Accuphase E-4000. An Integrated 180W/channel possibly the Finest in a Solid State Stereo Amp. Period.
Now at True Audiophile
The E-4000 replaces the beloved and vaulted 480. When we say, "period" we don't kid. Accuphase has a low product due to their legendary build quality and sound. -- Mini Review by True Audiophile
Since the E-303 launching in 1978, the high-power integrated amp is at the core of Accuphase product lineup.
E-4000 is a succession model of E-480, it is the 12th generation of “Accuphase Core Product”.
The E-4000 integrated amplifier has emerged from separate amplifier technologies.
The preamplifier section features AAVA using ANCC to allow for volume adjustments that maintain high levels of vibrancy. The power amp section employs balanced transmission utilizing the instrumentation amplifier principle to drive noise suppression to its limit.
The E-4000 is equipped with a four-fold parallel push-pull configuration of power transistors driven in Class AB in the output stage to extract every last ounce of potential from the speakers and create soundscapes filled with subtlety.
Advanced Features
- Revolutionary AAVA volume control
- Four-fold parallel push-pull configuration of power transistors driven in Class AB
- High power output of 180 watts into 8 ohms / 260 watts into 4 ohms
- Power amplification stage configured as instrumentation amplifier
- High damping factor of 800
- Strong power supply with massive high-efficiency toroidal transformer
- High-voltage, large filtering capacitors
- Protection circuitry using MOS-FET switches
[[[specification_start]]]
Rated Output
(20 to 20,000 Hz, 0.05%)
Total Harmonic Distortion (20 to 20,000 Hz)
Intermodulation Distortion
Frequency Response
Damping Factor Input Sensitivity
Input Impedance
Max. Input Voltage Output Voltage Output Impedance
* See the previous page for information on the controls in the sub panel.
Button for opening the sub panel
Headphone jack
Option board installation slots
Phase AC power Preamplifier selector supply connector
output connectors Power amplifier Speaker terminals A / B (2 sets)
Gain
*: Limited to music signals
Net
In shipping carton
24.4 kg (53.8 lbs) 31 kg (69 lbs)
From PRE OUT
Power meters
To INPUT
DAC-60
DSD
PCM PCM PCM
5.6 MHz 11.2 MHz
11.2 MHz: ASIO only
32 to 384 kHz 32 to 96 kHz 32 to 192 kHz
1-bit
32-bit 24-bit 24-bit
○- ○+○- ○+ HIGH LOW
○- ○+○- ○+ HIGH LOW
LEFT RIGHT
-+-+
Power amplifier
DAC-60 AD-50
Option board installation example
Digital Input Board Connection example
Digital Input Board
Analog Record Input Board
Line Input Board
Digital component
T V *
P C
DAC-50 / DAC-40 / DAC-30 / DAC-20 / DAC-10
AD-30 / AD-20 / AD-10 / AD-9
LINE-9
Cartridge Gain
Input Impedance
MC 66 dB 30 ohms 100 ohms
300 ohms
MM 40 dB
47 kilohms
LINE-10
RIGHT LEFT
AD-50
DAC-60
Line input board
Both channels driven Both channels driven
At rated output At 1 W output
At rated output
EIA
(at 1 W output)
4-ohm load * 8-ohm load
4 to 16-ohm load
260 W / ch 180 W / ch
0.05%
Tone Controls
Loudness Compensator
Turnover frequency and adjustment range
INPUT (BALANCED) INPUT (LINE)
MAIN IN (BALANCED) MAIN IN (LINE) INPUT (BALANCED / LINE)
At rated output PRE OUTPUT (BALANCED / LINE)
At rated output PRE OUTPUT (BALANCED / LINE) INPUT (BALANCED / LINE) PRE OUTPUT (BALANCED / LINE)
MAIN IN (BALANCED / LINE) SPEAKER OUTPUT
190 mV 1.51 V 14.2 mV 113 mV 40 kilohms 20 kilohms 40 kilohms 20 kilohms 5.0 V 1.51 V 50 ohms 18 dB 28 dB
There is more information the manual and technical manual. We included both below.
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