Description
Model number: CAPRICE VER2Features/NotesCompact D/A converterA multi-functional product that can be used very conveniently as a DAC/preamplifier.?Equipped with ESSs 32-bit DAC chip ES9018, which seems to have the highest performance as of March 2010.?In order to take full advantage of this maximum performance, the ultra-low jitter clock is powered by a high-speed amplifier with bipolar input instead of CMOS, and current is supplied from a dedicated shunt power supply. In addition, it features an ultra-low noise, about 30 dB lower than a general 3-terminal regulator (7815), a quick response power supply with no overshoot, and a class A ultra-low noise OP amplifier (1.8 nV/?Hz) that uses all JFETs to ensure sound quality. We have developed and installed key devices such as: The IV conversion section consists of two circuits of this OP amplifier in parallel.?The coaxial input uses a high-speed pulse transformer (115MHz, 0.5pF with shield between PS) and a high-speed comparator with hysteresis due to bipolar input to prevent jitter from entering, and TOSLINK is a high-speed type (25MBPS), so any SPDIF input can be used. Supports 24Bit/192kHz sampling (32Bit/192kHz sampling has also been confirmed to work). USB and AES/EBU, which do not have sufficient isolation, may have some negative effects when connected, and USB in particular has the potential for a large amount of switching noise from PCs to enter, so we purposely eliminated them and replaced them with coaxial ones. We recommend converting it before use (there are products that support 192kHz by converting from USB).AES/EBU can be connected to the coaxial cable without connecting the ground within 3 meters without any problem, but if you want to match it exactly, insert a T-type attenuator with three resistors on the coaxial side of the cable to perform impedance matching. . In addition, coaxial is equipped with 2 inputs and TOSLINK is also equipped with 2 inputs. However, one of the three digital systems that can be switched with the rotary switch on the front can be switched between coaxial and TOSLINK on the back. Additionally, the 3 digital inputs can be switched using the remote control.?It also has two analog input systems, one of which can be optionally converted into a phono equalizer (input equivalent noise voltage -140dBV) using an all-JFET OP amplifier. As a further option, it is also possible to switch between SP and LP curves. In addition, the analog signal is injected into the differential IV conversion circuit via a real-time BTL circuit (consisting of a JFET input OP amplifier) ??developed by our company in 1980. Note that this injection circuit is disconnected during digital operation.?Variable output with front volume is equipped with RCA on the rear. This makes it very convenient to use as a DAC/preamplifier. This line amplifier is a complete DC amplifier with two parallel JFET input OP amplifiers. Since it has plenty of driving power, it also doubles as the front headphone output.?The direct output of the DAC, which does not pass through the front volume, is the balanced output of XLR (2nd hot), and when using it unbalanced, use only XLR 1 and 2 (no 3 is connected anywhere). The design intentionally eliminates the balanced/unbalanced conversion circuit that degrades the freshness of the sound.?The digital input allows digital volume control using the remote control, so the balanced output of the XLR can be sent directly to the balanced input power amplifier. When combined with our power amplifier CERENATE, it becomes a simple configuration that does not pass through any balanced/unbalanced conversion circuit or its inverse conversion circuit, allowing you to listen to highly fresh sound. However, since digital volume cannot be used with analog input, the output is fixed.?A total of 3 power transformers are used, one for analog and one for left and right independently, and one for digital. The two analog transformers are connected in a direction that cancels leakage magnetic flux. This technology was implemented in the LZ-12 released in 1978. The CERENITY power supply has ultra-low noise, 1/3000 times that of a general switching power supply, so even though it is ideal for a power amplifier with a high signal level like the CERENATE, we decided that it was too early for this DAC.?The power supply is equipped with a noise filter to ensure this ultra-high performance even in environments with a lot of power supply noise.?Uses Schottky barrier diodes, audio capacitors, and audio resistors that do not generate power supply noise. The connector-less design is highly reliable, and the main external terminals are gold-plated.?The board is equipped with input terminals for I2S and DSD signals that can also input 32Bit/192kHz and 24Bit/352.8kHz (an optional isolated PS AUDIO compliant HDMI input can be installed internally as a sub-board). DIP switches on the bottom allow settings such as sharp roll-off, slow roll-off, PLL bandwidth, DSD filter characteristics, oversampling, and presence/absence of jitter reduction function. The design is full of exploration and playfulness.?The ES9018 has 8 sets of differential DACs inside, and all of these can be used as 1 channel monaural. In this case, set whether it is for the right channel or the left channel. If you use two CAPRICE units and make these settings using the dip switches on the bottom, theoretically you can obtain nearly infinite separation, and if you connect the two channel outputs of one unit in parallel, you can obtain a dynamic range of nearly 135 dB. The ultimate performance at present is achievable.The basic way to split the signal is to split the SPDIF signal into two using the splitting device. If there is coaxial and optical output, it is also possible to transmit one using coaxial and the other using optical. Alternatively, you can enable SPDIF output from the first Caprice and transmit it to the second Caprice. If you are using an I2S signal, you can split it with a device that splits the HDMI, or if you want to modify the transport and output it, you can modify it to 2 outputs. Alternatively, you can enable I2S output from the first Caprice and transmit it to the second Caprice.For remote delivery areas, additional fees will be charged. Import duties,taxes and charges are not included in the item price or shipping charges. These charges are the buyers responsibility. These charges are normally collected by the delivering freight(shipping) company or when you pick the item up. -do not confuse them for additional shipping charges. We do not mark merchandise values below value or mark items as gifts. -US and International government regulations prohibit such behavior.
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