The Q American Series comprises three analog modeling products: the API 550A, API 550B, and API 560, which utilize pure DSP algorithms for lightning-fast processing. These products are known for their exceptional sound quality, thanks to their precise curves.

Additionally, these products feature modern user interfaces that are intuitive and user-friendly. The aggressive structure and proportional Q feature are particularly noteworthy, providing users with an enjoyable and immersive experience.

Key Features:

QA Features

• Low Frequency Shelving/Peaking.
• Five selectable center frequencies: 50Hz, 100Hz, 200Hz, 300Hz and 400Hz.
• Mid Frequency Peaking
• Five selectable center frequencies: 400Hz, 800Hz, 1.5kHz, 3kHz and 5kHz.
• High Frequency Shelving/Peaking
• Five selectable center frequencies: 5kHz, 7kHz, 10kHz, 12.5kHz and 15kHz.
• Band Pass Filter: Fixed bandwidth: 50Hz to 15kHz.
• The amount of boost or attenuation is continuously variable from -12 dB to 12 dB.

QB Features

• Low Frequency Shelving/Peaking.
• Seven selectable center frequencies: 30Hz, 40Hz, 50Hz, 100Hz, 200Hz, 300Hz and 400Hz.
• Low Mid Frequency Peaking.
• Seven selectable center frequencies: 75Hz, 150Hz, 180Hz, 240Hz, 500Hz, 700Hz and 1kHz.
• High Mid Frequency Peaking.
• Seven selectable center frequencies: 800Hz, 1.5kHz, 3kHz, 5kHz, 8kHz, 10kHz and 12.5kHz.
• High Frequency Shelving/Peaking.
• Selectable filter type: Shelving or Peaking. Seven selectable center frequencies: 2.5kHz, 5kHz, 7kHz, 10kHz, 12.5kHz, 15kHz and 20kHz.
• The amount of boost or attenuation is continuously variable from -12 dB to 12 dB.

QG Features

• The QG plug-in is a ten-band fixed frequency graphic equalizer divided into one octave increments. The center frequencies of each band are set at 31Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz and 16kHz. The amount of boost or attenuation is continuously variable from -12 dB to 12 dB on all bands.

System Requirements:

• 80 MB free hard disk space
• Windows 7 or newer, 32-bit (x86) or 64-bit (x64) processor with 2 GB RAM
• Mac OS X 10.7 or higher, Intel Processor with 2 GB RAM
• Display capable of 1024×768
• VST, VST3, AU or AAX capable host program
• ASIO supporting sound card (recommended)