Ducretet - N40T Radio





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Description from the seller
Radio TSF Ducretet RM7 (circa 1925–1927) – complete, with original coils and documentation – collectible item
Description
A high-end galena/TSF radio from the prestigious French house Ducretet, model RM7, built approximately between 1925 and 1927, is offered at auction. It represents a milestone in the early days of domestic broadcasting in Europe, targeted at advanced users and technical environments of its time.
The unit stands out for its robust and elegant construction, combining a high-quality wooden case with a metal front panel equipped with multiple tuning controls, reflecting its technical and experimental character typical of early radio.
Condition
General condition: very good for its age
Keeps its original complete structure, including:
- Front panel with all controls
- Internal compartment with components
- Set of coils
- Original technical documentation (station tables and calibration)
The wood shows minor wear consistent with age, without structural damage
The front panel retains its original look with authentic patina
Internal components visually well preserved
Has not been tested, therefore sold as a collectible or decorative piece. Functionality is not guaranteed.
Technical characteristics
Brand: Ducretet
Model: RM7
Origin: France
Period: circa 1925–1927
Type: early valve TSF receiver
Construction: solid wood and metal panel
Tuning system using interchangeable coils
Multiple controls for fine reception adjustment
Historical and collectible interest
This model belongs to a key period in the history of radio, when receivers still required technical knowledge for use. Ducretet radios from this period are especially valued by collectors of vintage technology due to their rarity and build quality.
The presence of coils and original documentation significantly increases its interest, making it an ideal piece for:
- Collectors of antique radios (TSF)
- Museums or exhibitions
- Interior decoration with technical and historical character
Notes
This is a piece over 90 years old, therefore showing normal signs of use and conservation. Photographs are an essential part of the description and faithfully reflect the current state of the lot.
Shipping
The item will be carefully packed with appropriate protective materials to ensure safe transport due to its fragility and historical value.
Seller's Story
Radio TSF Ducretet RM7 (circa 1925–1927) – complete, with original coils and documentation – collectible item
Description
A high-end galena/TSF radio from the prestigious French house Ducretet, model RM7, built approximately between 1925 and 1927, is offered at auction. It represents a milestone in the early days of domestic broadcasting in Europe, targeted at advanced users and technical environments of its time.
The unit stands out for its robust and elegant construction, combining a high-quality wooden case with a metal front panel equipped with multiple tuning controls, reflecting its technical and experimental character typical of early radio.
Condition
General condition: very good for its age
Keeps its original complete structure, including:
- Front panel with all controls
- Internal compartment with components
- Set of coils
- Original technical documentation (station tables and calibration)
The wood shows minor wear consistent with age, without structural damage
The front panel retains its original look with authentic patina
Internal components visually well preserved
Has not been tested, therefore sold as a collectible or decorative piece. Functionality is not guaranteed.
Technical characteristics
Brand: Ducretet
Model: RM7
Origin: France
Period: circa 1925–1927
Type: early valve TSF receiver
Construction: solid wood and metal panel
Tuning system using interchangeable coils
Multiple controls for fine reception adjustment
Historical and collectible interest
This model belongs to a key period in the history of radio, when receivers still required technical knowledge for use. Ducretet radios from this period are especially valued by collectors of vintage technology due to their rarity and build quality.
The presence of coils and original documentation significantly increases its interest, making it an ideal piece for:
- Collectors of antique radios (TSF)
- Museums or exhibitions
- Interior decoration with technical and historical character
Notes
This is a piece over 90 years old, therefore showing normal signs of use and conservation. Photographs are an essential part of the description and faithfully reflect the current state of the lot.
Shipping
The item will be carefully packed with appropriate protective materials to ensure safe transport due to its fragility and historical value.

