• Country
• United States of America (USA)

• Manufacturer / Brand
• Bogen (-Presto), David Co., Inc.; New York, NY / Paramus, NJ

• Year
• 1970 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 273287

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

• Number of Transistors
• 5

• Semiconductors
• 2N1558 2N1558

• Main principle
• Audio-Amplification; 4 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 14 Volt

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

• Power out
• 40 W (55 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: Transistor Mobile 40 Watt P.A. Amplifier BT-35A - Bogen -Presto, David Co., Inc.

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 8 x 3 x 6.25 inch / 203 x 76 x 159 mm

• Notes

• Bogen Mobile Transistorized 40 Watt P.A. Amplifier Model BT-35A.
  Gain: Radio-Aux. Input 90dB, Mic In 110dB
  Output Power: 40 Watts at 14VDC; peak power 55 Watts
  Inputs: 3x Mic's (50-500ohms, 200ohms nominal), Radio, Aux.
  Output Impedance: 4, 8 or 16 ohms

• Net weight (2.2 lb = 1 kg)
• 6 lb (6 lb 0 oz) / 2.724 kg

• Mentioned in
• - - Manufacturers Literature (Installation and Operating Manual)

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 243 models, 220 with images and 159 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bogen (-Presto), David Co., Inc.; New York, NY / Paramus, NJ