Recent Orders
Linda
2019061605245262
United States Of America
Denis
2019061108061215
Germany
Remi
2019060800060945
Canada
Chun Yuan
2019060617123864
United States Of America
Antonino
2019050815111387
Italy
Denis
2019041611535554
Germany
Konstantin
2019032920272098
Austria
Stragiotti
2019032711135133
Switzerland
Steven
2019030402373521
Malaysia
Christer
2019022513375339
Sweden
Konstantin
2019022217285343
Austria
icard
2019021909475839
Mauritius
Konstantin
2019021619475356
Austria
Glen
2019020700454435
Australia
hjhj
2019020505370668
Germany
d
2019020116111652
Netherlands
Simon
2019013019141468
United States Of America
Arturs
2019011701090815
Latvia
Benjamin
2019010905120094
Australia
Sazali
2019010804322662
Singapore
HOME >> PRODUCTS >> HiFi A3 Fully symmetric double differential FET power amplifier board UPC1237 protection circuit Bey
HiFi A3 Fully symmetric double differential FET power amplifier board UPC1237 protection circuit Bey
Item ID:LJ-0063
List Price:US$38.13
Price:US$35.13
Payment Terms
paypal
Shipping
ship to world wide
Availability
in stock
Description
Product Q & A
Review
Bundle 1 : Finished No Heatsink ( Finished board )(USD35.13)
Bundle 2 : Only Heatsink x1PCS ( without all kit)(USD14.25)
Bundle 3 : Only PCB x1PCS (without all kit and heatsink )(USD9.48)
Specifications:
1 with a fully symmetrical double differential input structure, the input tube with
high-dedicated A42, A92 on the tube, and constant current source constant
operating point, the sound quality is very delicate, sound field is very good,
balanced atmosphere.
2 using PASS machine dedicated high-power FET IRFP240 IRFP9240 output,
sound closer to the tube, low frequency full of human voice moist
3 in the AC35X2 voltage, the maximum output of 100W 8 Europe, compared to
LM3886 68W-4 Europe 40W-8 Europe, the driving force is not a level, pay attention
to TDA7293 100W is 4 oh test. 8 Europe does not exceed 60W, even in the AC26,
the output can reach 80W 8 Europe.
Material introduction:
1 resistance for the Beijing copper feet 718 resistance, green capacitor for
the German ERO, more than the red WIMA more delicate, no burr
2 output tube for the PASS dedicated to the IRFP240 IRFP9240 input tube is
ON A42,92, this tube with the early morning on the machine has
been very good, the drive tube is Toshiba C5171 A1930
3 protection circuit for the Japanese Omron relay plus UPC1237,
ectifier bridge is three Ken 50A bridge
4 PCB is blue double sided gold plate
parameter:
PCB size: 150X100MM
Input voltage: AC16X2 to AC35X2
Amplifier Board
Items No:LJ-0080
Price:US$24.68
Amplifier Board
Items No:LJ-0063
Price:US$35.13
Amplifier Board
Items No:LJ-0061
Price:US$83.58
Amplifier Board
Items No:LJ-0059
Price:US$50.34