Technical aspects
A. Accuphase E-650
E. Esoteric F-03A
Rated output
A. Class A 30 W + 30 W/8 Ω / 60+60W/4Ω 120+120W /2 Ω 150+150W/1 Ω
E . Class A 30+30W /8 Ω 60+60W/4 Ω
Power Consumption idle.
A. 168W general
E. 215W no signal Model for USA/Canada
Transistors output
A. 3 pair per channel total 12 transistor per unit MOSFET IRFP9140 & IRFP9140N 15A/100 °C
E. 3 pair per channel total 12 transistor per unit 2SA1925 Complementary 2SC3264 17A/230V
Input Voltage & Frequency
A . Model for Japan 100V AC 50/60 Hz
120 V/220 V/230 V AC, 50/60 Hz
E . Model for Japan AC 100 V 50/60Hz
Model for Europe / Hong Kong AC 230 V, 50 Hz.
Model for USA and Canada AC 120 V, 60Hz
Capacitors main Power Supply
A. 2 pcs X 50,000µF/50V
= 100,000µF
The energy stored in the capacitor one side
U = ½CV²
= ½ * 50000µF * 50²
= ½ * 0.05F* 50²
= 62.5 Joule
E. 8 pcs x 10000µF/80V
= 80,000µF
The energy stored in the capacitor one side
U = ½CV²
= ½ * 40000µF * 80²
= ½ * 0.04F* 80²
= 128 Joule
Main Transformer
A. more than 300VA N/A
E. 940VA custom EI power
Price
A ¥836,000 $5655,72 tax
E . ¥1,078,000 $7292,90 tax
Total harmonic distortion
A. 0.03% 4 - 16Ω, 30W
E. 0.006% (1 kHz, 8 Ω, 30 W)
Weight.
A. 25.3 kg (55.8 lbs)
E. 32 kg (70⅝Lbs)
Minimum Speaker Impedance
A. 2 Ω
E. 4 Ω
Frequency Response
A. 3Hz - 150 kHz (+0, -3.0 dB at 1W Output)
E. 10 Hz - 100 kHz (+0/−3.0 dB at 1W output)
Damping Factor
A. 800
E. 370
dB Output
A . 24 / 1Ω
E . 20 / 8Ω
Dimension
A.465 x 191 x 428mm / 18⁵/₁₆ x 7³³/₆₄ x 16²⁷/₃₂
E .445 × 191 × 468mm 17⅝" × 7⅝" × 18½" + knop jack
S/N ratio
A. 101dB (EIA )
E. 104 dB (IHF-A)
Tone controls
A. Bass: 300 Hz ±10 dB (50 Hz)
Middle N/A
Treble : 3 kHz ±10 dB (20 kHz)
E. Bass ±12 dB (63 Hz)
Middle ±12 dB (630 Hz)
Treble ±12 dB (14 kHz)
History
A. 2017 November
E. Dec 20th, 2018 . 2017
Power Peak Meter
A . Yes
E . No
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