Table 4.

The acoustic power measured in Watts for each transducer and drive power setting. Uncertainties indicate the standard deviation from repeat measurements (4 repeats for ‘low’, 3 repeats for ‘moderate’ and ‘high’ drive settings).

Nominal drive setting	Acoustic Power (W) for each Transducer
	1	2	3	4a	4b	5	6	7
‘low’ – 50mV pk-pk	1.4±0.07	0.91±0.09	1.14±0.18	1.18±0.08	1.86±0.33	1.31±0.05	1.20±0.13	1.36±0.11
‘moderate’ – 150mV pk-pk	11.86±0.21	8.09±0.51	9.15±0.88	10.59±0.42	15.73±1.23	11.60±0.50	10.12±0.60	14.43±0.38
‘high’	59.43±1.04	41.47±0.15	20.42±1.03	52.38±0.72	68.28±0.36	24.67±0.12	56.78±0.48	69.97±0.80