YJHIFI Q1 Digital Power Amplifier – Dual Core Audio with TPA3221 Preamplifier

$80.99

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YJHIFI Q1 6J1 TPA3221 2x200W Preamplifier Digital Power Amplifier Dual Core Audio AMP
YJHIFI Q1 Digital Power Amplifier - Dual Core Audio with TPA3221 Preamplifier
$80.99

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YJHIFI Q1 6J1 TPA3221 2x200W Preamplifier Digital Power Amplifier Dual Core Audio AMP
YJHIFI Q1 Digital Power Amplifier – Dual Core Audio with TPA3221 Preamplifier
$80.99
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The TPA3221 is a versatile, high-performance power amplifier designed to operate in a wide voltage range from 7V to 30V. It supports both stereo (2 x BTL) and mono (1 x PBTL) operation.

The output power varies based on THD+N value:

  • At 10% THD+N, the output power is 105-W stereo into 4 Ω, 112-W stereo into 3 Ω, or 208-W mono into 2 Ω.
  • At a lower 1% THD+N, the output power is 88-W stereo into 4 Ω, 100-W stereo into 3 Ω, or 170-W mono into 2 Ω.

The TPA3221 also features a built-in LDO for optional single-supply operation and a closed-loop feedback design. It supports a signal bandwidth up to 100 kHz, catering to high-frequency content from HD sources. The device boasts an excellent signal-to-noise ratio (>108-dB SNR A-Weighted) and a 60-dB PSRR under a BTL, no input signal condition.

The TPA3221 has an efficient operation rate of 90% in Class-D operation and integrated protection features against undervoltage, overvoltage, current limit, short circuit, and overheating.

1

This amplifier is manufactured by YJHiFi in the model Q1. It uses the Beijing 6J1 tube and the main filter capacitor is imported, supporting 1000UF/50V. For better signal-to-noise ratio, the device incorporates high-precision chip resistors.

2

The PCB board is designed with 1.6mm thick double-sided structure to ensure smooth current performance. It has a 2.0 oz copper thickness and a full tinning process for durability.

3

The amplifier’s input and output both use gold-plated RCA Lotus seat for durable and aesthetics aspect. The device also features Bluetooth connectivity via Qualcomm’s QCC3031 module with sbc/aac support and independent decoding with PCM5102.

4

The amplifier delivers an impressive output power of 200W+200W and operates under a DC18-30V 7A power supply. It weighs 0.65KG and measures 157mm in depth, 126mm in width, and 44mm in height (not including tube height).

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The package comes with one power amplifier.