 | Equalizers |
| 215L | Discrete HP/LP Sweep Filter |
| 550A | Discrete 3 Band EQ |
| 550B | Discrete 4 Band EQ |
| 560 | Discrete 10 Band Graphic EQ |
|
 | Compressors |
| 225L | Discrete Channel Compressor |
| 235L | Discrete Channel Noise Gate |
| 525 | Discrete Compressor, Re-Issue |
| 2500 | Stereo Compressor |
|
 | Mic Preamplifiers and Direct Inputs |
| 205L | Discrete Direct Input |
| 212L | Discrete Mic Pre |
| 512C | Discrete Mic / Line Pre |
| A2D | Dual 312 Mic Preamps with Digital Output |
| 3124+ | Discrete 4 Channel Mic/Line Pre, plus DI |
| 3124MB+ | 3124+, w/ Stereo Mixer plus Transformer Bal Outputs |
|
 | Lunchbox and Rack Frames |
| L200PS | Power Supply for 500V / 200R, 1 per Rack |
| L200R | 12 slot 200 Series Rack (requires L200PS) |
| 2B1 | 200 Series Blank Panel, 1 slot |
| 500-6B | 6 slot Lunchbox with built-in Power Supply |
| 500VPR | 10 slot Rack with Power Supply |
| 5B1 | 500 Series, 1 slot Blank Panel |
| 5500 | Dual 550 EQ's with Range Switch |
|
 | Mixing and Mastering |
| 7600 | Channel Strip |
| 7800 | Master Module |
| 8MX2 | ATI's powerful 8 X 2 X 8 Mixer / Mic Pre |
| 8200 | Mix Module |
| 8200A | Mix Module |
|
 | Miscellaneous |
| Cable | Interface cable for up to three units |
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