Acoustic Research Tuner

Tuner Specifications

Sensitivity:  2,0 µV or better, for 30 dB of quieting (IHFM)

Signal-to-Noise Ratio:  65 dB (ASA "C" weighting)

Distortion

IM and THD : 0,25% or less (mono)

IM and THD : 0,5% or less (stereo)

Frequency Response:  20 Hz to 15 kHz  ±1 dB (mono and stereo)

Capture ratio:  2,0 dB or less

Selectivity:  55 dB or better (alternate-channel)

AM Suppression:  55 dB or better

Spurious Response: 

Image Rejection : 70 dB or better

IF rejection : 100 dB or better

Other responses : 90 dB or better

Separations:

35 dB minimum at 50 Hz

40 dB minimum at 1 kHz

30 dB minimum at 10 kHz

Output Level:  750 mV RMS minimum for 100% modulation (at max. setting of level control)

Output Impedance:  less than 1 k Ω, will drive loads of 10 k Ω or higher