Oronasal

S/T-MA5 - Pack of 5 teen-adult Speech Tutor masks with (40) screen rings
S/T-R8 - Package of 8 replacement screen rings
S/T-H1 - Mask handle for using Oronasal mask with PT-2E and PT-25 Transducers
S/T-SW - Handheld student-teacher switch

Airflow Masks

MA1-L/S - Single layer mask. Select large L or small S
H-1 - Machined mask handle

Calibration Units

PC-1 - Manual pressure calibrator
FC-1 - Flow calibrator

Airflow & Air Pressure Transducers

MS-110 - A-D electronics for airflow
FBP-030 - Module for reducing cut-off frequency of MS-100 Ch.A to 30Hz
BFC-2 - Bifurcated cable for using 2 pressure transducers simultaneously
OPA-1 - Oral Pressure Adapter with tubing
PT-2E - Low-pressure transducer for airflow with extended frequency response
PT-25 - Medium-pressure transducer for 25cm H₂0

Electroglottographs

EG2-Standard - Two-channel electroglottograph including 35mm electrodes
EG2-PCX - Two-channel electroglottograph with microphone input and preamplifier, and simultaneous EGG/Audio output for a PC sound card
LS-1 - Larynx Simulator for EG series systems
C-1 - Phase response compensator
LTC-1 - Larynx Tracking Calibrator for tracking larynx position during vocalization
EL-2 - Two-channel 35mm diameter electrodes and cable
EL2-S - Two-channel 28mm diameter electrodes and cable