• Country
• Great Britain (UK)

• Manufacturer / Brand
• Ferrograph, British Ferrograph Recorder (Wright & Weaire); London

• Year
• 1969

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 217668

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

• Number of Transistors
• 16

• Semiconductors
• BC154 or. BC214 2N5461 39285 40360 40362 40317 BC183 or. BC108 or. 40233 OA200 1N3754 W04

• Main principle
• Audio-Amplification; Hi-Fi-High End products

• Wave bands
• - without

• Details
• Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 117; 220; 240 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 40 W (50 W max.)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Integrated Stereo Amplifier F307 - Ferrograph, British Ferrograph

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 16.125 x 4 x 9.625 inch / 410 x 102 x 244 mm

• Notes

• Frequency response:
  all inputs except PU: 20 Hz - 25 kHz ±1 dB
  magnetic PU input: 15 Hz - 35 kHz +1 -3 dB

  Power Ouptut:
  into 15 ohms: 2 x 15 W RMS, 2 x 20 W IHFM (music)
  into 8 ohms: 2 x 20 W RMS, 2 x 25 W IHFM (music)

  Semi-conductors listed once per type. Line-up valid from serial no. A1000 onwards. The alternative BC219B for F.E. transistor 2N5461 is likely an error.

  ---

  Mueble rectangular de madera, con frontal de de aluminio y metacrilato. Los controles de graves, agudos y volumen son independientes para cada canal. Tras el logo de la marca se accede a una tapa abatible donde se encuentran los controles (tambien independientes)de altavoces, filto y niveles de entrada.

• Net weight (2.2 lb = 1 kg)
• 16 lb (16 lb 0 oz) / 7.264 kg

• Price in first year of sale
• 56.00 GBP

• Source of data
• -- Original-techn. papers.

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by Alberto Diaz. See "Data change" for further contributors.

• Other Models

• Here you find 21 models, 18 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ferrograph, British Ferrograph Recorder (Wright & Weaire); London