HERE IS WHAT YOU CAN DO WITH YOUR REVOX A77


The REVOX A77 will make and replay tapes to professional standards. Indeed thousands of REVOX machines are used world wide for this purpose. An LP disc of outstanding quality can be cut from a carefully made REVOX recording and the performance of the machine is a match for the finest audio equipment available today. All facilities required in modern recording techniques are catered for, including sound on sound, multi-play, echo, on-off tape monitoring as well as playback to both European and American equalization standards. Further, the REVOX A77 will operate both horizontally and vertically and can accommodate even 10.5 inch diameter tape spools. The use of relays and solenoids permits all tape transport functions to be operated by remote control, including going, into the record mode.


Other important advantages of the new REVOX tape recorder A77 are calibrated VU-meters, a photo-electric end-of- tape switch, a four-digit tape position indicator and a separate output for stereo headphones with its own volume and balance controls. Facilities for switching off the spooling motors and a special button for tape editing.



3 MOTOR TAPE TRANSPORT SYSTEM


The new REVOX A77 employs the classic three motor tape-transport system. The recently developed capstan motor drives the tape at constant speed.


Two further motors provide back tension from the feed spool and a constant take-up tension for the take-up spool. Furthermore, these motors, which are of original low weight-high torque design, permit a very smooth and fast tape wind. Only with three motors is it possible to provide each of the drive functions with the optimum characteristics. The same applies to the electro-magnetically operated servo-assisted brakes, which have proven themselves in the professional studio machines, as well as in previous REVOX tape recorders all over the world.

the legendary ReVox A77...

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Some of the reviews...

Brian Reeves

The Authorised  ReVox Service Centre for the UK

50 OR 60 CYCLE OPERATION WITHOUT ADJUSTMENT


The speed of the new capstan motor is no longer governed by the mains frequency as in the case of the usual synchronous or non-synchronous motors. The speed of the motor is measured by means of a tacho head which does not touch the moving parts and kept constant by means of the electronic governor. The new motor will run at an extremely constant speed independent of the mains frequency.



ELECTRONICALLY GOVERNED CAPSTAN MOTOR


With the development of an electronically governed capstan motor REVOX have once again pioneered in the field of magnetic recording. The new motor is smaller, lighter and has a much lower current consumption and considerable reserve power. Furthermore, the speed constancy is completely independent of the normal mains frequency and voltage fluctuations.



The ReVox Capstan Motor and Servo Control Card



ELECTRONIC SPEED CHANGE


The change in the motor revolution: for the two tape speeds of 7 ips and 3 ips. is effected by means of the electronic governor. The speed change is effected by means of one single low current switch ensuring high reliability and long life.

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