Vocal Master VA302E

• Paese
• USA (Stati Uniti d'America)

• Produttore / Marca
• Shure; Chicago, Evanston, Niles (IL)

• Anno
• 1970

• Categoria
• Amplificatore audio o mixer audio

• Radiomuseum.org ID
• 118890

• Immagini
• Schemi

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• Numero di transistor
• 38

• Semiconduttori

• Principio generale
• Amplificatore audio

• Gamme d'onda
• - senza

• Tensioni di funzionamento
• Alimentazione a corrente alternata (CA) / 240 Volt

• Altoparlante
• - Questo apparecchio richiede altoparlante/i esterno/i.

• Potenza d'uscita
• 100 W (indistorta)

• Materiali
• Mobile di metallo

• Radiomuseum.org
• Modello: Vocal Master VA302E - Shure; Chicago, Evanston,

• Forma
• Diverse forme (descritte nelle note).

• Dimensioni (LxAxP)
• 640 x 205 x 380 mm / 25.2 x 8.1 x 15 inch

• Annotazioni

• Portable Gesangsanlage (Suffix E = Europa-Version), bestehend aus dem Steuergerät und zwei Lautsprechersäulen VA300S; 6 Eingänge, Federhall, Rückkopplungsfilter und Endstufe mit max. 300W Leistung. Gehäuse: 19-Zoll-Einschub (schräg) im Transporteinschub mit Griffmulden.

  Amplifier Type : All silicon transistor mixer/power amplifier
  Power Output : I00 watts continuous '(RMs); (to 8 ohm load, see Figure 3, Page 7)
  Voltage Gain : 80 db Input Attenuator "Out" (8 ohm load)
  65 db lnput Attenuator "In" (8 ohm load)
  Frequency Response : k2 db 40 Hz. to 20,000 Hz. (typical)
  Input Impedance : 20 ohms lnput Attenuator "Out" 500 ohms lnput Attenuator "In"
  Distortion : 5% maximum at rated output at 1 KHz.
  Hum and Noise : 60 db below rated output
  Speaker Load lmpedance Nominal 8 ohms; operational 5.3 ohms minimum
  Input Clipping Level :Greater than 25 Mv. Input Attenuator "Out" Greater than 150 Mv. lnput Attenuator "In"
  Bass Control Action : t13 db at 100 Hz. with respect to "flat" setting
  Treble Control Action : i10 db at 10,000 Hz. with respect to "flat" setting
  "Aux. Hi-Level" Output Jack : Impedance 5,000 ohms; Output 19 db below speaker
  output (to 8 ohm load); nominal - 2 V at 50 watts to speakers, Clipping Level 4 V.
  "Mic. Level" Output : Hi-Z: impedance 1,000 ohms; Output 30 db below auxiliary output;
  nominal 60 Mv. Clipping Level 120 Mv.
  Lo-Z: impedance 36 ohms; Output 52 db below auxiliary output; nominal 5 Mv. Clipping Level 10 Mv.
  Echo-"To Input" Jack (Output To External Echo Unit) :Impedance 10,000 ohms;
  Output 20 db above microphone inputs with individual volumes at "10"; Clipping Level 3 V.
  Echo-"To Output" Jack (Input From External Echo Unit) : Impedance 40,000 ohms;
  Sensitivity 200 Mv. for rated amplifier output with "Echo Gain" Control and
  "Master Volume" Control at maximum settings; Clipping Level 2 V. with maximum
  setting of "Echo Gain" control. Clipping level increases with reduced
  setting of "Echo Gain" control.
  "Reverb Switch" Jack :D.C. switching (no audio), parallels the Master Reverb
  In-Out Switch. Any cable with a resistance of less than 5,000 ohms may be used.
  Center Notch Frequencies of "Anti-Feedback" Filters : Filter "A" 5,000 Hz.
  Filter "B" 2,200 Hz.
  Filter "C" 1,000 Hz.
  Filter "D" 155 Hz

• Peso netto
• 18.2 kg / 40 lb 1.4 oz (40.088 lb)

• Bibliografia
• Funkschau (FS 1970 Heft 24 S. 838)

• Autore
• Modello inviato da Günther Stabe † 19.8.20. Utilizzare "Proponi modifica" per inviare ulteriori dati.

• Altri modelli

• In questo link sono elencati 134 modelli, di cui 129 con immagini e 51 con schemi.
  Elenco delle radio e altri apparecchi della Shure; Chicago, Evanston, Niles (IL)