Marantz 4400 Ricevitore
Produttore:
Modello:
4400
Data:
0
Categoria:
Gruppo:
Descrizione:
Stereo 2+ Quadradial 4 Receiver

Informazioni

TECHNICAL SPECIFICATIONS PREAMPLIFIER SECTION Dynamic Range ..................................... Phono input: 96dB above 1.5μ/ equivalent noise input Note: Dynamic Range is the ratio in dB of phono overload (100mV) to equivalent input noise (1.5μν). Input Sensitivity and Impedance ........................................................ Phono: 1.8mV, 47 Kohms High Level: 180mV, 100 Kohms Pre-out Output Level ................................................................................................................... 1V Pre-Out Output Impedance............................................................................................... 900 ohms Phono Frequency Response ........................................................ 30Hz to 15KHz ± 1dB (RIAA) Noise-Aux .............................................................................................................................. —80dB Tone Controls ....................................................................................... Treble: ±10dB at 15KHz Bass:±10dBat 50Hz Mid-Range: ±6dB at 700Hz Filters ......................................................,............................. Hi Filter: 9KHz, 12dB per octave Low Filter: 50Hz, 12dB per octave Loudness Compensation ........................................................................................ 7dB at 100Hz 4dB at 10KHz Amplifier SECTION Headphones Output .............................................................0.47 V into 8 ohms at rated distortion Input Sensitivity for MAIN in Front/Rear..................................................................................... 1V Power Output .......................................................... 200 Watts into 8 ohms (50W/channel x 4) 250 Watts into 8 ohms (125W/channel x 2) Total Harmonic Distortion ......................................... At or below rated power, 20Hz to 20KHz Less than 0.15%, typically 0.05% including preamplifier (AUX) IHF Power Bandwidth ............................................................................................... 8Hz—70KHz Frequency Response .......................................................................................±2dB, 5Hz to 70KHz ±1dB, 10Hz to 30KHz Damping Factor .................................................................................. 2-channel Mode: 40 at 20Hz 4-channel Mode: 50 at 20Hz FM SECTION Quieting Slope .............................................................................. 1.8μ/for 30dB, 5μν for 55dB 10μν for 60dB, 50MV for 70dB Ultimate Quieting .................................................................................................... 50μ/ for 70dB Selectivity .............................................................................. Alternate channel, better than 75dB Capture Ratio ...................................................................................................................... 1.5dB Muting Threshold .................................................. Muting threshold variable from 8μ/ to 35μ/ Stereo Separation ....................................................................... 42dB at 1 KHz, 27dB at 15KHz Total Harmonic Distortion .......................................................................... Stereo: Less than 0.3% Mono: Less than 0.2% Frequency Response .................................................................................. +1dB, 30Hz to 15KHz Total Spurious Rejection .................................................................................. Better than 95dB Image Rejection .................................................................................................... Better than 90dB AM Suppression .................................................................................................... Better than 60dB IF Rejection ...................................................................................................... Better than 100dB Antenna Impedance ...................................................... 300 ohm Balanced, 75 ohm unbalanced Quadradial Output ............................................................... 300mV, 15 Kohms for ±75KHz Dev. AM SECTION AM Sensitivity ....................................................................................................................... 20μV Selectivity ... AM Bandwidth Image Rejection Adjacent channel, 1000KHz, better than 30dB ..................................................... (—6dB) 7KHz ............................ 1400KHz, better than 70dB GENERAL Power Requirements ..................................................................................... 120V AC, 50 to 60Hz Power Consumption — at rated power output, all channels ....................................... 690 Watts — idling (no signal)............................................................................ 65 Watts Dimensions — Panel Width .............................................................................. 19-19/64" — 490mm — Panel Height .............................................................................. 5-3/4" — 146mm — Depth ..............................................'....................................... 15-13/64" — 386mm Weight — Unit alone ............................................................................................................ 51.6 lbs — Packed for Shipment ............................................................................................ 62.7 lbs

mostra più dettagli

Manuale di servizio
Tipo di manuale:
Manuale di servizio
Pagine:
56
Dimensione:
7.79 Mbytes (8171381 Bytes)
Lingua:
english
Revisione:
ID del manuale:
290485....
Data:
Qualità:
Documento scansionato, tutto leggibile.
Data caricamento:
2015 03 08
MD5:
57845d80648f824f0cd81fa2f8a76e17
Scaricamenti:
998

Informazioni

Introduction ... 1 Service Notes ... 1 AM Tuner ... 1 FM Tuner ... 2 Phono and Pre-Amplifier ... 5 Dolby Unit ... 6 400Hz Tone ... 7 Dolby NR Switch ... 7 Record Level (L) (R) ... 8 Play Cal. (L) (R) ... 8 Dolby FM Preset Level Controls ... 8 400Hz Tone Switch ... 8 FM De-Emphasis Switch ... 8 Hi-Low Filter Amplifier ... 8 Power Amplifier ... 8 BTL (Balanced Transformer-less) Connection ... 9 Power Supply Circuit ... 9 Audio Trouble Analysis ... 9 Scope Display Circuit ... 9 Scope Circuit Description ... 10 Trouble Shooting of Oscilloscope Circuit ... 11 Test Equipment Required for Servicing ... 12 Scope Display Alignment ... 12 AM Tuning Display Alignment ... 13 FM Tuning Display Alignment ... 13 AM Alignment Procedure ... 13 FM Alignment Procedure ... 13 Audio Adjustment ... 15 Automatic Voltage Regulator Adjustment ... 15 Dolby Alignment Procedures ... 15 Alignment Procedures of Dolby FM Preset Level Controls ... 16 Explanation of the Dolby Processing Chart ... 17 Parts List ... 32 ~ 51 Technical Specifications ... 52,53 This service manual was prepared for use by Authorized Warranty Stations and contains service information for Marantz Model 4400 Stereo 2+Quadradial 4 Receiver. Servicing information and voltage data included in this manual are intended for use by the knowledgeable and experienced technician only. All instruction should be read carefully. No attempt should be made to proceed without a good understanding of the operation in the Receiver. The parts list provides information by which replacement parts may be ordered from the Marantz Company. A simple description is included for parts which can be usually be obtained through local suppliers.

mostra più dettagli