ETANI ELECTRONICS CO., LTD.

ES-1A SPECIFICATIONS

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ES-1A SPECIFICATIONS

FUNCTION OVERVIEW

Measurements
& Judgments
1) Frequency: Auto/manual sweep
2) Sinusoidal oscillator + Impedance measurement
3) Lowest resonance frequency (f0) measurement
4) Impedance measurement/judgment at specified frequency
5) Polarity display / Judgment results display / Response wave display
Sweep Frequency Range10 Hz ~ 39.9 kHz
Signal Generation MethodSampling frequency: 96 kHz AD/DA conversion: 24 bit
Operational Mode・ Auto sweep
・ Single sweep
・ Free oscillator
Frequency Change RateLogarithmic linearity
Output Voltage Setting
 SpeakerType A: 20.0 V max. 1 mV step
Type B: 13.0 V max. 1 mV step
 Line Output2.0 V max. 1 mV step
Frequency Setting
 Frequency RangeStart frequency: 10 Hz End frequency: 39.9 kHz
 Frequency Setup Resolution1 / 768 oct. 0.9 Hz@1 kHz
 Frequency Accuracy±150 ppm ±0.15 Hz@1 kHz
Max. OutputType A: 50 W / 4 ~ 8 Ω load
Type B: 20 W / 4 ~ 8 Ω load
Microphone InputPlug-in electric microphone (for speaker polarity judgment)
Impedance Accuracy 50Hz ~ 10kHz  ± 0.20 ohm / 2.0 deg.
20Hz ~ 15kHz ± 0.30 ohm / 2.0 deg.
10Hz ~ 25kHz ± 0.50 ohm / 5.0 deg.
*Output level: 1.0V Load Impedance: 8.0 ohm
Display128 x 64 dot Black & white / blue graphic LCD
External Communication Interface3-wire serial 115200 bps 3.3 V CMOS Level
Firmware update function
Main Unit Power InputDC 15 V 7 A ~ 13 A
Required current depends on amplifier output power
External AC adapter is used
Rated Power Supply Voltage100 V, 120 V, 220 V, 240 V 50 ~ 60 Hz single phase
External Dimensions140 (W) x 94 (H) x 220 (D) mm
AC Adapter not inclusive
Weight・ Type A: 2.4 kg aprox.
・ Type B: 1.8 kg aprox.

Specifications are subject to change without notice.

Overview