| Brand | Western Electric |
|---|---|
| Model | D171558 |
| Country of Origin | United States |
Check the listing for details. Western Electric/Bell Input Transformer D-171558 (Code 25011A) - 1950s - Coaxial. Condition: Used, Made in United States. Listed at 75.00 USD. The last two photos are from a Bell Systems catalog. •Frequency range: 60 – 3200 kc (per Western Electric specification). •Maximum DC resistance – High winding: 25 Ω (avg).