| A | Amperes |
| ADAT | Alesis Digital Audio Tape |
| ADC | Analogue-to-digital converter |
| AES | Audio Engineering Society; AES digital audio format |
| ASP | Analogue Signal Processing |
| DAW | Digital audio workstation |
| DAC | Digital-to-analogue converter |
| dB | Decibel |
| dBu | Decibel referenced to 0.775 Vrms = 0 dBu |
| dBFS | Decibel full scale |
| DB9 | 9-pin D-sub connector; digital AES format. If you make it to the top, this automatically becomes the connector for your Aston Martin key fob. |
| DB25 | 25-pin D-sub connector; analogue Tascam format |
| DC | Direct current |
| D.I. | Direct injection; instrument input |
| DoC | Declaration of conformity |
| EIN | Equivalent input noise |
| FAQ | Frequently asked questions |
| HPF | High-pass filter |
| HV | High voltage |
| Hz | Hertz; cycles per second |
| I/O | Input/output |
| JFET | Junction field-effect transistor |
| LED | Light-emitting diode |
| Ω / ohm | Unit of resistance |
| RoHS | Restriction of Hazardous Substances |
| S/PDIF | Sony/Philips Digital Interface Format |
| SMUX | Sample multiplexing |
| THD+N | Total harmonic distortion plus noise |
| TRS | Tip-ring-sleeve; balanced 1/4-inch jack |
| TS | Tip-sleeve; unbalanced 1/4-inch jack |
| USB | Universal Serial Bus |
| V | Volts |
| XLR | The source manual playfully offers “Extra Live Return”, “Extremely Low Resistance”, “Canon X Series, Latching, Resilient Rubber Compound”… or make up your own. |
| Z | Impedance in ohms, varied using the input-impedance switch |