Receptor Marantz 2270






Receptor Marantz 2270





MANUAL DE SERVICIO 2270

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TRANSISTORES EQUIVALENTES MARANTZ 2270


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Transistors Equivalents Other Transistors Equivalents Other
2SC941 2N4134-NTE123AP BC549B 2SC372 NTE123AP-KSC945 BC547
2SC644 BC549-BC184L 2N3707-NTE199 2SC829 BF494-NTE85 KSC838-BF241
2SK30 NTE132 BF245A 2SC732 BF115 NTE199
2SA494 BF342-NTE159 BC177-2N4058 2SC644 BC549-NTE199 BC184L-2N3707
2SK30 NTE132 BF245 A 2SC1000 BC546 NTE199
2SA493 BC224-BC416A BC177-NTE290A 2SC458 BC147A NTE123A
2SC735 BC107-BCW36 2N3704-KSC2001 2SA484 NTE323-2N4037 BSV17-BFS93
2SD315 NTE175-2N6373 BDY92-BDY71 2SA566 2N5603-2N3741 BDX16-NTE218
2SA562 BC221-NTE290 BC327-BC328 2SC696 NTE128-2N4877 BC237-2SC731
2SC1213 NTE289A-BC337 KSC2001-2N4001 2SC734 NTE289-BC182L BC546A-2N3710
2SC945 BC407B-NTE85 KSC945 2SA640 2SA641-NTE234 BC214L-2N4058
2SC984B BC337-NTE123AP BSW64-2N2222A 2SC733 BC107-KSC945 BC182L-2N3710
NJ703W NTE703A


Electrolytic Capacitors (75)



Capacitors Tension Quantity Capacitors Tension Quantity
9000 µf 55 volts 2 4700 µf 63 volts 1
470 µf 16 volts 1 330 µf 50 volts 2
220 µf 25 volts 1 220 µf 16 volts 1
220 µf 10 volts 1 100 µf 50 volts 1
100 µf 35 volts 1 100 µf 16 volts 1
100 µf 10 volts 3 47 µf 16 volts 1
33 µf 10 volts 2 22 µf 6.3 volts 3
10 µf 50 volts 1 10 µf 35 volts 4
10 µf 16 volts 31 4.7 µf 45 volts 2
4.7 µf 35 volts 3 3.3 µf 35 volts 1
3.3 µf 25 volts 4 1 µf 50 volts 1
1 µf 35 volts 2 1 µf 25 volts 4
0.1 µf 20 volts 1



TECHNICAL SPECIFICATIONS



Tuner:

Tuning range FM: 88 to 108 Mhz
Sensitivity IHF: 2.3 µv
Selectivity: > 80 dB
Stereo Separation: > 40 dB - 1Khz

Tuning range AM: 535 to 1605 Khz

Amplifier

Power output:

Continuous Power (RMS) 70 watts at 8 ohms per channel
Continuous Power (RMS) 70 watts at 4 ohms per channel
Continuous Power (RMS) 40 watts at 16 ohms per channel
Power Band: 20Hz to 20Khz
Output Impedance: 4, 8 ohms

Distortion:

Frequency response: 7Hz to 50kHz +/- 1dB
Harmonic at rated output: 0,3%
Intermodulation Distortion: 0,3%
Damping Factor: 45 - 8 ohms

Input Sensitivity and Impedance:

Phono: 1,8 mV
Tuner: 180 mV
Aux: 180 mV
Tape In: 180 mV

Signal to Noise Ratio:

Phono: 80 dB
Tuner, Tape In: 96 dB
Aux: 96 dB
Channel separation: Phono: 35 dB, Aux: 35dB


Dimensions: 442 x 142 x 355 mm
Weight: 17,4 Kg

Years: 1972-1974




Vintage Receptor Marantz 2270

Vintage Receptor Marantz 2270

Vintage Receptor Marantz 2270

Vintage Receptor Marantz 2270

Vintage Receptor Marantz 2270



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