( ( At ( that time ) ) ( there ( ( was ( ( no ( electronic ( loud ( speaker system ) ) ) ) ( to ( amplify ( ( the sound ) ( of Ajaan ) ) ) ) ) ) . ) ) )
(ROOT (S (PP (IN At) (NP (DT that) (NN time))) (NP (EX there)) (VP (VBD was) (NP (NP (DT no) (JJ electronic) (JJ loud) (NN speaker) (NN system)) (SBAR (S (VP (TO to) (VP (VB amplify) (NP (NP (DT the) (NN sound)) (PP (IN of) (NP (NNP Ajaan)))))))))) (. .)))
At that time there was no electronic loud speaker system to amplify the sound of Ajaan.
(ROOT (S (S (VP (VBN Amplified))) (, ,) (NP (PRP it)) (VP (VBZ becomes) (SBAR (S (NP (NNP louder)) (VP (VBZ happens) (VP (VB do) (NP (DT the) (NN sound)) (PP (IN during) (NP (DT a) (NN resonance)))))))) (. .)))