HA-500
| Brand | Denon |
| Manufacturer | Nippon Columbia Co. Ltd |
| Function | Amplifier, Phono (MC Cartridge Head Amplifier) |
| Produced | 1980 |
| Country | Japan |
| Signal Path | Analog Hardware |
| Dimensions | 12.6 × 7.1 × 30.5 cm (W × H × D) |
| Weight | 2.2kg |
| Power | 120VAC, 60Hz 12W |
| Frequency Response | 10Hz-600kHz +0dB, -3dB |
| Input Impedance | 100Ω |
| Voltage Gain | 32dB/24dB/MM (Bypass) (User Selectable) |
| Output Voltage (Max) | 2.5Vrms |
| Input Noise Level | -157dB/Vrms |
| THD (20Hz-20kHz, 0.3V) | <0.008% |
| IMD (20Hz-20kHz, 0.3V) | <0.008% |
| Crosstalk (1kHz) | <-70dB |
| Channels | 2 Channel |
| Notes | It functions as a step-up device, but it is an active amplifier. |