SIERA S4A

• brand:  SIERA
• type:  S4A
• manufacturer:  Siera-Radio NV/SA
• build in:  Brussels, Belgium
• year:  1936
• price:  2200 BEF (± 55 €)
• s/n:  L2151
• h 44 – w 39 – d 30
• case:  in good condition
• sound:  no longer working
• tubes:  EK2, EF5, EB4, EL3, EZ3