Image A3 A3 PRO T2 T2 PRO T3 T5 T6 A5
Model A3 A3 PRO T2 T2 PRO T3 T5 T6 TUBE-A5
Status Upgrade to A3 PRO On Sell On Sell On Sell On Sell On Sell On Sell On Sell
Type 2.0CH Tube Pre-amp 2.0CH Tube Pre-amp 2.0CH Tube Pre-amp 2.0CH Tube Pre-amp 2.0CH Tube Pre-amp 2.0CH Tube Pre-amp 2.0CH Tube Pre-amp 2.0CH Tube Amplifier
Bluetooth NO Bluetooth5.0 QCC Bluetooth5.0 QCC Bluetooth5.0 NO CSR Bluetooth4.2 QCC Bluetooth5.0 CSR Bluetooth4.2
Input RCA AUX,Bluetooth RCA,Bluetooth AUX,Bluetooth AUX,MM phono RCA,USB,AUX,Bluetooth RCA,Bluetooth RCA,Bluetooth
Bass&Treble control YES YES YES YES NO YES YES YES
Output Active speaker,Amp Active speaker,Amp Active speaker,Amp Active speaker,Amp Active speaker,Amp Active speaker,Amp,Headphone Active speaker,Amp Passive speaker,Headphone
Input voltage DC12V DC12V DC12V DC18-24V DC12V DC12V DC12V DC19V
Features 1.6J1 tube
2.with Bass&Treble control
3.NE5532P Dual op amp chip
Tube replaceable:(6J2.6K4.GE5654.6AK5.6Ж1п.)
1.6k4 tube
2.Bluetooth5.0
3.with Bass&Treble control
4.NE5532P Dual op amp chip
Tube replaceable:(6J1,6J2.6K4.GE5654.6AK5.6Ж1п.)
1.6J1 tube
2.QCC3003 Bluetooth5.0
3.with Bass&Treble control
Tube replaceable:(6J1,6J2.6K4.GE5654.6AK5.6Ж1п.)
Features:
1. Using original Beijing 6J1 electron tube.
2. The main filter capacitor is imported from the original 2200UF / 25V, and the coupling capacitor is imported from the Philips capacitor 1UF.
3. The resistor uses high-precision chip resistors to ensure a good signal-to-noise ratio for the whole machine.
4. The PCB adopts 1.6mm thick double-sided sheet, 2.0 oz copper thickness, and the whole process of spraying tin to ensure good current passing performance.
5. Input and output adopt gold-plated RCA lotus seat.
6. Bluetooth adopts Qualcomm QCC3008 Bluetooth 5.0 and supports APTX
1.6J2 tube
2.can connect MM phono input
3.JRC2068D Dual op amp chip
Tube replaceable:(6J1,6J2.6K4.GE5654.6AK5.6Ж1п.)
1.6K4 tube
2.CSR8635 Bluetooth4.2
3.can connect MM phono input
4.with HS100B usb Decode chip
5.TI 4pcs MC33078 Dual high-speed low noise chip
6.16-64Ωheadphone output
7.with remote switch input,Bass&Treble control
8.Built in tube,safety and beauty.
Tube replaceable:(6J1,6J2.6K4.GE5654.6AK5.6Ж1п.)
1.6J1 tube
2.QCC3008 Bluetooth5.0
3.with Bass&Treble control
4.JRC5532P Dual op amp chip
5.4pcs 250v22uf Filter capacitor
6.by QCC3008 Bluetooth 5.0 chip,Support APT-X Low delay input.classic.     
Tube replaceable:
(6J1,6J2.6K4.GE5654.6AK5.6Ж1п.)
1.CSR8635 Bluetooth4.2
2.with Bass&Treble control
3.with 16-64Ωheadphone output
4.6J4 TUBE Amplifier
4.50W*2
5.by Bluetooth CSR4.2 chip,Support APT-X Low delay input
Tube replaceable:(6J1,6J2.6K4.GE5654.6AK5.6Ж1п.)
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