Acoustic Specifications - Williams Sound POCKETALKER Ultra D1 Manual And User Manual

Acoustic Specifications

Typical values (ANSI S3.22-1987)
Lightweight headphone, HED 021: (with 6cc coupler)
Test
SSPL90
HF Avg (SSPL90)
HF Avg full on gain (50 dB) 46.9 dB
Ref test gain
Wide range headphone, HED 026: (with 6cc coupler)
Test
SSPL90
HF Avg (SSPL90)
HF Avg full on gain (50 dB) 45.6 dB
Ref test gain
Mini earphone single, EAR 013: (with 2cc coupler)
Test
SSPL90
HF Avg (SSPL90)
HF Avg full on gain (50 dB) 44.7 dB
Reftest gain
22
Tone High Tone Mid
124.3 dB 124.8 dB
120.7 dB 120.6 dB
44.9 dB
43.7 dB 43.6 dB
Tone High Tone Mid
121.4 dB 125.3 dB
119.5 dB 120.7 dB
44.8 dB
42.5 dB 43.7 dB
Tone High Tone Mid
123.8 dB 124.0 dB
118.7 dB 118.6 dB
44.2 dB
41.7 dB 41.6 dB
Tone Low
124.8 dB
120.5 dB
41.0 dB
41.5 dB
Tone Low
124.8 dB
120.9 dB
41.2 dB
41.7 dB
Tone Low
123.2 dB
118.6 dB
38.9 dB
39.2 dB
MAN 131H