Studer A721
Dolby B NR Dolby C logo Dolby HXPro Direct Drive Wireless Remote Control Metal Tape Full Logic Direct Drive 3 Head

This Studer A721 is a stereo cassette deck with double Dolby B/C and HX-Pro noise reduction, it was first sold by Studer in 1985.

The main features of the Studer A721 are: 3 heads and off-tape monitoring, digital linear tape counter with 4 digits, tape type selection and capable of handling normal, chrome and metal tapes, double direct drive dual-capstan transport.

Typical front loading cassette deck with the cassette compartiment located on the center of the deck. Tape eject is operated mechanically and the cassette needs to be placed directly over the head block. Additionally the heads can be easilly accessed for cleaning.

Level meters used on the A721 are generic digital peak reading meters. Full-logic transport controls used on the A721 let it respond to the slightest finger contact for fast and effortless transport function selection.

Dolby C-type used in the A721 provides 20 dB of noise reduction above about 1,000 Hz, fully doubling the amount given by B-type. The Dolby HX PRO system provides precise bias control during recording to reduce distortion and improve linearity in the high-frequency range, the result is recorded sound that is highly faithful to the original. The three-head configuration of the A721 requires a Double Dolby system, one for recording and one for playback. The 19kHz multiplex pilot slgnal present in FM stereo broadcasts can cause false triggering of the noise reduction system. The switchable MPX filter of the A721 filters out the pilot signal, and assuring proper Dolby processing of FM stereo programs.

For undisturbed listening a jack connector for a pair of stereo headphones is supplied. Connection to other audio components for plaback can be achieved by a XLR cable and recording from a source by a XLR cable. All main transport commands can be issued remotely with a wireless remote control.

Compact Cassette
  • Professional

Historic events

1985 Sony and Philips produced the standard for Compact Disc Read Only Memory (CD-ROM) computer discs that would use the same laser technology as the audio CD.

Features of Studer A721

Calibration
Calibration
15kHz Test Tone
Connectors
Connectivity
XLR Output Jacks Headphones XLR Input Jacks Wireless Remote Control Receiver
Display
Display
Digital Peak-Reading Meters Linear Tape Counter 4-Digıt Digital Counter
Electronics
Electronics
Record Protection
Cassette Exterior
Exterior
Silver Finish Orientation Center Front Loading
Compact Cassette
General
Stereo
Head
Head Configuration
3 Head Desiǥn 4 Track / 2 Channel
HighCom NR
Noise Reduction
Dolby-B Noise Reduction MPX Filter Double Dolby NR Circuits Dolby-C Noise Reduction Dolby HX Pro®
Controls
Operation
Full Logic Transport Control Electronic Fade-Out Real-Time Tape Monitoring Electronic Fade-In
Power
Power Requirements
Alternating Current
Preamplifier
Preamplifier
Record Level Balance Control Auto Record Level Master Record Level Control Headphone Volume Control
Tape Speed
Speed
1⅞ ips - 4.76 cm/s
Tape
Tape
Normal Tape Capabılity Chrome Tape Capabılity Metal Tape Capabılity
Transport
Transport
Auto Shutoff Direct Drive (Capsŧan) Dual-Capstan Transport Direct Loading Double Direct Drive (Capsŧan)

Similar to Studer A721 from the period 1985

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