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Four-track recording on cassette

Gazillion Industries ·

In January 1982 a man recorded a set of demos at home on a four-track cassette machine, carried the tape around in his jacket pocket with no case, and released it as the album that September because nothing they cut in a studio sounded as right.

A four-track cassette recorder puts four separate mono tracks on a standard cassette by using the full width of the tape in one direction, instead of two stereo pairs in two directions. Each track has its own record-enable, level and pan, so you can record parts one at a time and mix them down afterward. When you run out of tracks, you bounce: combine two or three of them onto a spare track and reuse the ones you freed.

The short version

How
four mono tracks across the tape, one direction only
Speed
many machines ran at double cassette speed for more top end
Bouncing
combine tracks onto a spare one to free them up
Cost
each bounce adds a generation of noise and loses top
Plan
decide the bounce order before you record anything
Mixdown
out of the machine into a stereo recorder, in real time

How four tracks fit on a cassette

A normal cassette holds four tracks already: two for each side, so the tape can be flipped. A four-track machine ignores the flip and records all four in one direction at once, which is why a four-track tape played in a normal deck gives you your song with two parts backwards underneath it. Many of these machines also ran the tape at twice the standard speed, which extends the top end and halves your recording time. Tape speed explains that trade.

How to work on four tracks

  1. Plan the song backwards: decide which parts will end up bounced together.
  2. Record the rhythm part to track one, with a click or a drum machine if you want a grid.
  3. Record the next two parts to tracks two and three, listening to track one.
  4. Set the balance of tracks one, two and three exactly as you want them for good.
  5. Bounce those three to track four in one pass.
  6. Erase tracks one to three and record three new parts over them.
  7. Repeat until the song is done or the noise becomes the song.
  8. Mix down to a stereo recorder in real time, riding the faders as it plays.

TRIPLE OG is a cassette transport with AGE in years and a DRIVE that gets dirtier without getting louder, which is most of what a bounced four-track pass was doing to your parts.

What bouncing costs

Every bounce is another generation of tape: more hiss, less top end, more saturation, and a balance you can no longer change. Three parts bounced to one are married for life, and if the guitar is too loud you re-record all three. Producers planned around that by recording the things they were sure about first, and it is why home four-track records have a particular layered haze on the early parts and a bright, present vocal sitting on top: the vocal was last, so it was never bounced.

The noise is cumulative in a specific way. Each pass adds the machine's own hiss to the hiss already on the tape, so by the third generation the quiet parts have a texture of their own. Plenty of people spent the eighties fighting that and plenty of people now pay for it.

Doing it now

You can impose the same discipline in a DAW, and it is a better exercise than it sounds: limit yourself to four tracks, and every time you want a fifth, bounce three to one and commit. You get decisions instead of options, and arrangements that breathe because there was no room for the extra part. Run each bounce through tape processing if you want the generational loss as well as the constraint. See how to record to cassette for the real version.

Where it costs you

Four tracks is four tracks. There is no undo, no punch-in that does not overwrite, no rearranging the verse after the fact, and a mistake in bar 30 of a bounce means doing the whole bounce again. Machines vary in speed, so a tape started on one deck may not finish on another. And the tape runs for the length of a side: songs that need eight minutes need a plan.

Questions people ask

How does a multitrack recorder work?

It divides the recording medium into separate lanes and gives each one its own record and playback path, so parts can be recorded at different times and balanced afterward. On a cassette four-track, the four lanes are the four tracks the tape already has, used in one direction.

How do you record with a four-track cassette recorder?

Record one part per track while listening to what is already down, bounce finished parts together onto a spare track when you run out, and mix the result to a stereo recorder in real time.

Which classic albums were recorded on a four-track cassette?

Bruce Springsteen's "Nebraska" is the famous one: recorded at home in New Jersey in January 1982 on a four-track cassette machine and released that September as the demos themselves. The format also carried a great deal of lo-fi indie rock and early home hip hop through the eighties and nineties.

Why do four-track recordings sound like that?

Limited top end, a raised noise floor, gentle saturation from hitting the tape hard, and generational loss from bouncing, all on a transport whose speed is never perfectly steady.

What TRIPLE OG does

TRIPLE OG is a cassette transport: six controls for what the medium is and what it is doing, and one for your hand. AGE is in years, nought to sixty, and takes the machine darker, noisier, slightly more saturated, less speed-stable and less perfectly matched left to right at once. HISS is a continuous broadband bed, shaped and partly decorrelated across the channels. DRIVE is soft asymmetric saturation, oversampled, and the level stays flat inside half a decibel from one end of the knob to the other.

No case on the cassette, in a jacket pocket, all the way to the pressing plant.

Keep reading

TRIPLE OG — cassette tape simulation for Mac and Windows, with a transport that drags, jams and sprints to catch up. There is a demo on the page.

Hear it — $29

Gazillion Industries LLC · reading material