AP - The Recognized Standard In Audio Test

S-AES17

Special lowpass filter satisfies AES17 for measurements in the presence of out-of-band noise.  Includes 20 kHz and 40 kHz brick wall filters (FLP-B20K and FLP-B40K). This filter requires two filter slots.

OPT-2020

Pre-analyzer lowpass filter

S2-IMD

Adds IMD generator and analyzer to SYS-2702, SYS-2712,
or SYS-2722

S2-W&F

Adds wow and flutter analyzer to SYS-2702, SYS-2712,
or SYS-2722

S2-BUR

Adds tone burst, square wave and noise generator to SYS-2702, SYS-2712, or SYS-2722

S2-EURZ

Changes analog generator source impedance to be 40, 200, or 600 ohms in SYS-2702, SYS-2712, or SYS-2722

OPT-2711

Adds the Dolby Digital Generator option to a new SYS-2722, allowing the encoding of stimulus tones in Dolby Digital (AC-3) before digital output. Includes IEC61937 and licensed Dolby Digital encoding software, and proprietary Audio Precision streaming interface (APSI) hardware installed in the instrument. (Not compatible with GPIB systems)

A-weighting filter

FIL-CCR

CCIR 468-4 weighting filter

FIL-CWT

C-weighting filter

FIL-CIT

CCITT P.53 weighting filter

FIL-CMS

C-message weighting filter

FIL-D50

50 µs de-emphasis filter

FIL-D50E

50 µs de-emphasis filter plus 15.625 kHz notch filter

FIL-D50F

50 µs de-emphasis filter plus 19 kHz notch filter

FIL-D75

Precision 75 µs de-emphasis filter

FIL-D75-AWT

75 µs de-emphasis filter plus A-weighting filter

FIL-D75B

75 µs de-emphasis filter plus 15.734 kHz notch filter

FIL-D75F

75 µs de-emphasis filter plus 19.0 kHz notch filter

FIL-IECR

200 Hz to 15 kHz bandpass filter plus 15.625 kHz notch filter

FIL-RCR

200 Hz to 15 kHz bandpass filter plus 19 kHz notch filter

FIL-USR

User-buildable filter circuit board and instructions

FIL-FMP

15 kHz low-pass filter plus 19 kHz notch filter

FIL-VID

15 kHz low-pass filter plus 15.625/15.734 kHz notch filter

FBP-X

Fixed 1/3 octave bandpass filter (specify any center frequency: 100 Hz to 30000 Hz). Call factory to verify availability.

FBP-500HQ

500 Hz Hi-Q bandpass filter (for linearity measurements)

FHP-X

High pass filter (specify frequency: 30 Hz, 70 Hz, 400 Hz, or 2 kHz)

FLP-12.7k-1

Fixed low-pass bandwidth-limiting filter, 1-pole Butterworth

FLP-X

Fixed low-pass bandwidth-limiting filter

When ordering, you must specify type and frequency

• 5-pole Butterworth (300 Hz, 400 Hz, 500 Hz, or 1 kHz)
• 7-pole Butterworth (3 kHz, 4 kHz, 5 kHz, or 8 kHz)
• Sharp elliptic response (10 kHz, 15 kHz, 18 kHz, 19 kHz,  20 kHz, or 22 kHz)

FLP-B20k

20 kHz “brick wall” filter (replaces FLP-A20k) (This filter is included with S-AES17)

FLP-B40k

40 kHz “brick wall” filter (This filter is included with S-AES17)

FIL2-EXT

External filter kit for 2700 Series instrument (includes connector panel and cable assembly)