Magazine article American Cinematographer


Magazine article American Cinematographer


Article excerpt

Two new cassette recorders for professional film or TV production-one of them a high-quality, super-sophisticated machine-the other, the lowest priced crystal (and cable) sync recorder on the market

At PHOTOKINA 1978 Supers Sound, Inc. of Cambridge, MA, U.S.A., introduced two new recorders for doublesystem filming: the XSDIV CrystalSync-Dolby Cassette Recorder and the Supers Sound Sync Cassette Recorder I.

The XSDIV Recorder

This very high quality, small-sized and lightweight sync cassette recorder is well suited for film production in Super-8, 16mm, 35mm, as well as for video applications. The XSDIV is based on the recently introduced SONY TC-D5 Cassette Recorder.

The XSDIV Sync Recorder is a SONY TC-D5 stereo cassette recorder with Dolby, modified to include a built-in 60Hz pilotone quartz crystal oscillator. It can record sound in sync with any Super-8, 16mm or 35mm camera that is crystal-controlled or has a standard pilotone sync output. The XSDIV Recorder uses high-density chromium-dioxide, FeCr (Ferrochrome) or standard cassettes. In sync use, it is monophonie with sync on the right channel. It reverts to a stereo cassette recorder in non-sync use. In addition to cableless crystal-sync work, the recorder can be cable-connected to pilotone cameras. Cables are available for standard Tuchel (Arri, Bolex), Cannon XLR (Eclair), and BNC (Beaulieu) connections.

The 60Hz crystal pilotone appears on the right channel (track 2) when there is nothing plugged into the right channel microphone input jack. A pilotone cable plugged into the right channel overrides the crystal tone with the camera sync tone. Level is adjustable to compensate for a wide range of pilotone input voltage (.4V to 4V rms). The XSDIV Recorder has Dolby B noise reduction encoding and decoding circuitry. The 60Hz (50Hz) pilotone signal can be matched to the AC 60Hz (50Hz) line frequency for transfers to magnetic film on sprocketed synchronous dubbers. This requires the use of the optional Resolver Unit. Transfers to 16mm and 35mm fullcoat magnetic film can be made by any sound lab using an XSDIV Recorder and the Universal Resolver. Transfers to Super-8 fullcoat do not require the Resolver, since the Super8 Sound Recorder can match its speed to the 60Hz (50Hz) pilotone signal.

XSDIV Recorder Specifications:

Frequency Response: With FeCr Tape cassettes 30-16,000Hz (±3dB), with CrO^sub 2^ tape cassettes 30- 15,000Hz (±3dB), Signal/Noise Ratio: FeCr tape cassette with DOLBY "OFF" is59dB and with DOLBY "ON" 64dB at 1KHz and 69dB at 5kHz; Wow and Flutter: 0. …

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