APX525 Audio Precision

The APx525 Spec:

1.It  is a two channel audio analyzer and can do audio test.

2.It has two balanced and two unbalanced analog inputs and outputs plus 192K digital inputs and outputs via AES/EBU, TOSLINK and SPDIF

Manufacturer: USA AP

Model Number: APX525

Headphone/Hearing-protector Test fixture

The test fixture provides the basis for reliable and accurate measurements and has been designed with a test fixture mounted on an elastic base that minimizes noise flooring in typical test situations.

Manufacturer: USA GRAS

Model Number: GRAS 45CA

Serial number: 409802

Listen SoundCheck

This measuring instrument is that calibrated for SoundCheck 

Spec:RME Fireface UC - 8-channel, USB audio interface, 24-bit, 192kHz. ADAT, SPDF,Headphone.

Manufacturer: USA LISTENINC

Model Number: 5360

Accessories: 

1.soundcheck  software *1 

2.5900 Cable Kit, 1/4" sound card and 1/4" amp*2

3.5901 Cable Kit, 1/4" sound card and RCA amp*2

4.5904 Cable Kit, 1/4" Balanced sound card and amp*2

5.4060 SC Amp - 35 Watt Audio Test Amplifier

GRAS CCP Ear Simulator Kit

CCP Ear Simulator Kit  is a complete test jig for acoustical measurements on telephone handsets and earphones in accordance with:

1.IEC60318-1 & -2 Electroacoustics – Simulators of human head and ear – Part 1: Ear simulator for the calibration of supraaural earphones, 1998-07

2.ITU-T Recommendation P.57 (08/96) Series P: Telephone transmission Quality, Objective measuring apparatus: Artificial Ears.

Connection: 0 V/CCP

Volume: Complex

Dyn range: 25 dB(A) to 150 dB

ANSI: S3.7

Manufacturer : US GRAS

Model Number:G43AA-S2

The KEMAR head and torso simulator

Special feature: 

1.Built-in mouth simulator and power amplifier

2.It meets the international standards as specified by IEC: 60318-7 and ANSI: S3.36, S3.25 and is based on ITU-T P 58.

Manufacturer : US GRAS

Model Number: GRAS 45BC      

Serial number : 407286