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14 pcs A1943 C5200 650W mono hifi large power High-fidelity home fever professional stage amplifier board

38.00 $97.00 $

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SKU: 32941304056 Category:

Description

There are three types, pay attention to the choice:

This amplifier is divided into two layers.
In order to pursue clear and pure tone, this board adopts high-frequency transistor circuit design to carry out the clear and delicate sound of the transistor. The driver-level uses Toshiba's audio dedicated tube TTC5200 and TTA1943 as the input name IC JRC5532D. The power output stage uses 6 pairs of Toshiba's audio dedicated tube TTC5200, TTA1943 parallel output. This board uses a genuine original paired tube, or it is not resistant to high voltage and guaranteed effect.
The circuit board is made of 2.0mm FR-4 high-grade circuit board. The resistance is made of metal film with 1% error and high precision imported from Taiwan. The small capacitors all use original capacitors, and the coupling uses advanced capacitors. The board is made of materials, and the circuit design is reasonable. High noise-to-noise ratio, pure and sweet sound, outstanding detail. Please come to Taobao fans to buy this safely: the small volume can push the hard-pressed Huiwei bat's bass to the low distortion, low noise, high withstand voltage and the mute of the switch, the chip has perfect inside Pressure protection, overload protection, output short circuit protection
The tone is pure and bright, and the components are not comparable. The circuit design is further perfect. Extremely high noise-to-noise ratio, it is difficult to hear noise close to the speaker
protect the circuit
In order to protect the precision and expensive components of this amplifier, as well as your more precious speakers, the power board of this amplifier is designed with a very sophisticated all-round protection circuit. The first is overcurrent and output short-circuit protection. It uses an advanced floating clamp sampling circuit. It is characterized by the sampling level fluctuating with fluctuations in the output voltage, only when the output current exceeds the set value (due to its sampling point The output voltage fluctuates, so no matter which stage of the output waveform the current value appears, the protection circuit will accurately capture each overcurrent or short circuit instant, decisively turn off the output relay to ensure the normal operation of the circuit, also because it is floating Clamp type, so it will never malfunction.)
Conditions of use and basic parameters
In order to pursue the highest resolution, the power amplifier board uses a mono structure (push level + power stage composition) and two channels for each channel (the push board is mounted on the power board) to form a stereo. Each block has an independent protection circuit
The board's power supply voltage range is extremely wide, and it can work reliably between DC currents of 28V-100V (the recommended working voltage of the bare board is the intermediate value of DC 55V. As for the power of the power transformer, the bigger the better). This is especially important when enjoying great dynamic music. It will let you really understand what it is to feel the shock of shaking the ground.
Use voltage: DC double 28-100V, the protection circuit needs a separate power supply. For the pursuit of large dynamics and power, it is recommended to use DC dual 90V. The power should be above 500W.
Technical Parameters:
Output power: 650W
Frequency response: +0dB/-0.8dB (20Hz~20KHz)
Total harmonic distortion: <0.1% 8Ω 20Hz~20KHz
Signal to noise ratio: (20Hz–20KHz): A weighting, full power output >98dB
Instant Bear?? 25V/μS
Damping coefficient 8Ω: 10Hz-400Hz: >200
Crosstalk between channels: 1kHz: -76 dB / 20kHz: -58dB
Input impedance: 20KΩ (Balanced)/10KΩ (Unbalanced)
Input sensitivity: 1.25V/4Ω rated power
Dimensions: Push plate 143mm long X78mm wide.
Power board 185mm long X78mm wide

Additional information

Package

Yes

Maximum Power Per Channel

Above 200W

Model Number

650W amplifier board

Brand Name

kaolanhon

Channels

1

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Select options This product has multiple variants. The options may be chosen on the product page