Description
Amplificatore per impianti stereoMarca MARANTZProduzione Americana anni 60Ottime condizioni - Funzionante - Cassa e frontale in ottimo stato - necessita di una pulizia generale - la cordina della frequenza radio è presente e non ha rotture ma credo vada tirata perchè e lenta e fa fatica a trascinare il variatore di frequenze - il frontale si illumina ma ha un intensità bassaPeso 11kg Numero di transistorA semiconduttori.SemiconduttoriHA1151 HA1156W 2SD188 2SD188 2SA627 2SA627Principio generaleSupereterodina (in generale); ZF/IF 455/10700 kHzGamme dondaOnde medie (OM) e MF (FM).ParticolaritàHi-Fi equipmentTensioni di funzionamentoAlimentazione a corrente alternata (CA) / 110; 120; 220; 240 VoltAltoparlante- Questo apparecchio richiede altoparlante/i esterno/i.Potenza duscita40 W (indistorta)MaterialiMobile di metalloRadiomuseum.orgModello: Stereophonic Receiver 2220B - Marantz Sound United LLC;FormaApparecchio per ripiani a scaffale (come i componibili HiFi).Dimensioni (LxAxP)17.375 x 5.375 x 14 inch / 441 x 137 x 356 mmAnnotazioniA hi-fi stereo receiver with an AM/FM stereo tuner with analogue dial and an integrated amplifier with power output of 2 x 20 watts RMS into 4 ohms or 8 ohms, housed in a metal case (wooden case optional). With an AM/FM Tuning meter, Gyro Touch tuning, rotary controls for Bass, Mid, Treble and Volume, slider Balance control, rotary Selector switch (AM, FM, Phono, Tape2, Aux), push button switches for Tape1 Monitor, Mono, Low Filter (not on US model), Hi Filter, Loudness, FM Muting, Speakers Main and Remote, jack for headphones and on the US model, a 25µS Dolby FM switch. On the back, an AM ferrite rod antenna, terminals for AM and FM antennae, RCA phono sockets for input phono (MM) and Aux, for input/output for 2 Tapes and for FM Quadradial output, terminals for 2 pairs of loudspeakers, switched and unswitched AC outlets.Specification Audio Section Rated Power Output (Continuous Averageper Channel, All Channels Driven)20Hz-20kHz, THD 0.5% Into 4? Into 8? Into 16?20 Watts20 Watts10 WattsDynamic range(phono input to tape recording output)96dBIM Distortion (SMPTE), at rated power0.9%Total Harmonic Distortion, at rated power0.5% Max.Power Bandwidth (IHF) for 0.5% THD10Hz-50kHzDamping Factor (8?)> 20Frequency Response through phono2.0dBInput Sensitivity (for 15W at 8?) Line Phono (1kHz)180mV1.8mVInput Impedance Line Phono100k?47k?Channel Separation 20Hz-10kHz30dB Min.FM Section IHF Usable Sensitivity2.5µVSelectivity50dBNoise Quieting -70 dB at 1.000µVTHD, 400 Hz, 100% Mod0.3% Max.Frequency Response50Hz-15KHz ±1dBStereo Separation 1kHz40dBSub Carrier (38kHz) Suppression60dBAM Section Sensitivity25µVVersions/Power requirements120V AC 50/60Hz (US model)110/120/220/240V AC 50/60Hz switchable internallyPower consumption: 130 wattsSee also the Marantz 2220BL Stereophonic Receiver which additionally has LW and also similar to the earlier Marantz 2220 Stereophonic Receiver.Designed in USA,
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