Description

American sound Philips TDA1541 decoding TDA1541A DAC fever grade

Philips TDA1541 decoder CD computer digital broadcast audio source decoder DAC

This machine uses Golden Throat servo power board with Philips TDA1541 chip. With optical, coaxial, balanced input, with RCA and balanced output. Baby Elephant carefully selects materials for you and builds them carefully. The construction period is about one week. If the construction period will be extended due to the shortage of parts, you must be mentally prepared when you place an order. All couriers will buy insurance, please check and sign for receipt. If the freight is damaged, please contact me immediately. Or not to sign for the time being. After signing, all transportation damage is the buyer's responsibility. Due to the large amount of components purchased and the need for sound adjustment, it is not guaranteed that the components used in each batch are exactly the same. (The machine is not equipped with any wires except the power cord, because the wires are universal and need to be prepared by yourself) About warranty: One-year warranty, lifetime cost maintenance, automatic system confirmation or If the delivery time is extended indefinitely, it is deemed to automatically waive the warranty rights. If an individual buyer requests that the original standard version be changed according to his personal requirements, no return will be accepted for any reason. If the deposit or payment has been made, both parties need to abide by the spirit of the contract. If the seller fails to deliver the goods within the agreed time limit, or fails to order according to the customer's requirements, the seller shall be deemed to be in breach of contract and the deposit shall be fully refunded to the buyer. If the buyer refuses to complete the transaction, it will be regarded as the buyer's breach of contract, and the deposit or payment will not be refunded to compensate the seller for the loss of purchased materials.

In order to respond to the requirements of the majority of enthusiasts, multiple package options are now available

Package 1: The finished machine is equipped with TDA1541A chip + SAA7220PC filter solution, with 4 OPHDAMVV8 and 2 OPHDAMVV7 op amps

With USB bluetooth module Please specify if needed

TDA1541 OP S8 MA classic audio decoder is based on the optimized design of Philips' first-generation classic DA chip TDA1541, introduces the concept of split independent power supply, and draws on the analog output of the first-generation famous machine LHH1000 to obtain lower distortion and high signal-to-noise ratio on this basis. The mid-frequency is transparent and full of charm, and the rich and excellent vocals have made the legendary DA of PHILIPS. OP S8 overview: From the beginning of the design and decoding, it is the contact with the TDA1541, and every time the sound is opened, it is attracted by its charming mid-frequency! TDA1541 OP/S8 is the 8th version of the design. It is optimized on the basis of the previous S2, S4, S5, and S6 designs. The S8 adopts a new design structure, and the power supply and decoding are separated to prevent slight vibration when the power transformer is working. Due to the influence of sound harmonics, the actual sense of hearing has a more delicate mid-frequency and sound thickness than the overall design of the OP/S6. The digital receiver adopts CS8412, a digital receiver IC of the same period, and the digital filter adopts SAA7220 specially designed for TDA1541 to complete 4X oversampling. The selection of the overall components is based on the combination of the tuning experience and summary of the previous editions, so that the TDA1541 OP/S8 has a significantly improved mid-frequency density and thickness in terms of hearing, and the high and low frequency extension and analysis have been improved to a higher level. The sound is more cohesive and audible. OP/S8 sound characteristics: three-stage performance is balanced, the low frequency is plump and not fat, the mid frequency density, the air is good, and the vocal is thick. The high-frequency performance is unobtrusive but meticulous. Everything is just right. OP/S8 is a music decoder suitable for long listening time! Input: support coaxial, optical, AES/EBU, 3 kinds of digital signal input, output: a set of RCA (unbalanced), a set of XLR (balanced) two kind of analog audio signal output. The power board is designed with the Golden Throat servo power supply, and the original imported transformer is used to make the sound purer. 4: The LPF analog output part, derived from PHILIPS LHH-1000, gives full play to the sound characteristics of 1541. OP/S8S adopts a new power supply and decoding split design structure, which eliminates the influence of slight vibration on sound harmonics when the power transformer is working. OP/S8 uses TDA1541 with R2R structure as the decoding core. The analog low-pass filter (LPF) refers to the famous generation machine PHILIPSLLHH1000. OP/S8 uses SAA7220 as the digital filter, and it is matched with TDA1541 to form a seamless graft. It works at 4X oversampling, and the digital reception uses CS8412 with better music taste than DIR9001. OP/S8 supports multi-signal access, including coaxial, optical, AES/EBU digital input, compatible with a large number of 44.1K sampling rate audio files, etc. OP/S8 uses regular channels to purchase audio fever components, ERO, BC, EPCOS Audio capacitors such as ELNA, through careful matching, can give full play to the sound characteristics of TDA1541. The OP/S8 split power board has 7 sets of independent power supplies, which are connected to the decoding part through customized cables, and the 7 sets of power supplies are subdivided into independent power supplies for each IC. Improve the separation and mutual interference of the whole machine. The analog part is powered by a fully discrete high-speed series power supply composed of audio transistors. Guarantee its big scene music dynamics and speed. The customized chassis of OP/S8 is an all-aluminum structure chassis, with a panel thickness of 8MM and a single machine weight of 4.5KG, which reduces the resonance of the machine placement. The cable inside the machine uses imported Teflon silver-plated cable to prevent the inferior quality of the inside cable and cause the sound to deteriorate. The power board uses the op-amp precision servo low-noise 7-channel independent power supply design concept, which is a new design launched at the end of 2016. We have made further optimization and upgrades on the well-received XA series decoding, and we have been working hard not to neglect. From the sound of the equipment to our ears, it is an electro-acoustic conversion process. In this process, the power supply is the soul of the sound, and the quality of the power supply directly affects the performance of the sound. Based on the previous generation of power supplies, a new circuit design is made. This time, a discrete component op amp servo is used for the +-15V of the analog part and the +-5V of the DA chip, and the component matching is optimized. After upgrading the XA2 SE decoder, the background noise, low frequency dive, high frequency extension, and detailed overtones have improved analog +-15V power output, using Accuphase golden voice C280 pre-stage power circuit, op amp + ON Semiconductor avalanche regulator composition, and preferred elements. The analog positive and negative +-5V is the design focus of this power supply. The op amp is also used for precision service, the ordinary voltage regulator tube is abandoned as the reference, and the low-noise LED is used as the reference, and a constant current source is added to provide a constant current for the reference voltage. The output power supply is designed to be adjustable, the output voltage can be adjusted, and the +- voltage difference can be balanced to obtain a consistent output voltage. The output power adjustment design uses Darlington cascade connection to improve the output adjustment rate and the response speed is faster. On the basis of the first generation power supply, the decoupling layout of the output power supply and the design summary of the ground wire are optimized, and the analog +-15V power supply output with low background noise is obtained. , It is composed of Golden Throat C280 pre-stage power supply circuit, precision op amp + ON Semiconductor avalanche regulator, and imported components are selected. The analog positive and negative +-5V is the design focus of this power supply, and the op amp is also used as the precision servo. The output power supply design is adjustable, the output voltage can be adjusted, the +- voltage difference can be balanced, and the consistent output voltage can be obtained. The digital +5V uses Linear Technology's low noise LT1086-5, which outputs low power supply ripple and reduces the JITTER of the digital part. The importance of power supply in the system is self-evident, and its status is no less than what good wire and what good device are used in the system. Sometimes we keep changing these, spending a lot of money but not getting much change or improvement. The power supply is the soul of a piece of equipment, so I firmly believe that the changes made by the power supply are undoubtedly big. The new power board designed this time is used on the XA series decoder, and the overall quality has been improved by 15%. I really enjoy the changes brought about. Chassis size: width 320, height 70, depth 305 The default version of this machine does not have USB, please contact us if you need USB Digital input format: 32KHz, 44.1KHz, 48KHz