![]() |
![]() |
| Buzzer No. 32a-1 | Buzzer No. 32C-3 |
Diagram N647
Single coil buzzer used in 700 type telephones.
No 32A - 55 ohms & 65ma.
No 32B - 1K ohms & 15ma.
No 32C - 138 ohms & 40ma
Buzzers with a suffix -1, -2 or -3 have a resistor and capacitor (in series) wired across the contact points.
Buzzer Suffix
-1 - Used on Teles 706, 710 and Bellset No. 48
-2 - Used on Tele 711
-3 - Used on Teles 740, 741, 746 and Bellset No. 50
| BACK | Home page | BT/GPO Telephones | A - Z Index | Glossary of Telecom Terminology | Quick Find | All Telephone Systems |
FM