Vinyl Pressing 101: The Process from Start to Finish
Your band finished making the album, now you’re ready to get it on vinyl. Woooo! It’s mixed, mastered, and you send it our way. Here’s the 101 of what happens next.
The Audio Arrives
We get the high res mastered files. The first thing we do is check it. Are the frequencies going to work on vinyl? Is the bass too hot? Is one side way longer than the other? Vinyl has physical limits that digital doesn't care about. (It’s PHYSICAL music. As someone who works at a vinyl pressing plant that is still mindblowing to me) We'll flag issues and work with the artist or their engineer to adjust if needed.
Cutting the Lacquer
This is where digital becomes physical. A lathe cuts grooves into a lacquer-coated aluminum disc - one for each side. The cutting stylus is basically translating sound waves into a spiral groove. The engineer monitors in real time, making micro-adjustments for volume and spacing. Bass gets cut wider. Quiet passages can be tighter. It's part science, part feel. If you’re interesting learning more about this specific process, check out this article.
The Metal Work
The lacquer gets sprayed with silver nitrate, then submerged in nickel. This creates a negative metal impression called a "father." From that, we make a "mother" (positive), then "stampers" (negative again) - the actual plates that'll press your records. We test press one to make sure it sounds right. If there's a problem, we start over.
The Press
Vinyl pellets get heated until they're molten, then sandwiched between labels and stamped by a hydraulic press running at about 150 tons of pressure. The heat and pressure force the vinyl into every microscopic detail of those grooves. The record cools, gets trimmed, and moves down the line.
Quality Control and Finishing
Every record gets visually inspected. We at Hellbender check every 5 records for playback tests throughout the run. So that means if you order 1000 records, our QC guy will listen through to 200 of them. He may know your record better than you by the end of the process! Then they're sleeved, jacketed, shrink-wrapped/polybagged/or sent out with no protection if that’s what you preferred to order.
Out the Door
Records get boxed, labeled, and shipped - whether that's to a distributor, a record store, or straight to the band's garage. The whole process from master to finished product usually takes 8-12 weeks, could be longer if we're slammed.
And that's it about it! What started as ones and zeros ends up as something you can hold, spin, and actually hear working. Wild process huh.
