• Country
• Netherlands

• Manufacturer / Brand
• Erres, Van der Heem NV; Den Haag

• Year
• 1950 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 252570

• Number of Tubes
• 5

• Valves / Tubes
• ECH42 EF41 EBC41 EL41 AZ41

• Main principle
• Superheterodyne (common); ZF/IF 452 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 150; 200; 220; 250 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.5 inch = 16.5 cm

• Power out
• 2.8 W (undistorted)

• Material
• Wooden case

• from Radiomuseum.org
• Model: KY504A - Erres, Van der Heem NV; Den

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 380 x 247 x 195 mm / 15 x 9.7 x 7.7 inch

• Notes

• Similar to Erres KY504, but scale at the top.

• Author
• Model page created by João Luis Mendes Colaço. See "Data change" for further contributors.

• Other Models

• Here you find 408 models, 325 with images and 221 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Erres, Van der Heem NV; Den Haag