This sound effect can be found on The Premiere Edition Volume 1, which was made by The Hollywood Edge. Similar sound effects, Timer Bell Ding TE2035301 and CLOCK, TIMER - TIMER CLOCK: SINGLE BELL DING, can be found on The Edge Edition Volume 2 and Series 6000 Extension V Sound Effects Library respectively. Links: https://soundeffects.fandom.com/wiki/Hollywoodedge,_Egg_Timer_Bell_DingsL_PE193601#Audio_Samples