Feature
A8 Amplifier:
Chipset: MA12070+NE5532
Maximum output power: 80W*2 (4Ω load)
Speaker impedance: 4-8Ω (left and right channels)
Signal to noise ratio: ≥100db
Distortion: <0.1 (when outputting 1W)
Input sensitivity: 1.4V
Frequency response: 20-20Khz (±3db)
Input mode: RCA
Support equipment: mobile phones, tablets, computers, MP3, TV, etc.
Output mode: passive speaker, active speaker/power amplifier/subwoofer
Power supply: DC15-24V
Size: 300*230*65mm
Steps:
1. Connect the audio source to be used to the corresponding input interface (can be connected to CD player, DAC decoder, mobile phone, TV, etc.).
2. Connect the passive speakers to be used to the speaker interface (red to black + black to-/ R to right speaker and L to left speaker).
3. Finally, connect the power supply (DC voltage must not be higher than 24V).
4. Turn on and turn the switch knob to select the desired volume.
5. After use, turn the switch knob to the left to shut down.
T8 Tube Preamp:
Product name:T8 Tube Preamplifier
PC-USB supports sampling rate: 96KHZ/24Bit
Distortion: RCA: 0.2%/HP: 0.003%
PC-USB support operating system: XP/W7/W8/W10/MAC/linux
Signal to noise ratio: RCA: 108dB/HP: 106dB
Headphone impedance matching: 16-300Ω
Working voltage: DC12V
Tube: 6N3 (support replacement of GE5657, 396A, 2c51, 12BA4, 5670, 6H3n)
Maximum output power: RCA: 1.9V/HP: 120mW@32Ω
Headphone amplifier chip: MAX9722
Bluetooth chip: QCC3031 Bluetooth 5.0 version, supports Qualcomm aptX and aptX HD audio
Operational amplifier chip: OPA1656
Decoding chip: ES9018K2M+CM6642
Input sensitivity: 2V
Frequency response: 20Hz-20kHz (±0.5dB)
Audio input: Bluetooth/ USB/ Optical/ Coaxial/ RCA
Audio output: 3.5mm Headphone output/ RCA(Active speaker / Amplifiers)
Size: 138*123*51MM
Maybe you also want DC 24V 4.5A Power Plugor DC12V power plug.
Package included:
A8 Amplifier or T8 tube preamp