I have sometimes problems with "ground" hum from the power on my set-up.
The problems are most often with my 78 rpm turnable playback system
consisting of a Rek-O-Kut turnable, Pro-Ject pre-amp, Packburn 323A and
Rek-O-Kut re equalizer and de-hisser. It is not quite permanent.
BUT; when it sometimes appear it seems like it also make the music signals
sound distorted, especially at the end of the records.

May such hum also have something to say for the music signals, like
distortion, maybe, or will it just cause that "famous" "ground" problems hum
sound from the loudspeakers?

All the best

-----Opprinnelig melding-----
Fra: Association for Recorded Sound Discussion List
[mailto:[log in to unmask]] På vegne av Goran Finnberg
Sendt: 29. august 2011 19:48
Til: [log in to unmask]
Emne: [ARSCLIST] Dawn of Digital update -- at long last, clarity on Philips'
digital first

Tom Fine:

> A former Soundstream employee finally set the record
> straight on this. Philips' first all-digital release
> on LP was John Williams "Pops In Space," 1980. The
> original LP has a banner across it stating "FIRST
> Philips Digital Recording." Philips' engineers wanted
> to use a digital recorder they had developed, according
> to this person. But the record's producer, George Korngold,
> had used Soundstream the previous year to record the
> soundtrack to "Kings Row" and requested Soundstream be
> used on the Philips session.

DECCA recording engineer Michaels Mailes says:

Interesting perhaps to note that in 1980 John Williams
became musical director of The Boston Pops orchestra.
I had made recordings with Arthur Fiedler/Boston Pops
and had experience working in Symphony Hall.

Philips made a contract to record J.W and found that
they didn't have equipment or crew in America at the
time of the 1st proposed recording date. Decca had
recording equipment in the States having made contracts
with several orchestras. Logical conclusion! Ask Decca!

Together with Stanley Goodall (Recording engineer) we
made J.W's first recording; 'Pops In Space'
recorded on the Soundstream system.


So it would seem that this disk was not only done on the Soundstream system
but was also engineered by Michael Mailes and Stanley Goodall of the
DECCA/London company using their Neumann M50 tree technique and equipment
feeding the Soundstream digital recorder.

> Philips' engineers wanted to use a
> digital recorder they had developed,

I really do not think that this is correct.

Philips recording centre never had any plans making their own digital
recorder as did DECCA/London.

Philips used the Sony 1610 converter with a suitable video recorder in the
very beginning as did most everyone else.

Later on they moved on using the dcs 900 converter.

Best regards,

Goran Finnberg
The Mastering Room AB

E-mail: [log in to unmask]

Learn from the mistakes of others, you can never live long enough to
make them all yourself.    -   John Luther