Accuphase E480 Integrated Amplifier
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Price and demonstration are available on request.
New in store now the Accuphase E-480 Integrated Amplifier
Music can be soothing, exciting, exhilarating. It can move our hearts and enrich our lives, Accuphase gives you all of these emotions and more through their audio technology. So there was no hesitation when we had a chance to become a Accuphase Dealer, we are so proud to offer their complete range of Hi-Fi Products. If you have never heard a Accuphase amplifier we at Doug Brady's invite you to book a demonstration, these amplifiers simply stunning.
Since the E-303 launching in 1978, the high-power integrated amp is at the core of Accuphase product lineup. The Accuphase E-480, 180W/ch Integrated Amplifier is the succession model of E-470. The Preamplifier section features the further evolved AAVA that enables an accurate volume control. At power amplifier section, a damping factor is further enhanced with precise and dynamic speaker driving ability. The preamplifier and power amplifier sections are kept entirely separate, users are able to combine E-480 with other separate systems.
- Revolutionary AAVA volume control
- Power ampliﬁcation stage with power MOS-FETs in triple parallel push-pull conﬁguration
- Rated output 180 watts into 8 ohms
- Damping factor 600
- Instrumentation ampliﬁer principle in power ampliﬁcation stage allows fully balanced signal transmission
- MCS+ topology and current feedback in power ampliﬁcation stage
- Strong power supply with massive high-efficiency transformer and large ﬁltering capacitors
Added Option Board (available at extra cost)
AD-50 Phono Stage Board
High- performance phono equalizer amp for playback of analog records.
- MC/MM switching is possible on the front panel of the enabled device.
- Internal DIP switches control MC input impedance and subsonic filter on/off.
|MC :||Moving Coil type|
|Gain :||66 dB|
|Input Impedance :||30/100/300 ohms (selectable)|
|MM :||Moving Magnet type|
|Gain :||40 dB|
|Input Impedance :||47 kilohms|
|Switch Position||Sensitivity||Frequency Response
|S/N ratio (EIA)|
Added Option Board (available at extra cost)
DAC-50 DAC Board
The DAC-50 is an optional digital input board that supports a broad range of digital sound sources and is equipped with a high-precision MDS type D/A converter for optimal sound quality. The converter uses AK4490EQ chips from Asahi Kasei Microdevices in a double parallel configuration per channel. Installing the board in a slot on the rear panel of a supported Accuphase component provides direct input capability for signals from digital components for high-grade playback. Three types of inputs are provided: USB (Type B), OPTICAL (for optical fiber cable), and COAXIAL (for coaxial cable). The USB input handles signals up to 11.2 MHz / 1-bit 【DSD】 and 384 kHz / 32-bit【 PCM】, the coaxial input supports up to 192 kHz / 24-bit and the optical input up to 96 kHz / 24-bit.
- An automatic change of the coax input / optical fiber /USB input
- Automatic recognition of number of sampling frequency /bit /MHz de-emphasis
- USB ：USB 2.0 High Speed （480Mbps） compliant
：Sampling frequency DSD/2.8224MHz,5.6448MHz,11.2896MHz(1bit)
- OPTICAL：JEITA CP-1212 compliant
：Sampling frequency 32kHz～96kHz, 24bit
- COAXIAL：IEC 60958/AES-3 compliant
：Sampling frequency 32kHz～192kHz, 24bit
Accuphase E-480 Integrated Amplifier
The new E-480 is a new-generation integrated amplifier that comes close to the performance of separate Pre/Power system. It has a whole new front panel design including the button array inside the sub-panel. Needle power meter with indication range to -50dB is able to move even at the small volume level less than - 60dB. The Sampling Frequency Display has expanded to “MHz” to support the DAC-50. The E-480 takes the mono block construction. With the symmetrical arrangement of L / R power amplifier blocks, strong power supply with a massive high-efficiency toroidal transformer and two large 40000μF specially- made filtering capacitors are installed at the centre of unit.
The rated output power of E-480 is 180W into 8Ω load, 260W into 4Ω load. The actual maximum output power achieves 290W into 4Ω load. The AAVA (Accuphase Analog Vari-gain Amplifier) is a volume control principle that eliminates all variable resistors from the signal path. This is Accuphase unique technology. The AAVA module in E-480 achieves low noise by the fourth paralleled largest unit and the paralleled second largest unit in “V to I” converters. This improvement helps to make the V-I converter amp’s output current double, and it results in reducing the value of the feedback resistors and the noise coming from them.
Power amplifier sections contain same circuit configuration as Class-A stereo power amp. A-75. The output impedance is decreased by 3 parallel push- pull final stage arrangement of MOS-FETs. The E-480 mounts the new power MOS-FET device which is heavy-duty and has the large absolute maximum ratings. **Absolute maximum ratings of power MOS-FET E-470’s MOS-FET: 180V / 10A
E-480’s MOS-FET: 200V / 12A
Logic-control signal switching relays for shortest signal paths
Five line level and two balanced inputs
Line input and output connectors for a recorder
Individual phase setting for each input
Stereo signal can be switched to monophonic operation
Left/right balance control also realized with AAVA
Convenient attenuator is useful for example when operat- ing an analog record player
Loudness compensator enhances low end presence
Tone controls using summing active filters
Power amplification stage employs instrumentation amplifier principle for fully balanced signal transmission
Amplification circuitry features MCS+ topology and current feedback principle to assure excellent phase characteris- tics in high range
Protection circuitry using MOS-FET switches
Two sets of large speaker terminals also accept spade lugs
Preamplifier and power amplifier sections can be used separately
Preamplifier outputs also support bi-amping connection
Choice of line level and balanced connectors for preampli-
fier output and power amplifier input
Dedicated headphone amplifier designed for optimum sound quality
Two option board installation slots
DAC input selector button for use when digital input board
(DAC-50 or DAC-40) is installed
Numeric indication of digital signal sampling frequency (when DAC-50 or DAC-40 is installed)
High-sensitivity analog peak power meter
Rated Continuous Average Output Power (both channels operating simultaneously, 20 - 20,000 Hz)
260 watts per channel into 4 ohms
180 watts per channel into 8 ohms
Total Harmonic Distortion (both channels operating simultaneously, 20 - 20,000 Hz)
0.05% 4 to 16 ohm loadIntermodulation Distortion 0.01%
HIGH LEVEL INPUT
At rated continuous average output: 20 - 20,000Hz +0, –0.5 dB MAIN IN
At rated continuous average output: 20-20,000Hz+0,–0.2dB