General Specifications
General Specifications
Name/Model EA13 Hardware configuration MCU: ESP32-S3; AMP: PCF80*2 + EL34*4
Working mode Line input mode
Color Black/Silver Weight About 17.7kg
Dimensions About 430x339x145mm Volume control type Knob control
Display Mechanical pointer VU meter Recommended headphone impedance PO: 16~300Ω
Buttons and Ports
Buttons Encoder knob (with volume control)*1+Input selector knob (with input switching and power on)*1 Headphone output Standard 6.35mm port
Single-ended line input RCA port*4 Speaker output SPEAKER OUT*2 (4Ω*1 + 8Ω*1)
TRIGGER port Standard 3.5mm headphone port (TRIGGER IN port*1) 　 　
Power Supply Parameters
Power supply Supports AC 100–120V 60Hz/220–240V 50Hz; 230V/115V voltage input selector 　
Audio Parameters
Performance and parameters of headphone output (6.35mm output, line in)
Output power L+R≥30mW+30mW (16Ω, THD+N＜1%, 0.7Vrms) Crosstalk ≥76dB (1kHz@32Ω)
L+R≥60mW+60mW (32Ω, THD+N＜1%, 1.4Vrms) Noise floor ＜25uV (A-weighted)
L+R≥185mW+185mW (300Ω, THD+N＜1%, 7.4Vrms) SNR ≥95dB (A-weighted)
THD+N ＜0.06% (1kHz/-16.3dB@32Ω) Dynamic range ≥95dB (A-weighted)
Frequency response 20Hz~65kHz: attenuation＜2.9dB Peak output voltage 46.2Vp-p
20Hz~20KHz: attenuation＜0.05dB 　 　
Performance and parameters of speaker output (4Ω output, line in)
Output power L+R≥18000mW+18000mW (4Ω, THD+N＜1%, 8.5Vrms) Output impedance ＜1.5Ω (4Ω)
L+R≥28000mW+28000mW (4Ω, THD+N＜5%, 10.6Vrms) Crosstalk ≥77dB (1kHz@4Ω)
Noise floor ＜150uV (A-weighted) SNR ≥97dB (THD+N＜5%, A-weighted)
Frequency response 20Hz~60kHz: attenuation＜2.9dB Dynamic range ≥97dB (A-weighted)
20Hz~20KHz: attenuation＜0.7dB Peak output voltage 42.4Vp-p (THD+N＜5%)
Performance and parameters of speaker output (8Ω output, line in)
Output power L+R≥18000mW+18000mW (8Ω, THD+N＜1%, 12Vrms) Output impedance ＜1.5Ω (8Ω)
L+R≥28000mW+28000mW (8Ω, THD+N＜5%, 15Vrms) Crosstalk ≥77dB (1kHz@8Ω)
Noise floor ＜210uV (A-weighted) SNR ≥97dB (THD+N＜5%, A-weighted)
Frequency response 20Hz~70kHz: attenuation＜2.7dB Dynamic range ≥97dB (A-weighted)
20Hz~20KHz: attenuation＜0.4dB Peak output voltage 59.1Vp-p (THD+N＜5%)