Fantastica coppia Pre e Finale Hitachi Mos Fet , totalmente revisionato e funzionante . Cambiati condensatori e pulito potenziometri e commutatori. Potenza 80+80 watt a 0,005 % di distorsione . Bridged a 150 watt Mono. Suono eccellente , nessun rumore di sottofondo , ne scratch sui potenziometri . Nessun graffio nel frontale del pre e finale , solo qualche graffio nella parte lamiera superiore del preamplificatore. Molto raro da trovare , revisionato da tecnici professionisti Spedizione assicurata e tracciata , in contenitore industriale robusto, dato il peso. Caratteristiche -------------------------------------------------------------------- FINALE : Model: HMA-7500 MKII Type: MOS FET power amplifier Years of manufacture: 1980 - 1983 Made in: Japan Color: Champagne Remote control: No Power consumption: 420 W (1/3 rated power), 620 W (rated power) Dimensions (WxHxD): 435 x 165 x 320 mm Weight: 14 kg Original price approx.: 1'298 DM Connections Number of inputs: 2 1 x Cinch (Stereo) direct coupling 1 x Cinch (stereo) condenser coupling Number of outputs: 2 2 x loudspeaker (stereo)A + B Technical data Sine power (0.005 %) 8 Ohm: 80 W 4 Ohm: 80 W 8 Ohm mono (bridged): 150W Power bandwidth: 5 Hz - 100,000 Hz Input sensitivity: 1V/47kOhm Total harmonic distortion: 0,005 % * Attenuation factor: 100 dB Attenuation factor: 100 dB (1kHz) Frequency response: 0.5 Hz - 100,000 Hz Signal-to-noise ratio: 118 dB Special Features Mono bridgeable (BTL) Direct connection and capacitor switched connection ---------------------------------------------------------- PREAMPLIFICATORE : Model: HCA-7500 II Type: Preamplifier Years of manufacture: 1980 - 1983 Made in: Japan Color: Black, Silver, Titanium Remote control: No Power consumption: 8 watts Dimensions: 435 x 83 x 292 mm (WxHxD) Weight: 4.5 kg Original price approx.: 798 DM Connections Number of inputs: 4 PHONO MM: 25 mV (22, 47, 100 kOhm) PHONO MC : 0,1 - 2,5 mV (100 kOhm) TUNER, AUX : 150 mV (47 kOhm) TAPE : 150 mV (47 kOhm) Number of outputs: 3 PRE OUT : 1 V (600 Ohm) TAPE REC OUT: 150 mV (600 Ohm) PHONES OUT: 70 mV (90 Ohm) Specifications Frequency response: PHONO (RIAA): 20-20000 Hz (±0.2 dB). TUNER, AUX : 5- 100000 Hz (+0 / -1.5 dB) Distortion factor: PHONO: < 0.005% at REC OUT level 5 V. TUNER, AUX: < 0.005% at PRE OUT level 5 V Signal-to-noise ratio: PHONO MM: 91 dB PHONO MC: 75 dB TUNER, AUX : 104 dB TAPE : 104 dB Tone control: Bass: ±8 dB (150 Hz, 100 Hz transition at 150 Hz, 300 Hz). Treble: ±18 dB (10 kHz, 20 kHz transition at 3 kHz, 6 kHz) Loudness: (when volume control is set to -30dB) +8 dB (150 Hz) +8 dB (10 kHz) Subsonic Filter: 15 Hz (6 dB/oct.) Mute: - 20 dB Special Features Record selector switch Mono/stereo switch Phono MM & MC