Home>>News

Product Specification For BL250.1

2020-02-25

BL250.1 Full Range Class D  1CH*250W@4 ohms
DISTORTION        0.2 %   (<0.5%) 20℃  At  100  Hz  1W
OUTPUT POWER RMS 260W AT 4ohm  1% THD  14.4V
OUTPUT POWER RMS 320W AT 4ohm  1% THD  14.4V
S/N  RATIO 90db AT  RMS  OUTPUT 14.4V
Frequency Range   20   ~  180 ±10%  Hz AT  1W  1ohm
Low level input sense 90MV AT  RMS  1ohm 1CH Input
High level input sense
2v AT  RMS  1ohm 1CH Input
Low level Impedance 100K
...(Please read more from below)...

Amplifier General Specification

Item Test specification Test condition
1 DISTORTION        0.2 %   (<0.5%) 20℃  At  100  Hz  1W
2 OUTPUT POWER RMS 260W AT 4ohm  1% THD  14.4V
  OUTPUT POWER RMS 320W AT 4ohm  1% THD  14.4V
3 S/N  RATIO 90db AT  RMS  OUTPUT 14.4V
4 Frequency Range   20   ~  180 ±10%  Hz AT  1W  1ohm
5 Low level input sense 90MV AT  RMS  1ohm 1CH Input
6 High level input sense
 
2v AT  RMS  1ohm 1CH Input
7 Low level Impedance 100K  
 
8 PROTECTION 70   ±5% ℃ OVER TEMPERATURE
9 OK OUTPUT SHORT
10 OK high-low voltage OVER
11 OK DCP
12 RESIDUAL NOISE   10mV  (<15mV) NO INPUT
13 RISE TIME 3S  
14 P.W.M  FREQUENCY  36   ±1% KHz 14.4V
15 SUB  SONIC 10HZ-50HZ  
16 LPF 40HZ-180HZ  
17 BASS  BOOST 0DB-12DB  
18 CURRENT  STANDBY  1mA   (<10mA) REM  OFF
19 CURRENT  RMS 40A AT 1ohm  14.4V
20 LOAD TEST TEST CONDITION Rated power 100 HOUR AFTER TEST MEET ITEM 2
21 HEAT TEST 70℃ 20-25%RH. 100 HOUR AFTER TEST MEET ITEM 1216
22 HUMIDITY TEST NA
23 DROP TEST                           NA
24 WEIGHT        NA 1pc  gift box
25 Power amplifier tube IRF640N  
26 The power tube         IRF3205  
27 PCB SIZE 183X120.4MM  
28 Inductance coil specification 23  
29 Capacitance specifications 3300UF/63V    ф26x26H  
30 Fuse specification 25A*2  
31 RCA specification 27Hx27  
32 Specification of fuselage screw     Ф3x8  
MECHANICAL DESIGNES:
OPTION#1: White spray paint heatsink with two black sides trim
OPTION#2: Black spray paint heatsink with two black sides trim