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Audio and Video Talk
Reel-to-Reel & Cassette Tapes
Revox B77 REAL time digital counter conversion - part 1 - the mechanicals..
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<blockquote data-quote="marcochezzi" data-source="post: 988753" data-attributes="member: 21001"><p>Tension arm mechanism fixed in place to the chassis, the red circle depicting the spring mount spot..</p><p></p><p></p><p><img src="https://i.imgur.com/hUeJpOx.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>Machined a small spring retainer to mount to the above...</p><p></p><p></p><p><img src="https://i.imgur.com/cNTvcEn.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>And that in place as it should be.. Here I took the donor machine supply tension arm spring as I truly had no starting point regarding actual tension arm functionality. I positioned the spring at the same angle and location on the takeup tension arm as is on the supply tension arm, and then tested to see if the unit functions as designed, if too low, then spring can be replaced or re-positioned accordingly, no biggie...</p><p></p><p></p><p><img src="https://i.imgur.com/XMa3anu.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>And as luck would have it, it worked perfectly, just don't know if I can add a video here so a picture will have to suffice...</p><p></p><p></p><p><img src="https://i.imgur.com/VdN5hjD.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>You can see from the exit tape path that the "footprint" on the outlet tape guide has increased, which is exactly what was required..</p><p></p><p></p><p>Good - easy stuff finished now.... :roll:</p></blockquote><p></p>
[QUOTE="marcochezzi, post: 988753, member: 21001"] Tension arm mechanism fixed in place to the chassis, the red circle depicting the spring mount spot.. [IMG]https://i.imgur.com/hUeJpOx.jpg[/IMG] Machined a small spring retainer to mount to the above... [IMG]https://i.imgur.com/cNTvcEn.jpg[/IMG] And that in place as it should be.. Here I took the donor machine supply tension arm spring as I truly had no starting point regarding actual tension arm functionality. I positioned the spring at the same angle and location on the takeup tension arm as is on the supply tension arm, and then tested to see if the unit functions as designed, if too low, then spring can be replaced or re-positioned accordingly, no biggie... [IMG]https://i.imgur.com/XMa3anu.jpg[/IMG] And as luck would have it, it worked perfectly, just don't know if I can add a video here so a picture will have to suffice... [IMG]https://i.imgur.com/VdN5hjD.jpg[/IMG] You can see from the exit tape path that the "footprint" on the outlet tape guide has increased, which is exactly what was required.. Good - easy stuff finished now.... :roll: [/QUOTE]
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Audio and Video Talk
Reel-to-Reel & Cassette Tapes
Revox B77 REAL time digital counter conversion - part 1 - the mechanicals..
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