. I have also spent some recourses on good equipment and I think
this Packburn would be the correct analogue device to my set-up.

I have a Thorens TD 521 turnable. The arm is a SME 3012R and the cartridge
is a Stanton 500MKII and some different stylis, all special made for
playback of old 78's! I use a normal NAD RIIA preamp.

My experience so far is that it works very well on clicks and pops using the
switcher and the blanker. But the continous noise filter bugs me a bit,
since I think it doesn't reduce that much surface noise. I don't use the
variable adjust very often, since the so called "masked-noise" and the
pumping effect bring offer "strange noises" to the sound. Therefore I mostly
use the FIXED adjust, and usually set it fixed at 9 o'clock posititon.

I have read that some re-issue engineers, like Robert Parker used the
Packburn 323A frequently when restoring old 78's for LP and CD- releases.

MY main question is if the Packburn was used as a "stand alone" unit or it
was also supplied with other noise reduction units in order to filter out
more of the surface noise. If so, what did they (or you) actually do and
what could eventually be a good supplement for that purpose?

I would really appreciate if any of you would please give me some hints and
suggestions, since I think the Packburn will work very well if used the
right way!

Really hope to hear from you again!!

Best regards

Jan Myren¨


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