Αρ. 100576617

Hitachi - HCA-6500 HMA-6500 FT-4400 Στερεοφωνικός γραφικός ισοσταθμιστής
Αρ. 100576617

Hitachi - HCA-6500 HMA-6500 FT-4400 Στερεοφωνικός γραφικός ισοσταθμιστής
General
Manufacturer: Hitachi
Model: HMA-6500
Type: Stereo power amplifier
Years of manufacture: 1977 - 1980
Made in: Japan
Color: Silver or Black
Remote control: No
Power consumption: 430 W
Dimensions: 435 (W) x 182 (H) x 404 (D) mm
Weight: 9.4 kg
Connections
Number of inputs: 1 (approx. 50kOhm input resistance)
Number of outputs: 2 loudspeaker pair2
Technical Data
Continuous power (at distortion factor)
8 Ohm: 50 W/K. + 50 W/K. (20 Hz - 20 kHz, 0.02% total harmonic distortion)
4 Ohm: 55 W/K. + 55 W/K. ( 1 kHz, 0.02% total harmonic distortion)
Dynamic power
8 Ohm:
4 Ohm:
Total harmonic distortion:
half rated power Less than 0.003%.
at rated power Less than 0.02%
Attenuation factor: 50 (1 kHz, 8 ohms)
Frequency Response:
5 Hz - 100 kHz (+0/-1 dB) with capacitive coupling.
DC - 100 kHz (+0/-1 dB) with direct coupling
Signal-to-noise ratio: Noise-to-noise ratio 115 dB (IHF, A network)
Stereo channel separation: 80 dB (1 kHz, 8 ohms)
Loudspeaker impedance:
4-16 ohms (A,B)
8-16 Ohm (A+B)
Special Features
Switch on rear side for direct/capacitive coupling
General
Manufacturer: Hitachi
Model: HCA-6500
Type: Stereo preamplifier
Years of manufacture: 1977 - 1980
Made in: Japan
Color: Silver or Black
Remote control: no
Power consumption: 3.5 W
Dimensions: 435 (W) x 78 (H) x 275 (D) mm
Weight: 3.5 kg
Connections
Number of inputs: 5
PHONO: 2.5 mV (50 kOhm)
TUNER, AUX: 150 mV (40 kOhm)
TAPE 1,2: 150 mV (40 kOhm)
Number of outputs: 3
PRE OUT: 1 V ( 4,7 kOhm )
TAPE 1,2 REC OUT: 150 mV (1 kOhm)
Technical Data
Frequency response:
PHONO (RIAA): 30-20000 Hz (±0.3 dB).
TUNER, AUX, TAPE: 20-20000 Hz (+-0 dB)
Distortion factor:
PHONO:
Less than 0.005% at REC OUT level 1 V
Less than 0.01% at REC OUT level 20 V
TUNER,AUX,TAPE:
Less than 0.005%
Signal-to-noise ratio:
PHONO: 83 dB (input level 2 mV)
TUNER,AUX,TAPE1,TAPE2: 90 dB (output level 1 V)
Stereo channel separation:
Tone control:
Bass: ±9 dB ( 100 Hz )
Treble: ±9 dB ( 10 kHz )
Loudness: (when volume control is set to -30dB)
+6 dB (100 Hz)
+5 dB (10 kHz)
Low Filter (Subsonic): 20 Hz (6 dB/oct.)
Mute: automatic at power on/off and manual
Direct/Line-Straight: yes, "Tone defeat
Special Features
From the Service Manual:
Low distortion, high signal-to-noise ratio equalizer.
ICL, DC equalizer amplifier
Rumble filter that suppresses whine and ultra-low frequency rumble without degrading sound quality.
Click-stop volume and tone controls
Tone-defeat switch ** Built-in muting circuitry Built-in muting circuit
Algemeen
Fabrikant: Hitachi
Model: FT-4400
Bouwperiode: 1980/81 - 1983
Gemaakt in Japan
Kleur: Zilver
Afstandsbediening: Nee
Stroomverbruik: 11 watt
Afmetingen (B x H x D): 435 x 83 x 294 mm
Gewicht: ca. 4,3 kg
Verbindingen:
Aantal ingangen: 3
FM-antenne: 75 ohm (IEC)
FM-antenne: 300 ohm (schroefklemmen)
AM-antenne: Staafantenne en externe antenne (RCA)
Aantal uitgangen: 1
Audio: 550 mV (400 Hz, 75 Hz Dev.) (RCA)
Technische gegevens
Ontvangst: FM/AM
Frequentie:
FM: 87,50 - 108 MHz
MW: 522 - 1611 kHz
Ingangsgevoeligheid:
VHF Mono: 1,0 µV (75 Ohm, IHF en DIN), 10,8 dBf (nieuwe IHF)
MW: 15 µV (IHF), 15 µV (DIN)
Frequentiebereik: 30 - 12.000 Hz (+ 0,5, - 1,0 dB)
Totale harmonische vervorming:
Mono 1 kHz: 0,08%
Stereo 1 kHz: 0,1%
Signaal-ruisverhouding:
Mono: 75 dB (IHF), 68 dB (DIN)
Stereo: 71 dB (IHF), 64 dB (DIN)
Externe spanningssignaal-ruisverhouding:
Signaal-ruisverhouding (gewogen):
Kanaalscheiding:
1000 Hz: 50 dB (IHF en DIN)
Onderscheidingsvermogen:
DIN 45301: 70 dB (300 kHz)
IHF: 65 dB (400 kHz)
Selectie op dezelfde frequentie: 1,5 dB (IHF en DIN)
Selectie van schadelijke harmonischen: dB (IEC)
Beeldfrequentieverzwakking: 70 dB
IF-verzwakking: 85 dB
AM-onderdrukking: 50 dB (IHF en DIN)
RDS: -
Voorkeurzenders: 6 voor FM en 6 voor AM
Bijzondere kenmerken
Kwarts PLL-synthesizertuner met 5-cijferig digitaal display (rasterafstand van 50 MHz)
Automatisch of handmatig zoeken via aanraaktoetsen
6 voorkeurzenders voor FM en AM
Signaalsterkte- en afstemcentrumindicator in LED-design
Gecombineerde mute/mono-schakelaar
Aparte aansluiting (RCA) voor MW-frame en externe antenne
Frequentiegenerator (440 Hz) voor opnamevoorbereiding (referentieniveau)
Opmerkingen
Qua constructie identiek aan model FT-R 10 , maar zonder aansluiting voor afstandsbediening.
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