• Country
• Poland

• Manufacturer / Brand
• PZT - Państwowe Zakłady Tele- i Radiotechniczne; Warsawa

• Year
• 1937–1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 242250

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

• Number of Tubes
• 3

• Valves / Tubes
• KC1_p8 KC1_p8 KL1_sidecontact

• Main principle
• TRF with regeneration

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Storage and/or dry batteries / 130 & 2 Volt

• Loudspeaker
• Magnetic loudspeaker (reed) generic. / Ø 22 cm = 8.7 inch

• Power out
• 0.5 W (undistorted)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Echo 133B - PZT - Państwowe Zakłady Tele-

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 490 x 320 x 190 mm / 19.3 x 12.6 x 7.5 inch

• Net weight (2.2 lb = 1 kg)
• 6.8 kg / 14 lb 15.6 oz (14.978 lb)

• Price in first year of sale
• 178.00 zł

• Author
• Model page created by Tomasz Szczesniak. See "Data change" for further contributors.

• Other Models

• Here you find 25 models, 22 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from PZT - Państwowe Zakłady Tele- i Radiotechniczne; Warsawa