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Ariel Cabello

Konski & Krüger “Membra” External Radio Loudspeaker – Art Deco – Germany – c. 1926–1928 
In excellent tested and working condition – No reserve.

A highly decorative and increasingly scarce early external radio loudspeaker produced by Konski & Krüger in Berlin, Germany, during the pioneering years of domestic radio broadcasting. This elegant “Membra” model dates from approximately 1926–1928 and represents the transitional period when radio receivers were still commonly sold without integrated speakers.

The loudspeaker features a beautifully shaped arched wooden cabinet with a striking Art Deco-inspired fretwork grille in a fan/shell motif, mounted over its original acoustic fabric. The warm-toned veneered wooden housing combined with the dark carved grille gives the piece a refined architectural appearance typical of late 1920s German radio design.
Historically, external loudspeakers such as this example were essential companions to early valve radios. 

The handwritten period note attached to the reverse states that this loudspeaker was specifically used with the Philips Type 720A / 730A “Super-Inductie” receivers. These famous Philips receivers required a suitable high-impedance external speaker due to the absence of an internal output transformer, making this 100 Ohm Membra speaker a technically and historically appropriate pairing.

An authentic and decorative collector’s piece for enthusiasts of early wireless technology, Art Deco interiors, or pre-war industrial design.

Condition:
In excellent tested and working condition. The wooden cabinet retains a beautiful warm patina with only minor age-related signs of use consistent with its age. The original speaker cloth/textile is in perfect condition without tears, holes, stains, or wear. Original rear components and vintage wiring remain present. Decorative grille and fabric are exceptionally well preserved.

Dimensions:
37 x 34 x 13 cm (height × width × depth)
Weight: Approx. 2.75 kg
Country of origin: Germany
Manufacturer: Konski & Krüger, Berlin
Period: Circa 1926–1928
Impedance: 100 Ohm

This lot will be carefully packed and shipped insured.

Excellent - Number of items: 1 - Including: Speaker - No extra's

Konski & Krüger Berling- 1926 - Art Deco Speaker

Audio Equipment

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24 September

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28 September

27 September

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The Netherlands

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Speaker set

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Stereo graphic equalizer

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Tube radio

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Reel to reel deck 26 cm

Headphone

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Country of origin

Netherlands

Material

Ceramic

Plastic

Stainless steel

Gender

Condition

Good

Excellent

Very good

Mint

Various conditions

Very Good Plus (VG+)

Fair & Poor

Mint (M)

Good condition - used with small signs of aging & blemishes

Good condition - used with small signs of ageing

Unworn - no signs of wear

As new - unused

Extras

No extra's

Power cord

Remote control

+ Extra item (see description)

Original user manual

Power supply

No cables

Refurbished

Power Adapter

Brochures

Case

Flight Case

Microphone Shock Mount

Period

2000-2010

1960-1970

1970-1980

1980-1990

Style

Vintage

Scandinavian design

Contemporary

Genre

Classical

Colour

Black

Silver

Watch movement

Quartz

Tested and working

Tested and working/playable

Not tested

Record Label

Case diameter

35 mm

Watch band material

Leather

1900-2000

After 2000

1400-1900

Creator

Marco Zanuso

A.A. Patijn

Very good - 1994

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Sony - TCM-500 Portable cassette player

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Onkyo - CR-265 Compact CD Receiver / Mini Hi-fi set

Very good - Number of items: 1 - Including: + Extra item (see description)

Sony - WM-702 Walkman

Denon - DRM-555 - HX PRO Cassette recorder-player

Good - Number of items: 1 - Including: Headphone - No extra's

Pioneer - SE-205 Over-Ear Dynamic Stereo Headphone

Good - Number of items: 2 - Including: Speaker set - No extra's

Phonar - P 200 Speaker set

Denon - DCD-655 CD player

Good - Number of items: 1 - Including: Solid state stereo receiver - No extra's

Sony - STR-GX40 Solid state stereo receiver

Good - Number of items: 2 - Including: Audio component - No extra's

Generic - NAB aluminum -hub adapter silver- Audio component

Very good - Number of items: 1 - Including: No extra's

Akai - GX-32 Audio-cassette deck

Sony - MZ-E520 Portable minidisc player

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Sony - MZ-E620 Portable minidisc player

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Konski & Krüger Berling- 1926 - Art Deco Speaker

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