Chow Tape Model Free 2026: Open-Source Reel-to-Reel, Not RC-20

This Page Is Chow Tape Model. It Is Not RC-20. It Is Not Super VHS.

Stay here for Chowdhury DSP Chow Tape Model as a 2026 free tape insert: GPLv3 download, v2.11.4, hysteresis, loss/chew, wow/flutter, tape compression. Do not use this file as an XLN RC-20 six-module walkthrough, a Super VHS cassette review, or an Analog Obsession catalog. RC-20 is a paid vintage FX rack. Super VHS is a later page—out of scope here, no link. Analog Obsession’s free mix tools live on the related slug.

Official products copy: originally developed in Stanford CCRMA Music 420; the DAFx 2019 paper is the academic write-up. GitHub README: physical model of analog tape, initially the Sony TC-260, now a wide variety of reel-to-reel machines. This September 2026 file is that SKU still on chowdsp.com—not a claim Chow Tape first shipped this year.^[1][2]

If you need lo-fi colour with noise, wobble, and bit reduction in one paid panel, use the related RC-20 page. If you need a lo-fi instrument with SP-1200/MPC grain, use the related Pure LoFi page. If you need a free analog-style mix chain that is not tape, use Analog Obsession.

Still Free. v2.11.4, 5 November 2023. GPLv3. No iLok.

chowdsp.com products page hosts the current desktop builds: Windows 64-bit 2.11.4 .exe, Mac 2.11.4 .dmg, Linux x64 2.11.4 .deb, plus an iOS App Store listing. GitHub: latest desktop release is the same products-page URL; nightlies are separate and labelled potentially unstable. CHANGELOG: [2.11.4] - 2023-11-05—Wow processing bug at high Depth. Initial public plugin: [1.0.0] - 2019-03-10.^[1][2][3]

Licence: GitHub README and badge, GNU GPLv3. iOS is dual-licensed GPL and MPLv2 on that README. KVR: Free; copy protection None; Open Source GPL 3; product version 2.11.4 on Windows, macOS, Linux, and iOS. Manual: free as in beer and free as in speech under the General Public License; keeping it behind a paywall would be antithetical to the research goal. Do not pay a reseller for a “full version.”^[2][4][6]

Formats on GitHub and the products page: VST, VST3, AU, AAX, AUv3, CLAP, LV2, Standalone. Live products-page requirements: macOS 10.12+ universal Intel/Apple Silicon, Windows 7+, 4 GB RAM minimum, VST- or AU-compatible host. CHANGELOG 2.8.0 also added Apple Silicon and iOS AUv3. Recheck the live products footer if a host OS moved.^[1][2]

Hysteresis, Loss, Chew, Wow/Flutter, Tape Comp

The live GUI (manual screenshot and products page) groups the insert as Gain / Filters / Stereo, Tape / Comp / Tone, Loss / Degrade / CHEW, Flutter / Wow. Tape knobs include Bias, Saturation, Drive. Loss includes Gap, Thickness, Spacing, Azimuth, and Speed with snap buttons at 3.75 / 7.5 / 15 / 30 ips. Flutter and Wow have Depth plus tempo-sync options added in 2.8.0.^[6][3]

CHANGELOG hysteresis modes: 2.4.0 added Runge-Kutta vs Newton-Raphson vs Version 1.0-style; 2.7.0 added State Transition Network (STN). 2.9.0 added the tape compression processor (Amount / Attack / Release on the Comp tab). 2.1.0 added degradation and Chew. Oversampling: 2.0.0 added 2× / 4× / 8×; 2.3.0 added a 1× option; 2.9.0 split linear vs minimum phase and real-time vs offline. Do not paste a 16× figure from a forum post as a manual spec.^[3]

Synth Anatomy (17 July 2020): free, open-source, resizable JUCE UI, originally Sony TC-260 then expanded to a wider reel-to-reel set. AudioTechnology (8 November 2023): same origin story and the same format list including CLAP. Those are independent notes of the free SKU, not a second manual.^[7][8]

• Hysteresis (Tape tab) Physics-based saturation. CHANGELOG modes: RK, NR, V1, STN. Bias / Saturation / Drive on the live panel. This is the DAFx core, not a clipper with a tape photo.^[3][5]
• Loss / Chew / Degrade Playhead loss (gap, thickness, spacing, azimuth, ips). Chew and Degrade model dropouts and wear. Envelope and 0.1× Depth for Degrade arrived in 2.8.0.^[3]
• Wow / Flutter + Comp Independent wow and flutter with rate, depth, variance, drift, and sync. Tape Comp is a separate processor from 2.9.0—do not treat Comp Amount as the hysteresis Drive knob.^[3]

On a Beat: Drum Bus Glue, 808 Rounding, Vocal Hiss

Park it as an insert, not as a cassette instrument. Drum bus: start with Drive/Saturation moderate, Comp Amount small, Speed 15 or 30 ips, Wow/Flutter near zero unless you want the bus to swim. 808: the hysteresis rounds peaks; Loss Thickness/Spacing will dull the click if you push them—A/B against the dry 808 before you print. Vocal: hiss and Chew are optional dirt, not a de-esser.

GitHub README for FL Studio: if you hear pops or clicks, enable the host “used fixed size buffers” setting (issue #17 on that repo). That is a host-buffer note, not a CPU benchmark. This page does not publish CPU percentages.^[2]

KVR user reviews call it a mastering-bus saturator and a free favourite. Treat those as user notes, not ChowDSP specs. Mix Groups (CHANGELOG 2.6.0) can sync multiple instances across a session if you want the same tape flavour on several buses.^[4][3]

When the Free Download Is Enough. When to Skip.

Install it if you want physics-based tape on a drum bus, 808, or mix bus and you do not want a serial. Skip it if you need RC-20’s six-module vintage rack (noise, wobble, digital, space, magnetic) as one paid panel—that is the related RC-20 page. Skip it if you need a cassette/VHS graphic; Super VHS is out of scope on this file. Skip a second paid tape if Chow Tape already does the glue you hear.

Download from chowdsp.com or the GitHub releases the products page links. Nightlies are labelled unstable. There is no 7-day trial because the desktop plugin is already free. iOS is a separate App Store listing on the products page.^[1][2]

FL, Ableton, Logic: One Pass on a Real Bus

This checklist is a first insert, not a tape-machine course. Confirm the live 2.11.4 build if a control moved after November 2023.^[3]

1. Install 2.11.4 from chowdsp.com, not a reseller zip
   Windows .exe, Mac .dmg, or Linux .deb from the products page. GitHub source is GPLv3 if you compile. Nightlies are optional and unstable.^[1]
2. Insert on a drum bus or 808, not the master first
   Set Speed to 15 or 30 ips. Keep Wow/Flutter off until the saturation is musical. FL Studio: enable fixed-size buffers if you hear clicks.^[2]
3. A/B hysteresis mode, then Comp, then Loss
   RK/NR/STN/V1 are CHANGELOG modes, not presets. Comp Amount is separate from Drive. Loss/Chew last so you do not confuse wear for saturation.^[3]
4. Match oversampling to the bounce, not the guess
   CHANGELOG: 1× / 2× / 4× / 8× with linear vs minimum phase and real-time vs offline. Do not invent 16× as a factory default.
5. Stop before this page becomes RC-20 or Super VHS
   Print a stem if CPU gets heavy. RC-20, Pure LoFi, Analog Obsession, and free tape roundups are related slugs. Super VHS is later—do not treat this insert as that cassette SKU.

RC-20, Super VHS, and Analog Obsession Are Out of Scope

This article does not review XLN RC-20, does not score Chow Tape versus Super VHS, and does not list Analog Obsession compressors. Those live on related slugs or a later page. Super VHS is not linked from this file.

As of Sep 2026, Chow Tape Model is the GPLv3 2.11.4 SKU on chowdsp.com. Recheck the products page and GitHub releases if you are reading this after a newer tag.^[1][2]