Pointless Audio — Devices & Software

Tools that sound
like something
actually
happened.

Independent audio software for people who know that imperfection is not a problem to fix.

Plugins

A small and growing catalog. Built slowly, released when ready.

PA PortaTwin — v0.9
PORTATWIN

Cassette channel strip. From clean analog warmth to full tape destruction.

VST3 · macOS · Free / Pay what you want
Coming soon
PA PortaTwin
PA PortaTwin — exploded view

The Tascam Porta Two
was not a precision
instrument.

Released in 1985, it was a four-track cassette recorder built for bedrooms, not studios. Its preamp clipped early and unapologetically. Its transport wobbled. Its tape hissed. People made records on it anyway — and those records sound like nothing else.

PortaTwin models the full signal chain: the way the preamp colors and saturates at different input levels, the pitch drift of an aging transport, the bandwidth loss and hiss of worn tape. It works as a subtle analog glue or as a deliberate lo-fi tool. Everything in between is fair game.

Signal path

Input HPF 10Hz PREAMP GAIN (CLEAN / HOT)

EQ LOW 483Hz EQ HIGH 8840Hz

[if TAPE IN] TAPE SAT (B-H curve) WOW/FLUTTER HISS (repeat N × WEAR)

OUTPUT LEVEL (log fader) DC BLOCKER

Sections
Preamp

Input gain with selectable character. CLEAN is transparent and linear. HOT is a double-stage tanh saturation modeled on the LM833 op-amp — the harder you push the input, the more it breaks up. Two EQ shelves at 483 Hz and 8840 Hz, ±12 dB each.

Tape

B-H curve saturation with bias interaction. Multi-LFO pitch modulation — wow at 0.85 Hz, flutter at 4.8, 6.3, and 8.1 Hz, with slow random drift on top. Wear controls hiss level, number of tape passes (up to 8), and progressive high-frequency loss. Speed changes everything.

Output

Logarithmic output fader, –60 to +12 dB. Blend scales all tape effect intensities within a single signal path — not a dry/wet mix, so no comb filtering. Auto Gain compensates for level changes introduced by the preamp and tape stages.

Suggested settings
Subtle Analog
CLEAN · INPUT noon
TAPE DRIVE 20% · BLEND 60%

Warmth and gentle saturation. The kind you notice when it's not there.

Classic Lo-Fi
HOT · INPUT 70% · DRIVE 50%
WOW/FLT 30% · WEAR 40% · 1⅞ips

The sound of a tape that has been used.

Full Destruction
HOT · everything maxed
SPEED 1⅞ips

Not for the faint of heart.

PA PortaTwin
Get it

Free to download. Pay what you want if you use it.
macOS only — Apple Silicon and Intel. VST3.
AU support coming in a future version.

The installer is currently unsigned. macOS will ask you to allow it manually once — instructions are in the package.

About

Pointless Audio makes tools with a point of view. Not the most accurate emulation, not the most feature-complete plugin — just software that pushes audio somewhere interesting and stays out of the way while doing it.

The name is not a joke. Pointless means without a point to prove. It also means exactly what it sounds like, depending on the day.

Studio