Marantz 4400
Receiver (1976-1977)
Service ManualTECHNICAL SPECIFICATIONS
Tuner:
Tuning range FM: 88 to 108 Mhz
Sensitivity IHF: 1.8 µV
Selectivity: > 75 dB
Stereo Separation: > 42 dB - 1Khz
Tuning range AM: 535 to 1605 Khz
Amplifier:
Power output: (RMS) 2 X 125w/8 ohms
Power: 4 X 50w/4 ohms quadriphonic
Frequency response: 8Hz/70kHz
Output Impedance: 4 or 8 ohms
Damping factor: 60
Total Harmonic output: 0,15%/8 ohms
Channel separation: 35dB
Input Sensitivity Phono: 1.8 mV
Input Sensitivity Tuner: 180 mV
Input Sensitivity Aux: 180 mV
Input Sensitivity Tape In: 180 mV
Signal to Noise Ratio Phono: 70 dB
Signal to Noise Ratio Tuner: 80 dB
Signal to Noise Ratio Aux: 80 dB
Signal to Noise Ratio Tape In: 80 dB
Dimensions: 490 x 146 x 386 mm
Weight: 23.4 Kg
| Transistors | Equiv | Other |
| 2SC644 | BC549-BC184L | NTE199-2N3707 |
| 2SC829 | BF494-NTE85 | KSC838-BF241 |
| 2SK30 | NTE132 | BF245A |
| 2SC1115 | NTE280-BD245D | 2N3442 |
| 2SC1327 | BC547-BC182L | 2N5210 |
| 2SC627B | BF459 | NTE154 |
| 2SC458B | BC147A-BC548 | NTE123A |
| 2SC1318 | NTE128-BCW36 | BC337-2N4410 |
| 2SC1507 | NTE198-BUX84 | BF459-2N5100 |
| 2SC828S | BC547-NTE199 | KSC945 |
| 2SC732 | BF115 | NTE199 |
| 2SK30A | NTE132 | BF245A |
| 2SC644S | BC549-BC184L | 2N3707 |
| 2SA494 | BF342-2N4058 | NTE159-BC177 |
| 2SD382M | NTE291 | |
| 2SB537 | 2N6111-NTE153 | BD242C |
| 2SC1345 | BC414 | NTE199 |
| 2SA494 | NTE159-BF342 | 2N4058-BC177 |
| 2SC1344 | NTE199-BC109 | 2N5210 |
| 2SC458 | BC147A-NTE123A | BC548 |
| 2SK30 | NTE132 | BF245A |
| 2SA722 S | 2N4061-NTE234 | BC212L |
| 2SC945 | BC407B-NTE85 | KSC945 |
| 2SA733 | BC251A-BC212L | 2N4061-NTE290 |
| 2SA720 | NTE290A-BC327 | BCW37-2N2904 |
| 2SA763 | NTE234-BC214 | 2N2214 |
| 2SC1327 | BC547-BC182L | 2N5210 |
| 2SA640 | 2N4058-NTE 234 | BC214L |
| 2SA722 | 2N4061-NTE234 | BC214L |
| 2SC627B | BF459 | NTE154 |
| 2SA746 | 2N5625 NTE219 | BDX20-2N3790 |
| 2SB527 | BD140-NTE292 | 2N6180 |
| 2SD331 | NTE152-BD533 | 2N6099 |
| 2SC733 | BC107-KSC945 | BC182L-2N3710 |
| 2SC1344 | NTE199-BC109 | BC548-2N5210 |
| Capa µf | Volts | Quantity (193) |
| 20000 | 50 | 2 |
| 1000 | 63 | 1 |
| 470 | 63 | 1 |
| 470 | 16 | 1 |
| 330 | 50 | 1 |
| 330 | 25 | 1 |
| 220 | 63 | 1 |
| 220 | 50 | 9 |
| 220 | 35 | 2 |
| 220 | 25 | 3 |
| 220 | 16 | 3 |
| 220 | 10 | 1 |
| 100 | 35 | 3 |
| 100 | 16 | 2 |
| 47 | 63 | 1 |
| 47 | 35 | 4 |
| 47 | 16 | 6 |
| 47 | 10 | 5 |
| 33 | 35 | 1 |
| 33 | 10 | 1 |
| 22 | 250 | 1 |
| 22 | 35 | 4 |
| 22 | 25 | 4 |
| 10 | 35 | 2 |
| 10 | 16 | 53 |
| 10 | 6.3 | 4 |
| 4.7 | 35 | 9 |
| 4.7 | 25 | 4 |
| 4.7 | 16 | 4 |
| 3.3 | 50 | 13 |
| 3.3 | 35 | 4 |
| 3.3 | 25 | 4 |
| 3.3 | 10 | 4 |
| 2.2 | 25 | 4 |
| 1 | 50 | 5 |
| 1 | 35 | 3 |
| 1 | 25 | 6 |
| 0.47 | 50 | 8 |
| 0.22 | 50 | 2 |
| 0.22 | 35 | 2 |
| 0.1 | 50 | 4 |