Signal Generator SG-2400

Signal Generator SG-2400

A precision signal generator

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Archived App (Last seen on 27 Jun 2026)

This is an archived listing of the app previously available on the App Store.

Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
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Details

  • Released
  • Updated
  • March 30, 2026
  • April 7, 2026

Features

Signal Generator SG-2400 screenshot #1 for iPhone
Signal Generator SG-2400 screenshot #2 for iPhone
Signal Generator SG-2400 screenshot #3 for iPhone
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About

SignalGenerator SG-2400 is a precision audio signal generator built for musicians, audio engineers, and anyone who needs clean, accurate test tones. WAVEFORMS • Sine — pure fundamental tone • Square — band-limited with anti-aliasing • Sawtooth — band-limited with anti-aliasing • Triangle — band-limited via integrated square wave • White noise — flat frequency spectrum • Pink noise — equal energy per octave FREQUENCY RANGE 10 Hz to 20 kHz with configurable step increments (0.1, 1, 10, 100 Hz). Dial in frequencies with the rotary jogwheel or tap the display to type an exact value. AUDIO ENGINE Direct sample-level synthesis at 48 kHz with no intermediate buffers. Anti-aliasing eliminates artifacts on square, sawtooth, and triangle waves at high frequencies. INTERFACE Inspired by classic test equipment and old school handheld electronics. Real-time waveform display, musical note detection with cents offset, and a tactile jogwheel with step-scaled sensitivity. HEARING SAFETY Always start at a low volume. Use caution with headphones.
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What's New in Signal Generator SG

1.1

April 7, 2026

• State persistence: frequency, waveform, step increment, volume, and power state are restored on launch • Haptic feedback on the jogwheel: soft bump on touch, light tick on each frequency step

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