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Single Discrete OPAMP
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Power Supply Board for Singularity 4 78 x 680uF/80V 2 x 47.000uF w/ Ultra Fast Recovery Diodes |
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Ultimate performance Discrete Audio OP-AMP's for upgrading any existing Audio product. This module is a simple and effective way to upgrade your CD, DVD or Blu-Ray player, or preamplifier, or network stream player by removing the existing OPAMP IC's and dropping these into the motherboard. This way any Audio equipment can upgrade to a true Discrete High End Analog stage with outstanding performance. It will drop directly into DIP8 single footprints in a CD, DVD, Preamp or soundcard.
This Discrete OPAMP based on brand new technology, with a folded cascode which eliminates semiconductor capacitances, and provides world class sound performance in your existing product. Compared to other similar products this module is made with high end thin film resistors, and a special high-speed circuit with extremely low THD (0.0003%). Current mirrors are made with lowest noise LED references. Resulting in a clean and coherent sound experience, with complete 'black background'.
Discrete High End Sound Quality
By start of 2010 we introduced these new discrete OPAMP's. Most signal sources, and many power amplifiers use operational amplifiers, as main active component, for amplifying, filtering and impedance conditioning of the audio signal. This means the audio properties of these OPAMPs have a big impact on the sound of your audio equipment. Even OPAMP's with good data, like very low THD specification still have very different sonic properties. This tells us that technical spec is not the whole story and defining factor for sound quality.
Classically there has been a few IC OPAMP's considered good for Audio, and with golden sound performance. But today it is in debate if even these sometimes very expensive chips are really capable of getting the best sound out of your CD player, DVD player, preamplifier or power amplifier. And when you add the fact that most
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commercial audio players use cheap OPAMP's and not the classical 'golden' OPAMP's that would cost hundreds of times more, there is place for improvement.
This discrete OPAMP is based on a novel 12 transistor circuit with very high linearity. Therefore low open loop amplification is possible, leading to natural, relaxed sound with a very high detail and perfect tonal balance.
The circuit implies current mirrors, which are here implemented with ulra low noise green LED's. This gives the amplifier very good low noise performance.
The input stage is bipolar unlike some other discrete OPAMP's available on the market. This gives our module the best possible stability under all real-life uses, and also protects it better against static electricity. Bipolar transistors also tend to sound cleaner and more dynamic than FET's in the input stage.
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By start of 2015 we also introduced the Special Edition, with higher Class A point, See HERE...
With a reference Clock and a couple of voltage regulators this is the cheapest way to achieve true high-end sound performance, even from mid range audio equipment.
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Ultimate performance Discrete Audio OP-AMP's for upgrading any existing Audio product. This module is a simple and effective way to upgrade your CD, DVD or Blu-Ray player, or preamplifier, or network stream player by removing the existing OPAMP IC's and dropping these into the motherboard. This way any Audio equipment can upgrade to a true Discrete High End Analog stage with outstanding performance. It will drop directly into DIP8 single footprints in a CD, DVD, Preamp or soundcard.
This Discrete OPAMP based on brand new technology, with a folded cascode which eliminates semiconductor capacitances, and provides world class sound performance in your existing product. Compared to other similar products this module is made with high end thin film resistors, and a special high-speed circuit with extremely low THD (0.0003%). Current mirrors are made with lowest noise LED references. Resulting in a clean and coherent sound experience, with complete 'black background'.
Discrete High End Sound Quality
By start of 2010 we introduced these new discrete OPAMP's. Most signal sources, and many power amplifiers use operational amplifiers, as main active component, for amplifying, filtering and impedance conditioning of the audio signal. This means the audio properties of these OPAMPs have a big impact on the sound of your audio equipment. Even OPAMP's with good data, like very low THD specification still have very different sonic properties. This tells us that technical spec is not the whole story and defining factor for sound quality.
Classically there has been a few IC OPAMP's considered good for Audio, and with golden sound performance. But today it is in debate if even these sometimes very expensive chips are really capable of getting the best sound out of your CD player, DVD player, preamplifier or power amplifier. And when you add the fact that most
| |
commercial audio players use cheap OPAMP's and not the classical 'golden' OPAMP's that would cost hundreds of times more, there is place for improvement.
This discrete OPAMP is based on a novel 12 transistor circuit with very high linearity. Therefore low open loop amplification is possible, leading to natural, relaxed sound with a very high detail and perfect tonal balance.
The circuit implies current mirrors, which are here implemented with ulra low noise green LED's. This gives the amplifier very good low noise performance.
The input stage is bipolar unlike some other discrete OPAMP's available on the market. This gives our module the best possible stability under all real-life uses, and also protects it better against static electricity. Bipolar transistors also tend to sound cleaner and more dynamic than FET's in the input stage.
|
By start of 2015 we also introduced the Special Edition, with higher Class A point, See HERE...
With a reference Clock and a couple of voltage regulators this is the cheapest way to achieve true high-end sound performance, even from mid range audio equipment.
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Voltage Range: +/- 5V to +/- 25V.
Supply current: typ. 7 mA.
Power Consumption typ. 0.2 Watts.
Slew Rate: 20 V/uS.
Dimensions: (Footprint on PCB) L:24mm W:13mm H: 31mm.
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Click!
In this SONY player the modules simply drop in, the
upgrade takes only 15 minutes, and gives a dramatic
improvement in resolution and clarity, even if it's
only a midrange CD player.
Circuit stability.
This OPAMP is stable even with very poor decoupling. However should you wish to add local decoupling caps, you can place them under the motherboard. We recommend 0.33uF Mylar types, like This one.. One from pin 7 to the nearest GND and another one from pin 4 to the nearest GND.
The OPAMP is unity gain stable.
DC stability.
In general discrete OPAMPs are less DC stable than it's IC counterparts, because the transistors are not placed on the same silicon chip. So the separate transistors may get slightly cooled or heated, causing DC to fluctuate or drift a little. There fore we do recommend using either DC servo or coupling capacitor after the discrete OPAMP. The latter is recommended as the less intrusive, and if selected carefully, will have no impact on the sound quiality.
Orientation of the opamp.
Click! | Each discrete module has a small arc, indicating the position of pin 1 and pin 8 on the socket. |
Click! | This arc must align with the footprint on the motherboard, for correct orientation. If you do it wrong the module will be damaged, so check it before final installation. |
Click on the chip name, for the Datasheet
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The version refers more to the pin configuration than the electric circuit, as the DX Discrete OPAMP will be a drop-in upgrade for any standard OPAMP, with the same pin configuration, as long as it is an audio equipment. Drop-In means, that you can simply remove
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the old OPAMP, and then solder the DX into the same footprint on the mother board. If your particular OPAMP is not listed, it does not mean, that the DX Discrete opamp will not be compatible, only that we could not list every available opamp.
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