AD-1305
| Brand | Heathkit |
| Manufacturer | Heath Company, Schlumberger Limited |
| Function | EQ (Kit) |
| Produced | 1976 |
| Country | United States |
| Form Factor | Standard Width |
| Signal Path | Analog Hardware |
| Dimensions | 44.5 × 10.8 × 20.3 cm (W × H × D) |
| Weight | 11lbs (Shipped) |
| Power | 120/240VAC, 50/60Hz |
| Input Impedance | 100kΩ |
| Output Impedance | 100Ω |
| Output Voltage | 1.5Vrms |
| Overload | 5Vrms |
| SNR | 90dB |
| THD | 0.05% |
| IMD | 0.05% |
| Bands | 5 |
| Band Width | Two Octaves |
| Filter Slope | 12dB/Oct |
| MSRP (1976) | $119.95 |
| Channels | 2 Channel |