EL3511 /10 /11

Philips; Eindhoven (tubes international!); Miniwatt

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  • Year
  • 1955
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 251518

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Tape Recorder
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 145; 200; 220; 245 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10.5 cm = 4.1 inch
  • Power out
  • 2.5 W (unknown quality)
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: EL3511 /10 /11 - Philips; Eindhoven tubes
  • Shape
  • Chassis only or for «building in»
  • Notes

  • These versions /10 (50 Hz mains) and /11 (60Hz mains) are naked chassis to be built in a casing. Together with a casing and some accessories, it receives another type number. See model EL3511 /00 /01 /02 /03 /20 /21 /22 /23. 

    The motor is the same for both mains frequencies. It is the pulley on the spindle that makes the speed correction (see fig 7).

    Inputs:

    • Microphone (EL6112 /00): 2mV / 1MΩ.
    • Radio or pick-up: 200mV / 220kΩ.
    • Diode (line-in): 600mV / 1MΩ.

    Outputs:

    • external loudspeaker - the internal loudspeaker is automatically cut off.
    • Headphones 200Ω.
    • Diode (Line-out).

    2 Speeds: 9.5 cm/sec or 4.75 cm/sec.

    Loudspeaker: AD3512 (4Ω).

    Bias frequency: 50kHz.

    Rumble/noise: better than 40dB.

    Optional tape counter EL3939 /00.

  • Literature/Schematics (1)
  • -- Original-techn. papers.

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