Headphones
for Crystal Sets
1
- Zephyr - Headphones made by BRUNET, Paris.
Impedance 2,000
Ohm.
2
- Headphones made by Nora, Germany.
Impedance 2,000 Ohm.
3
- OMEGA - Headphones of unknown manufacturer.
Impedance 2,000
Ohm.
4
- Headphones of unknown manufacturer (there is
company logo). Impedance 2,000 Ohm.
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