• Country
• United States of America (USA)

• Manufacturer / Brand
• Precision Laboratories; Brooklyn, NY

• Year
• 1960 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 350590

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

• Number of Tubes
• 4

• Valves / Tubes
• 12AY7 6C4 6AQ5 6X4

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Magnetic Playback Amplifier 900 - Precision Laboratories;

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 8 x 8 x 8 inch / 203 x 203 x 203 mm

• Notes

• A different version is the 5-tube Precision 900S.

• Net weight (2.2 lb = 1 kg)
• 8 lb 14 oz (8.875 lb) / 4.029 kg

• Author
• Model page created by Lee Kaiser. See "Data change" for further contributors.

• Other Models

• Here you find 3 models, 2 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Precision Laboratories; Brooklyn, NY