Marantz 2500 Receiver
(1977-1979)
TECHNICAL SPECIFICATIONS
Tuner:
Tuning range FM: 88 to 108 Mhz
Sensitivity IHF: 1.5 µV
Selectivity: > 85 dB
Stereo Separation: > 50 dB - 1Khz
Tuning range AM: 535 to 1605 Khz
Amplifier:
Power output: (RMS) 2 X 250w/8 ohms
Frequency response: 20Hz/20kHz
Output Impedance: 8 ohms
Damping factor: 60
Total Harmonic output: 0,05%/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: 83 dB
Signal to Noise Ratio Tuner: 98 dB
Signal to Noise Ratio Aux: 98 dB
Signal to Noise Ratio Tape In: 98 dB
Dimensions: 491 x 178 x 435 mm
Weight: 27 Kg
Transistors | Equiv | Other |
2SC828S | BC239-C373 | KSC945-NTE108 |
2SK30A | NTE458-2N3821 | NTE132-BFS70 |
2SC1568 | BD375-KT929A | NTE184-KSD882 |
2SD610 | BDY96-2N6545 | KT828B-BUX84 |
2SB630S | NTE398-2N6211 | BD240F-KT855A |
2SD555S | BUX17C-2N6251 | NTE87 |
2SB600S | NTE88 | MJ15016-2SA1116 |
2SD667A | BSW66-2N4001 | NTE382 |
2SC1681 | BC184L-2SC689 | 2N5210-KT3102A |
2SA841 | BC214L-2N3496 | KT3108A-NTE159 |
2SC1573 | BSX21-2N6218 | KT666A9 |
2SA941 | 2N3930-KT667A9 | NTE290A-KSA992 |
2SC945 | NTE199-BC182L | 2N3710-KSC945 |
2SA733 | BC212L-2N4061 | NTE290-KSA733 |
2SB647A | BCX50-2N5401 | KSA916-NTE383 |
3SK59 | NTE222 | BF981 |
2SC1327 | BC182L-2N5210 | BC238-BC547 |
2SC1047 | BF198-NTE107 | BF377-2N2857 |
2SC829 | BF494 | NTE107 |
2SA842 | BC214L-2N3496 | KT3108A |
2SC545 | BF185-2N3983 | NTE107-KSC1674 |
2SA912 | BF423-2SA1482 | NTE288 |
2SC1885 | BF422-KSC2310 | 2SC589 |
2SC2088 | BFT57-2N5058 | KT604AM-KSC1845 |
2SA939 | BF470-2N3930 | KT667A9 |
2SA750 | BC640-2N5416 | KT3107K |
2SD313 | BD587-2N5298 | BD235-KSD526 |
2SC313 | NTE161 | |
2SC1756 | BD232-2N5100 | KT504A |
Diodes | Equiv | Other |
2DL15 | NTE506 | |
1N60 | NTE109 | AA119 |
W06B | NTE116 | |
W06C | NTE116 | |
1S2473 | NTE177 | DX0048CE |
WZ071 | NTE138A | |
S5VB40 | NTE5314 | |
1S1555 | NTE177 | 1N4148 |
2OA90 | NTE110MP | |
1S2471 | NTE177 | NTE519 |
DS130YA | NTE116 | |
DS131B | NTE116 | |
EQA01-35R | NTE5037A | |
1N60 | NTE109-1N34 | AA119 |
WZ140 | NTE145A | |
Integ circ | Equiv | Other |
HA1197 | NTE1214 | |
TA7136P | NTE7136 | |
LA1222 | NTE1227 | |
TA7301P | ||
NPC555H | ||
Capa µf | Volts | Quantity (81) |
7200 | 100 | 2 |
1000 | 63 | 1 |
470 | 63 | 1 |
220 | 50 | 2 |
220 | 25 | 1 |
220 | 16 | 2 |
220 | 6.3 | 1 |
100 | 16 | 10 |
100 | 6.3 | 1 |
47 | 16 | 1 |
22 | 250 | 1 |
22 | 16 | 4 |
22 | 10 | 2 |
10 | 250 | 1 |
10 | 100 | 1 |
10 | 50 | 2 |
10 | 25 | 2 |
10 | 350 | 2 |
10 | 16 | 12 |
4.7 | 50 | 4 |
4.7 | 50 | 1 |
4.7 | 35 | 4 |
4.7 | 25 | 1 |
3.3 | 50 | 1 |
2.2 | 35 | 2 |
1 | 50 | 2 |
1 | 35 | 7 |
0.47 | 35 | 2 |
0.33 | 35 | 1 |
0.22 | 50 | 1 |
0.22 | 35 | 3 |
0.1 | 35 | 2 |