{"product_id":"original-german-wwii-luftwaffe-siemens-k32-gwb-wehrbetreuungsempfanger-portable-barracks-radio-c-1941-1942","title":"Original German WWII Luftwaffe Siemens K32 GWB Wehrbetreuungsempfänger Portable Barracks Radio – c. 1941–1942","description":"\u003cp\u003eOriginal Item. Only One Available. This is an original German WWII \u003cb\u003eSiemens K32 GWB Luftwaffen-Koffer\u003c\/b\u003e, a portable broadcast receiver produced for Luftwaffe use and belonging to the class of equipment officially described within the Luftwaffe as a \u003cb\u003eWehrbetreuungsempfänger\u003c\/b\u003e, or military welfare receiver. Designed to provide radio reception for personnel in barracks, quarters, field accommodations, and other military settings, the K32 GWB combined a conventional multi-band broadcast receiver with a ruggedized carrying cabinet and provisions for both mains and battery operation.\u003c\/p\u003e\n\u003cp\u003eThe radio measures approximately \u003cb\u003e45.7 cm wide x 18.4 cm deep x 31.8 cm high [18” x 7 ¼” x 12 ½”]\u003c\/b\u003e. Its substantial wooden cabinet is finished in a dark blue-gray painted surface and reinforced with metal corner fittings, long hinges, and a heavy folding steel carrying handle. The upper cabinet retains the painted Siemens trademark and model designation:\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cb\u003eSIEMENS\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eK32-GWB\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe metal mounting plate beneath the handle is additionally stamped with a number that appears to read \u003cb\u003e17506\u003c\/b\u003e. A recessed perforated metal panel surrounds the handle assembly, while a small connection plate is fitted into the upper surface of the cabinet.\u003c\/p\u003e\n\u003cp\u003eThe front is protected by a pair of hinged wooden doors which open to expose the receiver controls and speaker. Both doors retain painted Luftwaffe eagle and swas. property devices, while a substantially larger Luftwaffe eagle is painted on the back panel of the cabinet. The receiver itself has four large black control knobs positioned around the glass-covered tuning scale. Beneath it is the large rectangular loudspeaker opening with its woven cloth covering still in place.\u003c\/p\u003e\n\u003cp\u003eThe tuning scale is particularly interesting. It combines wavelength graduations with the names of broadcasting centers spread across much of Europe, including \u003cb\u003eBerlin, Paris, Wien, München, Stockholm, Oslo, Helsinki, Budapest, Prag, Brüssel, Lyon, Mailand, Belgrad, Sofia, Athen, Bukarest, Danzig, Straßburg, Königsberg, Pressburg, Memel, and Litzmannstadt\u003c\/b\u003e, among others. The scale covers the receiver's long-, medium-, and short-wave ranges, allowing an operator to use familiar station names as reference points while tuning.\u003c\/p\u003e\n\u003cp\u003eOpening the hinged rear panel exposes the radio chassis, loudspeaker, tube complement, wiring, power components, and battery compartment. Among the surviving components are Siemens-marked electrolytic capacitors rated at 16 µF and 32 µF. The set also shows evidence of later servicing, most visibly in an American Sylvania vacuum tube marked “\u003cb\u003eMADE IN U.S.A.\u003c\/b\u003e” Accompanying the radio is a black telephone-style handset with cloth-covered cord. Although the K32 GWB was equipped for external private listening in addition to its integral loudspeaker, the present handset has not been established as original factory equipment to this receiver and may represent a period or postwar adaptation.\u003c\/p\u003e\n\u003cp\u003eEspecially important are the original operating diagrams attached to the inside of the rear panel. The larger illustrated sheet shows the placement of the receiver components and gives separate instructions for battery and mains operation, including the use of either a rechargeable heater accumulator or dry heater element. Beside it is a red electrical safety label carrying the printed code \u003cb\u003eE-1092 \/ 2935\/42\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003eOverall, the radio remains in good, substantially preserved condition with considerable service and storage wear. The cabinet has extensive paint loss along the top, edges, corners, and other exposed surfaces, revealing the wood beneath, while the Luftwaffe property markings and Siemens model stencil remain readily recognizable. The tuning scale is remarkably legible and the speaker cloth remains substantially intact, with age toning and soiling. The interior shows dust, oxidation, aged wiring, and evidence of electrical servicing; several cloth-covered leads exhibit deterioration, fraying, or disconnected ends, and the mixed tube complement confirms replacement during the set's later working history. The original paper instructions remain present with staining and age discoloration but retain excellent printed detail.\u003c\/p\u003e\n\u003cp\u003eThere is also clear evidence that the radio received substantial attention after the war. Several internal components appear to have been replaced or serviced, including at least one American-made \u003cb\u003eSylvania\u003c\/b\u003e vacuum tube, and the warning label bears an added English-language translation. These later additions suggest that the set was worked on extensively after leaving German service, quite possibly by an American owner, technician, or serviceman. That interpretation remains circumstantial rather than documented.\u003c\/p\u003e\n\u003cp\u003eThe radio is offered strictly as an \u003cb\u003euntested historical collectible and display artifact\u003c\/b\u003e. No representation or warranty is made as to its electrical condition, functionality, safety, or suitability for operation. \u003cb\u003eDo not connect the radio to mains power, batteries, or any other electrical source unless it has first been inspected and, if necessary, serviced by a qualified technician familiar with vintage electrical equipment.\u003c\/b\u003e Aged wiring, insulation, capacitors, and other internal components may present a risk of electric shock, fire, or damage if energized in their present condition.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe following transcriptions and translations are provided for historical reference only. They have been prepared using basic German-language knowledge together with translation tools and may contain errors or omissions. They should not be relied upon as operating, repair, wiring, servicing, or safety instructions for this radio.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe principal headings on the large interior instruction sheet read:\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cb\u003eBatteriebetrieb mit Heizakkumulator\u003c\/b\u003e\u003cbr\u003e\u003ci\u003e“Battery operation with filament accumulator.”\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003eThe diagram illustrates a \u003cb\u003e2V Lb 3\/2 (Varta)\u003c\/b\u003e accumulator installed in the cabinet.\u003c\/p\u003e\n\u003cp\u003eA second operating arrangement is labeled:\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cb\u003eBatteriebetrieb mit Heiz-Trockenelement\u003c\/b\u003e\u003cbr\u003e\u003ci\u003e“Battery operation with dry-cell filament element.”\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003eThe principal battery instructions read:\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBatteriebetrieb:\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eHebel 5 auf Stellung „Batterie“\u003c\/b\u003e\u003cbr\u003e\u003cb\u003emit Heizakkumulator\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eKabelschuh K unter Klemme „Akku“\u003c\/b\u003e\u003cbr\u003e\u003cb\u003emit Heiz-Trockenelement\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eKabelschuh K unter Klemme „Element“\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003ci\u003eBattery operation:\u003c\/i\u003e\u003cbr\u003e\u003ci\u003eSet lever 5 to the “Battery” position.\u003c\/i\u003e\u003cbr\u003e\u003ci\u003eWhen using the filament accumulator, place cable lug K beneath the “Accumulator” terminal.\u003c\/i\u003e\u003cbr\u003e\u003ci\u003eWhen using the dry filament element, place cable lug K beneath the “Element” terminal.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003eThe mains section reads:\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNetzbetrieb:\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eHebel 5 auf Stellung „Netz“. Netzschnur in Ausnehmung am Gehäuserand einlegen. – Rückwand zuklappen und zuschrauben, erst dann darf der Netzstecker in die Steckdose eingeführt werden.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eMains operation:\u003c\/i\u003e\u003cbr\u003e\u003ci\u003eSet lever 5 to the “Mains” position. Lay the mains cord in the recess at the edge of the cabinet. Close and screw down the rear panel; only then may the mains plug be inserted into the electrical outlet.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003eThe separate red warning label repeats this safety requirement more prominently:\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eVorsicht!\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eNetzstecker nur bei geschlossener Rückwand in die Steckdose stecken!\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eCaution!\u003c\/i\u003e\u003cbr\u003e\u003ci\u003eInsert the mains plug into the electrical outlet only with the rear panel closed!\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHistorical Context\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe K32 GWB occupies a distinct place within German WWII radio equipment. Contemporary military welfare broadcasting developed alongside the much better-known tactical communications systems, but served an entirely different everyday purpose: bringing news, music, entertainment, and organized radio programming to servicemen. Specialist research into German wartime radio equipment records that receivers intended for this role were generally termed \u003cb\u003eTruppenbetreuungsempfänger\u003c\/b\u003e within the Wehrmacht, while the corresponding Luftwaffe and Kriegsmarine designation was \u003cb\u003eWehrbetreuungsempfänger\u003c\/b\u003e. The Siemens K32 GWB is specifically documented within this class.\u003c\/p\u003e\n\u003cp\u003eThese receivers were developed from normal broadcast-radio technology but adapted for considerably harder military use. Documented construction requirements included a sturdy wooden cabinet, metal protective fittings, carrying handle, closing panels to shield the speaker, dial, and controls during transport, military-colored exterior finish, and operating information placed directly inside the cabinet. Luftwaffe welfare receivers were additionally identified with the Luftwaffe eagle as a property marking. Those documented features account for virtually every major external characteristic visible on this K32 GWB: the reinforced wooden case, folding front doors, carrying handle, dark service finish, interior operating instructions, and prominent Luftwaffe property devices.\u003c\/p\u003e\n\u003cp\u003eTechnical references generally place the \u003cb\u003eSiemens Luftwaffen-Koffer K32 GWB in the 1941–1942 period\u003c\/b\u003e. Its standard circuit was a five-tube superheterodyne using the \u003cb\u003eDCH11, DF11, DAF11, DL11, and UY11\u003c\/b\u003e series, with an intermediate frequency of approximately \u003cb\u003e468 kHz\u003c\/b\u003e. The arrangement provided long-wave, medium-wave, and short-wave broadcast reception and drove a permanent-magnet dynamic loudspeaker. The superheterodyne system converted a selected incoming station to a fixed intermediate frequency before amplification and detection, providing greater sensitivity and selectivity than the simpler direct-reception circuits used in inexpensive contemporary sets.\u003c\/p\u003e\n\u003cp\u003eThe model's power system was one of its most practical military features. It could operate from an electrical mains supply where a suitable building supply existed, while the battery arrangement allowed the same receiver to function at locations where mains electricity was unavailable or unreliable. Vacuum-tube receivers required both a low-voltage supply for the tube filaments and a substantially higher voltage for the anode circuits, explaining the separate accumulator, dry-element, and anode-battery connections shown on the instruction sheet. The ability to accept both power arrangements made the set useful across the wide variety of permanent and temporary accommodations occupied by Luftwaffe personnel.\u003c\/p\u003e\n\u003cp\u003eThe elaborate city-name tuning scale also deserves attention. The three wavelength bands are documented as approximately \u003cb\u003e17–50 meters, 200–550 meters, and 800–2000 meters\u003c\/b\u003e. Rather than requiring the operator to work exclusively from frequency or wavelength figures, the glass scale placed the names of major European transmitters directly at their approximate tuning positions. The result was a receiver that could be operated conveniently by servicemen who possessed little technical radio training.\u003c\/p\u003e\n\u003cp\u003eOne name on the scale provides particularly useful evidence for the wartime configuration of this radio: \u003cb\u003eLITZMANNST.\u003c\/b\u003e, meaning Litzmannstadt. The Polish city of Łódź was occupied by German forces in September 1939, incorporated into the Warthegau, and officially renamed \u003cb\u003eLitzmannstadt on April 11, 1940\u003c\/b\u003e. The presence of that wartime German name establishes a post-April 1940 date for the dial itself and fits closely with the 1941–1942 production period attributed to the K32 GWB in technical radio references.\u003c\/p\u003e\n\u003cp\u003eThe broader concept of \u003cb\u003eTruppenbetreuung\u003c\/b\u003e, or troop welfare, became increasingly organized as the war continued. Radio was incorporated alongside live entertainment, printed material, recreation, and other efforts intended to maintain morale among personnel stationed far from home. German forces operated or made use of broadcast facilities across occupied Europe, and German-language programming for servicemen could be received from stations far beyond Germany itself.\u003c\/p\u003e\n\u003cp\u003eThe K32 GWB's portable cabinet made it particularly suited to that system. Its large loudspeaker allowed a room or group of men to listen collectively, while its sturdy case permitted relocation as personnel and accommodations changed. The folding front panels protected the fragile dial face and speaker during movement, and the rear access panel gave ready access to batteries, tubes, and service components. The detailed instruction sheet meant that changing between electrical supplies could be handled directly at the point of use.\u003c\/p\u003e\n\u003cp\u003eThe interior of the present set also preserves evidence of the long useful life typical of vacuum-tube equipment. Tubes, capacitors, and other electrical parts were service components subject to failure and replacement. The surviving American Sylvania tube and the translation on one of the labels shows that maintenance continued after the radio's original German service period.\u003c\/p\u003e","brand":"Original Items","offers":[{"title":"Default Title","offer_id":45916723019845,"sku":"ONJR26OL0167","price":1195.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1524\/1342\/files\/F607F5D7-A27D-4C33-82B5-F8D599EBEE2A.jpg?v=1790967211","url":"https:\/\/www.ima-usa.com\/products\/original-german-wwii-luftwaffe-siemens-k32-gwb-wehrbetreuungsempfanger-portable-barracks-radio-c-1941-1942","provider":"International Military Antiques","version":"1.0","type":"link"}