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IASA, UNESCO policy compliance

Silvertone, Chicago Webster, Armour, Minifon…
3”, 5”, 7” , 10.5”.
1/4″, 1/2″, 1/8 ” Nagra SN.
1 7/8ips, 3 3/4 ips, 7 1/2 ips, 15 ips y 30 ips.
Equ NAB, IEC, DIN.
When required Dbx, Dolby A and Dolby SR, Nagramaster.
GALleryVideos

Open Reel to Digital

Open Reel

Our studio transfer into digital more than 12 different open reel audio formats

Wire recordings; Silvertone, Chicago Webster, ….etc.

We use High End reproducers; Studer, Otary, Nagra, Tascam, Revox…

Sound restoration without damaging crucial frequencies.

THERE ARE SO MANY DIFFERENT OPEN REELS THAT WE MUST CONSIDER DIFFERENT ELEMENTS TO ACCOMPLISH A PROFESSIONAL TRANSFER;

DATE OF RELEASE

acetate (1935-72/73)

paper(1947-53)

pvc(1944-72)

pet/pen(1953-90…)

TAPE width

Standard38 μm1,5 mils52 μm 2.05mils total

Long play25,4μm1.0mils35 μm 1.38mils total

Doble play12,7μm 0.5mil 26 μm 1,02 mil total

Triple play12.7 μm 0.5 mil para a base18 μm 0.71 mils total

RECORDING SPEED

15/16 IPS 2.38 cm/s

1⅞ IPS 4.76 cm/s

3¾ IPS 9.52 cm/s

7½ IPS 19.05 cm/s

15 IPS 38.1 cm/s

30 IPS 76.2 cm/s

RECORDING EQUALIZATION

NAB 50 μs

CCIR 100μs (3/3/4ips) 35μs (15 30 ips)….

AME

DIN

NAGRAMASTER

Others:

TAPE INCHES

1/8″

1/4″

1/2″

(we don’t work with 1″ y 2″ multitrack)

RECORDING HEAD

– FULL TRACK, STEREO, HALF TRACK, QUARTER TRACK STEREO Y FORMATOS ASÍNCRONOUS.

– Butterfly 0.75mm

– Butterfly 2.00 mm

– Nab 2.00 mm

– Nab 0.75mm

– Din

– other..

RECIPROCAL NOISE REDUCTION

  • DOLBY A / SR
  • DBX
  • TELCOM C4
We must take into consideration the following items;
  • speed; 1 7/8 ips, 3 3/4 ips, 7 1/2 ips, 15 ips and 30 ips with no Varispeed.
  • Equ; IEC, CCIR, NAB, DIN, Nagramaster, etc.
  • Track head width; Studer/Revox, Ampex, Tascam….full track, half track, quarter track….
  • Diameter; 3”, 5”, 7”, 10,5”, etc.
  • tape width; 1/4″ 1/2” (we don’t transfer 1” and 2” as considered Studio multitrack open reels). Some tapes exceed the standard width.
  • decoder denoisser compliantly; Dolby A, Dolby SR, Dbx, Nagramaster, etc.
  • Hub; CINE, NAB, AEG, NAGRA, etc.
Common noise found on open reels
  • Hiss
  • buzz, Hum
  • explosive noises because of damages on tape
  • Wow and flutter
  • noise from camcorder motors,
  • Other….
Degradations

Essentially, problems on audio reels does not differ essentially from those of cassette. There are some common degradations to be found;

  • The known as sticky shed syndrome; El denominado print through o efecto copia.
  • Reel broken parts, binder and or base broken elements.
  • LOL lost of lubrication.
  • Tape fully broken.
  • Mold.
  • Otros.

Gallery

Different Audio Reel tapes

some of most common audio reel tapes

Audio RestorationOpen reel to Digital

— professionals on audio restoration processes —