• Paese
• Gran Bretagna (Regno Unito)

• Produttore / Marca
• Leak, H.J.; London

• Anno
• 1955 ?

• Categoria
• Amplificatore audio o mixer audio

• Radiomuseum.org ID
• 114277

Clicca sulla miniatura dello schema per richiederlo come documento gratuito.

• Numero di tubi
• 2

• Valvole
• EF86 EF86

• Principio generale
• Amplificatore audio

• Gamme d'onda
• - senza

• Tensioni di funzionamento
• Fornita mediante altra unità o unità principale.

• Altoparlante
• - Per cuffie o amplificatori esterni

• Materiali
• Mobile di metallo

• Radiomuseum.org
• Modello: Point One - Leak, H.J.; London

• Forma
• Apparecchio per ripiani a scaffale (come i componibili HiFi).

• Annotazioni

• A Mono Pre-Amplifier, to use with the Leak TL/10, TL/12 or TL/25 Power Amplifiers.

  Description.
  Circuit: A low distortion on two-stage feedback tone control pre-amplifier that draws its   L.T. and H.T. supplies from the main amplifier.
  Input Selector: A six-position switch for choice of inputs from:
   Tuner: Response, level. Sensitivity 80 mV. r.m.s.
   Records: Sensitivity 14 mV.
   There are four separate characteristics available, these being:-
     (a) Audio Engineering Society and RCA New Orthophonic.
     (b) Columbia (U.S.A.) LP and Decca (London) FFRR LP.
     (c) National Association of Radio & Television Broadcasters
        and H.M.V. (Angel) LP.
     (d) BRITISH 78.
   Tape: Response, level. Sensitivity 80 mV. r.m.s.
        Input resistance, 100kΩ .
  Treble Control: Continuously variable from +9dB to-15dB  at 10 kHz.
  Bass Control: Continuously variable from +12dB to +13dB at 40 Hz.
  Volume Control and Switch: The switch controls the amplifier.
  "From Tape Replay Amp.": This input jack accepts signals from a tape replay amplifier.
  "To Tape Record Amp.": This jack permits the user to record on to tape from radio or   records when using a recorder embodying a low level recording amplifier.
  The following components are mounted on the rear of the pre-amplifier:—
     (1) Co-axial plugs and sockets for tuner and pick-up connections.
     (2) Pre-set controls for adjustment of inputs from tuner and pick-ups.
     (3) A terminal strip to which a load resistor may be fitted for
         the correct matching of various types of pick-ups.
     (4) An octal socket, marked "Tuner" from which H.T. and
         L.T. supplies may be drawn for a tuner unit.
     (5) An octal male socket for connecting to the power amplifier:
  Dimensions: Front panel, 10¾ x 3½". Chassis, 9⅜ x 2¾' x 3¾" deep.
     Finish: Front Panel in gold. Black lettering and knobs.

• Fonte dei dati
• -- Collector info (Sammler)

• Bibliografia
• -- Original prospect or advert (Brown Brothers Ltd 1955 Catalog No. 520 Page 125)

• Autore
• Modello inviato da Gottfried Silberhorn. Utilizzare "Proponi modifica" per inviare ulteriori dati.

• Altri modelli

• In questo link sono elencati 46 modelli, di cui 45 con immagini e 23 con schemi.
  Elenco delle radio e altri apparecchi della Leak, H.J.; London