Amplificator Marantz model 2270: 4 iesiri, vintage amplifier, design in USA, made in japan, 500W consum, 2 radiatoare, multipath, hiblend, low/high filter, loudness, muting, bass/medii/inalte, balance, reglaj pe fiecare canal, radio cu scala iluminata, vu metre signal, gyro touch tunning, poze reale.

General

Manufacturer: Marantz
Model: 2270
Years of manufacture: 1971 - 1975
Made in: Japan (the often made statement that the first models are made in USA is wrong).
Color: Silver (Black)
Remote control: no
Power consumption: 500 W max / 38 W rest
Dimensions: 439 x 137 x 366 mm (WxHxD)
Weight approx.: 17.7 kg
Price: Lt. Marantz price lists v.10/72, 73 and 74 2.895,00 DM

Connections

Number of inputs:
2x Tape Play, Aux: 180 mV / 100 kOhm.
2x Phono: 1,8 mV / 47 kOhm
1x FM antenna ext. (300 Ohm)
MW antenna
Dubbing in
Main In
Number of outputs:
2x Tape Rec: 775 mV
Quadradial
Dubbing out
Pre Out
Headphones (6,3mm jack)
2 pairs of speakers

Technical Data

Amplifier

Continuous power (at distortion factor): 0.3%.
16 Ohm: 2x 53 W (DIN) 8 Ohm: 2x 70 W (RMS)

8 Ohm: 2x 90 W (DIN)
4 Ohm: 2x 140 W (DIN)
Dynamic power:
8 Ohm: 2x 135 W
4 Ohm: 2x 210 W
Total harmonic distortion: 0,3%
Dämpfungsfaktor: 45 (8 Ohm)
Frequenzgang: 20 - 20.000 Hz (±1 dB)
Leistungsbandbreite: 7 - 50.000 Hz
Signalrauschabstand: 80 dB (Hochpegel)
Stereokanaltrennung: >35 dB
Tone control: (each L/R separated)
Bass: ±14 dB (50 Hz)

Mids: ±6 dB (800 Hz)
Treble: ±12 dB (15 kHz) Loudness: 100 Hz (+8 dB), 10 kHz (+5 dB)

High Filter: yes
Low Filter (Subsonic): yes
Mute:

Tuner

Reception: FM/MW
Frequencies:
FM: 87.5 - 108 MHz
MW: 540 - 1,602 kHz
Frequency response: 50 - 15,000 Hz (±1dB)
Input sensitivity:
VHF: 1.3 µV of 26 dB, 1.5 µV of 30 dB.
MW: 25 µV
Distortion factor:
FM: 0.2% (mono), 0.4% (stereo).
Signal-to-noise ratio:
Channel separation:
FM: 40 dB (at 1 kHz)
Selectivity:
Equal wave selection:
FM: 1.9 dB
Spurious wave selection:
FM: 80 dB
Mirror frequency attenuation:
VHF: 90 dB
IF attenuation:
FM: 100 dB
AM suppression: 60 dB