TPA3221 is a high-power class-D amplifier with closed-loop negative feedback with a bandwidth of up to 100kHz, providing low distortion of the audio band and excellent audio quality. The device works in AD or low no-load current HEAD (high efficiency AD mode) modulation, and can Ohm load provides 2x105W.
1. Using Beijing 6J1 electronic tube, can replace the tube: 6K4, 6J2, GE5654, 6J3, 6J4, 6J5, 6*1N, 6AK5, etc.
2. Original TPA3221 Class D amplifier chip.
3. Op-amp chip LM4562NA
4. The main filter capacitor adopts imported 1000UF/50V
5. High-precision chip resistors are selected for the resistors to ensure a good signal-to-noise ratio of the whole machine.
6. The PCB adopts 1.6mm thick double-sided board, 2.0 oz copper thickness, and the whole process of spraying tin to ensure good passing performance of large and small currents. First-class PCB quality.
7. The input and output use gold-plated RCA lotus seat, durable and beautiful!
8. The board wiring is reasonable, beautiful, and low noise
9. Bluetooth uses Qualcomm QCC3031 version 5.1, supports sbc, aac, aptx, aptx-HD
10. Bluetooth DAC uses PCM5102 to decode independently
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Here is an estimate of the shipping times. Due to factors that often affect international shipments, such as holidays, customs, and weather delays, we can only offer an estimate of shipping times.
Estimated Shipping Time
10-30 business days
15-40 business days
Australia, New Zealand
15-45 business days
Mexico, Central America, South America
20-60 business days
Middle East (UAE, Saudi Arabia)
20-40 business days
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Parameters: PC-USB supports sampling rate: 96K/24Bit Distortion: RCA: 0.2%/HP: 0.003% Bluetooth version: 5.0, QCC3031 support Qualcomm aptX and aptX HD Vacuum tube: 6N3, you can replace tube by GE5657,396A,2c51,12BA4,5670,6H3n PC-USB support operating system: XP/W7/W8/W10/MAC/linux SNR: RCA,108dB; HP, 106dB Headphone impedance...
Note: please download the driver before operating Tube-T10 if your system is Windows 7,Windows 8 or Windows XP.https://www.mediafire.com/file/xffmyytamgcbbb5/B2D2326.rar/fileFeature :24bit 192kHzThe USB of Tube T-10 supports PCM decoding from 16bit/192 kHz to 24bit/192KHz, which is enough to cover the current mainstream...
Specifications:Output level: 600mV @3mV 1KHzSignal to noise ratio: ≥98dBWorking voltage: DC12V 2ADimensions: 118.5*98*33MM (without protruding knobs and terminals)Frequency response: RIAA compliant Distortion: 0.1% Operation Steps:1. The gear switch is in the OFF state.2. Insert the supplied tube into the tube holder...
Parameters: Power supply: DC12V (With supply power) Audio input: Bluetooth/ AUX (connected to MP3, computer CD, DVD, mobile phone, etc. ) Audio output: RCA (connected to amplifier, active speaker and other signal input) Frequency Response:20Hz-20kHz SNR:98dB Control:Potentiometer knob and...
This is an electronic tube preamplifier board, without amplifier function, can not directly connect passive speakers and speakers, can not be connected to headphones, can not be used in cars, DC 12V power supply Power: DC 12V, Above...
Description:The product is a preamplifier. It is not audio amplifier. It needs to be connected to an active speaker and a rear amplifier. Power supply: DC12V 2A (Without supply power) Audio input: Bluetooth/ AUX (connected to MP3, computer CD, DVD, mobile phone,...