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Technics SU-A2

Legendary Class A Stereo DC Control Amplifier. FRONT PANEL CONTROLS

LEFT: Meters with Decibel Scale (-50 to +10dB) and Voltage Scale (0.003-1 V). Power Switch, Phones (voice-coil impedance 4-600 Ω, phones only -∞). Meter Mote for Average (attack time 0.33 sec), Peak (attack time 0.00005 sec) and Peakhold (max. detected value held as meter reading for 2 h). Filter Switches (Low, High, EQ Subsonic).

MIDDLE: Pilot Lamps (OSC, Mic). Input Selectors single touch pushbuttons with pilot lamp and memory function of program source for Aux, Tuner, Phono, Tape 1, 2 or 3 Rec/PB). Rec Selector pushbuttons with pilot lamps for Tape Dubbing (1>2-3, 2>1-3, 3>1-2), Aux, Tuner (with special memory function), Phono, Off. Tone Position (Rec Out, Pre Out, Off). Mode Selector (rev, stereo, L+R, L, R). Balance Control. Operation Switch(DC, low cut 2 Hz).

RIGHT: Phono and Cartridge Selectors (Phono 1 MC/MM, Phono 2 MC/MM). Master Volume Control (variable loudness), Loudness (On/Off), Muting (-∞, Off, -20dB).

BEHIND FRONT FLAP

LEFT: Phones Level Switch. Pre Out Terminals. Meter Section with Attenuator (-10 dB to -20 dB) and Input Selector (ext, mic, pre out, rec out). OSC Section with Frequency Control (20-20,000 Hz) and Mode Selector (square wave, sine wave, off, warble tone, pink noise). Microphone Section with Jacks (left, rigth), Mixing Level Control and Impedance Selector (600 Ω, 500 kΩ, Mixing, Off).

MIDDLE: Universal Tone Equalizer Section with Tone Mode Selectors, 4 Band Level Controls (-10 dB∼-10 dB) and Selectors for Bandwidth (0.7-7) and Frequency (15-240 Hz; 63-1,000 Hz; 250-4,000 Hz; 1-16 kHz).

RIGHT: Phono (1, 2) Selectors Section with Level Controls (2.5-10 mV) and Selectors for Input Capacitance (100pF∼500pF) and Input Resistance (MM 22∼100 kΩ; MC 10∼220 Ω). Tape 3 terminal (Front/back, PB, Rec Out).

Specifications: Operating Instructions


Technics SU-A2
Haga Click para agrandar
Technics SU-A2
Haga Click para agrandar


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Specifications:
1. General
Sistema: Transistor DC Control Amplifier
Color: 2
Consumo Corriente: 300 W @ 120/240 V
Pre Amplifier
Entradas: Phono MM I+II; Phono MC; Tuner; Tape; AUX; Mic, 2 Meter Ext. Input
Quadro: no
Sensibilidad Alto Nivel: 150 mV
Impedancia Alto Nivel: 47 kΩ
Respuesta Frecuencia A. L.: DC~20,000 (+0/-0.2 dB) HZ
Sensibilidad Phono: 2.5 mV
Impedancia Phono: 22/ 33/ 47/ 75/ 100 kΩ
Sensibilidad Phono: 2.5 mV
Impedancia Phono: 22/ 33/ 47/ 75/ 100 kΩ
Rispuesta Frecuencia Phono: DC~20,000 RIAA (±0.2 dB)
Relación Señal/Ruido: 95 (2.5 mV, IHF A); 107 (10 mV, IHF A) db
Sensibilidad Phono: 0.1 mV
Impedancia Phono: 0.00/ 0.022/ 0.047/ 0.10/ 0.22 kΩ
Relación Señal/Ruido: 80 (-160 dBV) db
Salidas: 2 PRE OUT; 3 REC OUT; 3 PLAYBACK; AC OUTLETS (3 switched, 3 unswitched)
Rispuesta Frecuencia: Phono MC 30 Hz~20 kH RIAA (±0.2 dB) HZ
Distorsión Armónica: 0.003 (0.005 Phono MC, Mic) %
Nivel de Salida Rec Out: 150 mV
Impedancia Pre Out: 0.5 kΩ
Nivel de Salida Pre Out: 1,000 mV
Impedancia Rec Out: 0.5 kΩ
Equalizer
Filtros: Equalizer Subsonic 30 Hz (12 dB/oct.); Low 15 Hz, 30 Hz (18 dB/oct.); High 8 kHz, 12 kHz (18 db/oct.)
Loudness: -20 dB, off, -∞
2. Physical
Dimensions en Pouce: 17.72 x 8.07 x 22.59 (An.) x (Al.) x (Prf.)
Dimensions en mm: 450 x 205 x 574 (An.) x (Al.) x (Prf.)
Peso en libras: 84.88 lbs
Peso en Kg: 38.5 Kg



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