Nad 3020E amplifier
(1980-1987)
Service ManualTECHNICAL SPECIFICATIONS
Power (RMS) 2X25w/8 ohms
Freq response: 20Hz/20kHz
THD: 0,05%/8 ohms
Interm Distortion: 0,05%
Input Sens Phono: 2.5 mV
Input Sens Line: 180 mV
SNR Phono: 76 dB
SNR Tuner: 85 dB
SNR Tape In: 85 dB
SNR Aux: 85 dB
Output Imp: 4/16 ohms
Dimensions: 420x80x250mm
Weight: 5 Kg
| Transistors | Equiv | Other |
| 2N3055 | 2N3713-BDX10 | BDY20-NTE130 |
| MJ2955 | 2N3792-BDX20 | NTE219 |
| 2SJ111 | 2SJ72 | |
| 2SA950 | 2N4033-BCW45 | NTE290A |
| 2SA1015Y | 2N3494-BC212 | NTE290A |
| 2SC1815Y | 2N3859A | NTE85-BC182L |
| 2SC2120 | 2N6375-BC337 | NTE289A |
| BD139 | 2N4923-BD169 | NTE375 |
| 2SB669 | 2N6668-BD718 | NTE262 |
| 2SD649 | BU508A | NTE165 |
| BC550C | 2N5818-BC547C | NTE199 |
| BC556B | 2N6015-BC307 | NTE159 |
| BC560C | 2N6003-BC309 | NTE234 |
| 2SD660A | 2N5320-BCX40 | NTE224 |
| 2SB649A | 2N6211-BD238 | NTE374 |
| 2SD669A | 2SC3117 | NTE373 |
| 2SB633D | 2N6211-BD244C | NTE378 |
| 2SD613D | BD243C | NTE377 |
| 2SD699A | NTE373 | |
| Capa µf | Volts | Quantity (47) |
| 4700 | 35 | 2 |
| 47 | 63 | 4 |
| 330 | 63 | 2 |
| 1000 | 16 | 2 |
| 100 | 35 | 2 |
| 22 | 100 | 2 |
| 22 | 63 | 4 |
| 220 | 16 | 4 |
| 2.2 | 63 | 1 |
| 1 | 100 | 4 |
| 4.7 | 63 | 7 |
| 47 | 35 | 11 |
| 0.68 | 63 | 2 |