Stereo Receiver Marantz 2270




Marantz 2270





SERVICE MANUAL MARANTZ 2270

Free Download Service Manual



TRANSISTORS EQUIVALENTS MARANTZ 2270

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Transistors Equivalents Approximate datasheet Transistors Equivalents Approximate datasheet
2SC 941 2N 4134 BC 549 B 2SC 372 NTE 123 AP BC 547 NTE 123AP
2SC 644.T BC 549 2SC 644 2SC 829.C BF 494
2SK 30.Y NTE 132 BF 245 A NTE 132 2SC 732 BU.GR BF 115
2SA 494 G.Y BF 342 BC 177 2SC 644.T BC 549 2SC 644
2SK 30.GR NTE 132 BF 245 A NTE 132 2SC 1000.GR.B1 BC 546 NTE 199 NTE 199
2SA 493.Y.GR BC 224 BC 177 2SC 458.L.G BC 147 A
2SC 735.O BC 107 2SC 735 2SA 484 NTE 323 BSV 17 NTE 323
2SD 315.C.D.E.F NTE 175 BDY 92 NTE 175 2SA 566.B 2N 5603
2SA 562.Y BC 221 BC 327 2SD 315.C.D.E.F NTE 175 BDY 92 NTE 175
2SC 696 NTE 128 BC 237 NTE 128 2SC 734.Y NTE 289 BC 546 A NTE 289
2SC 945.R.G BC 407 B 2SC945 2SC 1213.A.B.C NTE 289 BC 337 NTE 289
2SA 640 2SA 641 NTE 234 NTE 234 2SC 984.B BC 337 2SC 984
2SC 733 GR BC 107



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 Stereo Receiver Marantz 2270

Vintage Stereo Receiver Marantz 2270

Vintage Stereo Receiver Marantz 2270

Vintage Stereo Receiver Marantz 2270

Vintage Stereo Receiver Marantz 2270




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