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Marantz - 2285B - Receiver
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2285B
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AUDIO SECTION: POWER OUTPUT AT 1% DISTORTION .......................................................................................................................................................................... 160 W RATED POWER OUTPUT, 1 kHz......................................................................................................................................................................................... 122 W TOTAL HARMONIC DISTORTION AT RATED POWER OUTPUT, 1 kHz...............................................................................................................0.1% I.M. DISTORTION AT RATED POWER OUTPUT (I.H.F. METHOD, 300 Hz AND 10 kHz MIXED 4:1 AT RATED POWER OUTPUT) .....................................................................................0.1% POWER BANDWIDTH (% RATED POWER OUTPUT) ................................................................................................................................. 8 Hz -30 kHz LOAD IMPEDANCE ...............................................................................................................................................................................................................4 ohms POWER OUTPUT AT 1% DISTORTION .......................................................................................................................................................................... 110 W RATED POWER OUTPUT, 1 kHz............................................................................................................................................................................................94 W TOTAL HARMONIC DISTORTION AT RATED POWER OUTPUT, 1 kHz...............................................................................................................0.05% I.M. DISTORTION AT RATED POWER OUTPUT (I.H.F. METHOD, 300 Hz AND 10 kHz MIXED 4:1 AT RATED POWER OUTPUT) .....................................................................................0.1% POWER BANDWIDTH ('Δ RATED POWER OUTPUT)................................................................................................................................. 8 Hz - 30 kHz LOAD IMPEDANCE ...............................................................................................................................................................................................................8 ohms Damping Factor, Speaker Output 40 Hz..................................................................................................60 1 kHz ..................................................................................................60 12.5 kHz ...........................................................................................40 Frequency Response Phono ±2 dB .........................................................18 Hz-30 kHz Aux ±1.5 dB.....................................................10 Hz — 40 kHz Main In ±1.5 dB...................................................... 8 Hz-45 kHz Signal-to-Noise Ratio, 1 kHz Phono...........................................................................................50 dB Aux ...............................................................................................50 dB Main In ........................................................................................55 dB Input Sensitivity, 1 kHz (Rated Input Voltage) Phono........................................................................................1.8 mV Aux ........................................................................................ 180 mV Main In ..................................................................r...................1.5 V Input Impedance, 1 kHz Phono.................................................................................. 47 kohms Aux ..................................................................................... 20 kohms Main In ............................................................................... 40 kohms Phono Equivalent Noise...............................................................1.8 μν Phono Dynamic Range ..................................................................98 dB Phono Input Capacitance............................................................100 pF Channel Balance Phono 0------40 dB...............................................................2.5 dB Aux 40 Hz-16 kHz......................................................2.0 dB Main In ..................................................................................... 1.0 dB Interchannel Crosstalk Phono 1 kHz ............................................................................38 dB 250 Hz - 10 kHz.........................................................33 dB Aux 1kHz............................................................................45 dB 250 Hz - 10 kHz.........................................................33 dB Tape 1 kHz ............................................................................45 dB 250 Hz - 10 kHz.........................................................33 dB Main In 1 kHz ............................................................................55 dB 250 Hz - 10 kHz.........................................................50 dB Intersource Crosstalk (Worst Point) 1 kHz...........................................................................................45 dB 250 Hz - 10 kHz........................................................................33 dB Output Voltage, 1 kHz Tape Out..................................................................................0.18 V Pre-Out........................................................................................1.5 V Output Impedance, 1 kHz Tape Out............................................................................ 500 ohms Pre Out............................................................................... 200 ohms Overload Margin, 1 kHz Phono...........................................................................................40 dB Aux ...............................................................................................50 dB Power Consumption Idling ...........................................................................................50 W Rated Power, 1 kHz............................................................... 350 W FM TUNER SECTION: Frequency Range......................................................... 87.5 — 108 MHz Usable Sensitivity 40 kHz Deviation, 98 MHz Mono, S/N26dB.....................................................................1.3 μν Stereo, S/N 46 dB.....................................................................42 μν Alternate Channel Selectivity, 98 MHz ±300 kHz...................67 dB Image Response Rejection, 98 MHz............................................90 dB IF Rejection, 98 MHz.....................................................................80 dB Spurious Response Rejection, 98 MHz ......................................90 dB AM Suppression, 98 MHz...............................................................55 dB Signal-to-Noise Ratio, 98 MHz Unweighted: Mono ..................................................................65 dB Stereo..................................................................62 dB Weighted: Mono ..................................................................69 dB Stereo..................................................................65 dB Pilot Signal & Subcarrier Rejection 19 kHz...........................................................................................65 dB 38 kHz...........................................................................................70 dB Total Harmonic Distortion, 98 MHz Mono ...........................................................................................0.15% Stereo...........................................................................................0.25% Frequency Response 30 Hz-15 kHz .........................................................+0.2,-1.0 dB Separation 250 Hz -6.3 kHz......................................................................43 dB 6.3 - 12.5 kHz............................................................................38 dB Channel Balance ............................................................................0.3 dB Output Voltage, 1 kHz ............................................................ 910 mV Output Impedance, 1 kHz...................................................... 150 ohms Acceptable Load Impedance, 1 kHz................................... 47 kohms Antenna Terminals Balanced............................................................................... 300 ohrr Unbalanced............................................................................75 ohrr AM TUNER SECTION: Frequency Range......................................................... 515 — 1650 kh Usable Sensitivity (26 dB S/N 30% Mod., 1 MHz)...................20 μ'’ Selectivity, 1 MHz +9 kHz ............................................................20 d Image Rejection, 1 MHz..................................................................43 d IF Rejection, 1 MHz.........................................................................23 dB Spurious Response Rejection, 1 MHz.........................................85 dB Signal-to-Noise Ratio, 1 MHz........................................................55 dB Frequency Response, 1 MHz +3 dB......................40 Hz — 2.3 kHz Total Harmonic Distortion, 1 MHz............................................... 0.4% GENERAL: Power Requirements................................................... 220 V AC, 50 Hz (E and N versions are featuring an external voltage selector for use on 110/120/240 V. Other versions can be converted by a qualified technician to operate on 110/120/240 V.' Power Consumption at Rated Output, Both Channels Operating............................................................................ 340 W ± 20 V. Idling Power .........................................................................50W+101'' Semiconductor Complement Integrated Circuits............................................................................ Transistors ........................................................................................<- Diodes..................................................................................................63 Field Effect Transistors.................................................................. 2 Dimensions Panel Width.........................................................17-5/16" (440 mm) Panel Height .........................................................5-3/8" (137 mm) Depth.................................................................. 14-1/2" (362 mm) Weight Unit alone...............................................................37.4 lbs (17.0 kg) Packed for shipment............................................42.9 lbs (19.5 kg)

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Reparaturanleitung
Dokumenttyp:
Reparaturanleitung
Seitenanzahl:
40
Größe:
3,0 MB
Sprache:
Englisch
Revision:
Dokument-ID:
221385501-0
Datum:
Qualität:
Gescanntes Dokument, alles ist lesbar.
Upload Datum:
8. März 2015
MD5:
8f3f038e-cf99-ca16-7d17-082fd21fca6e
Downloads:
639