If you feel to are bored with with the phone ring as a result try use this Telephone Ringer by IC KA2411 circuit. It will may help to give testimony is lost can is bored with, because have a voice sweet-sounding good music use IC KA2411(IS A BIPOLAR INTEGRATED CIRCUIT DESIGNED FOR TELEPHONE BELL REPLACEMENT) Then the circuit that build easy , the sound is good. With the telephone line originally your immediately Ok. Read the detail adds in circuit picture.
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This entry was posted on Thursday, June 21st, 2007 at 11:55 am and is filed under Audio - Alarm, Telephone.
