| Transistors | Equivalents | Other | datasheet | Transistors | Equivalents | Other | datasheet |
| 2N 3055 | 2N 3713-BDX 10 | BDY-20-NTE 130 |
| MJ 2955 | 2N 3792-BDX 20 | NTE 219 | |
| 2SJ 111 | 2SJ 72 | | | 2SA 950 | 2N 4033-BCW 45 | NTE 290A | |
| 2SA 1015Y | 2N 3494-BC 212 | NTE 290A | | 2SC 1815Y | 2N 3859A |
NTE 85-BC 182L | |
| 2SC 2120 | 2N 6375-BC 337 | NTE 289A | | BD 139 | 2N 4923-BD 169 | NTE 375 | |
| 2SB 669 | 2N 6668-BD 718 | NTE 262 | | 2SD 649 | BU 508A | NTE 165 | |
| BC 550C | 2N 5818-BC 547C | NTE 199 | | BC 556B | 2N 6015-BC 307 | NTE 159 | |
| BC 560C | 2N 6003-BC 309 | NTE 234 | | 2SD 660A | 2N 5320-BCX 40 | NTE 224 | |
| 2SB 649A | 2N 6211-BD 238 | NTE 374 | | 2SD 669A | 2SC 3117 | NTE 373 | |
| 2SB 633D | 2N 6211-BD 244C | NTE 378 | | 2SD 613D | BD 243C | NTE 377 | |
Electrolytic Capacitors, NAD 3020E
| Capacitors | Tension | Quantity | Capacitors | Tension | Quantity |
| 4700 µf | 35 volts | 2 | 47 µf | 63 volts | 4 |
| 330 µf | 63 volts | 2 | 1000 µf | 16 volts | 2 |
| 100 µf | 35 volts | 2 | 22 µf | 100 volts | 2 |
| 22 µf | 63 volts | 4 | 220 µf | 16 volts | 4 |
| 2,2 µf | 63 volts | 1 | 1 µf |
100 volts | 4 |
| 4,7 µf | 63 volts | 7 | 47 µf | 35 volts | 11 |
TECHNICAL SPECIFICATIONS NAD 3020E
Power output:
Continuous Power (RMS) 25 watts at 8 ohms per channel
Continuous Power (RMS) 25 watts at 4 ohms per channel
Power Band: 20Hz to 20Khz
Distortion:
Harmonic at rated output: 0,05%
Intermodulation Distortion: 0,05%
Input Sensitivity and Impedance:
Phono: 2,5 mV
Tuner: 180 mV
Aux: 180 mV
Tape In: 180 mV
Signal to Noise Ratio:
Phono: 76 dB
Tuner, Tape In: 85 dB
Aux: 85 dB
Output Impedance: 4, 8 ohms
Dimensions: 420 x 80 x 250 mm
Weight: 5 Kg
Years: 1980-1987
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