Hifi 1500W Powerful Assembled Mono Amp Board with 28 Tubes 14xTTC5200 14xTTA1943

Description:

 

1500W powerful amplifier board with 28 tubes (14pcs TTC5200 + 14pcs TTA1943 )

This is finished board,no need solder it.

Entered using IC JRC5532D, power output using 12 pcs TTC5200 and 12pcs TTA1943,slurcocks using 2 pcs TTC5200 and 2pcs TTA1943.

Voltage: DC Dual 28-135V, recommended DC dual 110V. > 900W
Technical parameters:Output Power --- 8: 1500W
Frequency Response: +0 dB/-0.8dB (20Hz ~ 20KHz)
Total harmonic distortion: <0.5% 8 20Hz ~ 20KHz
SNR: (20Hz - 20KHz): A-weighted, full power output> 98dB
Bear instantaneous response: 25V/S
Damping 8: 10Hz-400Hz:> 200
Crosstalk between channels: 1kHz: -76 dB / 20kHz:-58dB
Input impedance: 20K (Balanced) / 10K (Unbalanced)
Input Sensitivity: 1.25V/4 rated power
Input Voltage:DC+/-28---+/-135V (recommend DC+/-110V)
PCB size: slurcock:143 x 78mm, amp board: 305 x 78mm
Protection power supply.DC 12-15V

Please add suitable heat sink for cooling. For long time working time,please add fan.
This board will be tested well before shipment.

Package:

1x Hifi 1500W Powerful Stage Mono Amplifier Board with 28 tubes (14pcs TTC5200 14pcs TTA1943,no heatsink)