Important notice about discontinued super-8 TVT models
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Note on the previous discontinued TVT sprocketed (and M Type early sprocketless) super-8 silent models:
We have recently discovered that a pattern has appeared that the previous super-8 only models with Bell & Howell sprocketed mechanisms are not holding up as we expected from previous favorable experience with their Dual-8 and Regular-8 equipment. The narrow and soft pulldown claw is wearing out in a short time, sometimes a couple of hundred hours of transferring. A worn and notched claw will result in an unsteady picture, loss of film loops, and odd banging noises that are not helped by lubricating the film. Repair for these B&H based sprocketed machines is becoming uneconomic and we have discontinued putting them in our newly built machines.
We recommend that when the B&H super-8 sprocketed mechanism wears out, the machine be converted to sprocketless design instead. This uses a super-8 (or regular-8) locked dual-8 mechanism, which has a harder and more durable pulldown claw that appears likely to last for thousands of hours of running. Factory conversion is needed, as to support this change we need to select a mechanism with an appropriate shuttle throw, reduce the take-up torque, replace fixed posts with roller posts, replace the reverse/rewind reel motor with a low-cogging AC brushless type, add a relay and additional wiring, plus of course reset the image alignment and focus.
We can convert the machine to your choice of silent super-8 or regular-8, whichever is more appropriate for your facility. Call us for a price quote for this conversion.
This note does not apply to sprocketed regular-8 or any dual-8 models.
Note on the previous discontinued TVT-S8S and TVT-S8STS Sound models:
We have recently discovered that a pattern has appeared of the previous super-8 sound models with Bell & Howell picture and sound heads are not holding up as we expected from previous favorable experience with their Dual-8 and Regular-8 equipment. The soft components are wearing out in just a couple of hundred hours of transferring. A worn and notched claw will result in an unsteady picture, loss of film loops, and odd banging noises that are not helped by lubricating the film. A worn magnetic head or pressure pad will result in loss of film loops, and garbled “underwater” sound quality.
Repair for these B&H based machines is becoming uneconomic, as we lately are unable to obtain replacement sound head and picture head modules that still have a suitable remaining life, and no new parts can be had. In practice, a substantial repair cost may only restore proper operation for about 50 or so running hours, with no warranty. Consequently we have developed the new version TVT-S8S which should give greatly improved life, based on industry experience with the Elmo TRV models using the same picture and sound parts.
We recommend that when the B&H modules next wear out, existing S8 sound machines be converted to Super-8 (or Regular-8) Locked Dual-8 silent sprocketless mechanisms, or Regular-8 sprocketed mechanisms, which will give you a backup spare machine that should last for a thousand running hours of silent transfers. Call us for a price quote for this conversion.
For doing sound film, we recommend our new TVT-S8S True Speed Lite model which we expect will likewise hold up for a long time of running silent or sound film.