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MODEL: DAD 1201

SPECIFICATIONS

DAD 1201 CLASS D Power Amplifier
class "D" technology
input voltage 11-14.4 VOC
frequency response 15Hz~150Hz
S/N ratio [A-weight] >95dB
input level 0.17V~8V
T.H.D. 0.05%
input impedance 10K ohm
low pass crossover variable frequency 50Hz~150Hz
crossover slope 12dB/oct
variable bass boost 0-18dB@45Hz
variable subsonic filter 10~40Hz 12dB/oct
remote subwoofer level control included
phase 0~180
°
quiet ON/OFF
lit logo Dragster
fuse rating 40A×4
overall dimensions 186×490×56 mm
Service Manual
- 1 -

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Summary of Contents for Dragster DAD 1201

  • Page 1: Specifications

    Service Manual MODEL: DAD 1201 SPECIFICATIONS DAD 1201 CLASS D Power Amplifier class “D” technology input voltage 11-14.4 VOC frequency response 15Hz~150Hz S/N ratio [A-weight] >95dB input level 0.17V~8V T.H.D. 0.05% input impedance 10K ohm low pass crossover variable frequency 50Hz~150Hz...
  • Page 2 To engineers in charge of repair or inspection of our products. Before repair or inspection, make sure to follow the instructions so that customers and Engineers in charge of repair or inspection can avoid suffering any risk or injury. 1. Use specified parts. The system uses parts with special safety features against fire and voltage.
  • Page 3: Exploded View

    EXPLODED VIEW - 3-...
  • Page 4: Circuit Diagram

    CIRCUIT DIAGRAM 1 DAD 1201 - 4 -...
  • Page 5 CIRCUIT DIAGRAM 2 DAD 1201 - 5 -...
  • Page 6 CIRCUIT DIAGRAM 3 DAD 1201 - 6 -...
  • Page 7 PRINTED CIRCUIT BOARD - 1 - 7 -...
  • Page 8 PRINTED CIRCUIT BOARD - 2 - 8 -...
  • Page 9 PRINTED CIRCUIT BOARD - 3 - 9 -...
  • Page 10 PRINTED CIRCUIT BOARD - 4 - 10 -...
  • Page 11 PRINTED CIRCUIT BOARD - 5 - 11 -...
  • Page 12 PRINTED CIRCUIT BOARD - 6 - 12 -...
  • Page 13: Parts List

    PARTS LIST - 1 t s i t s i t s i t s i t s i t s i t s i t s i C1 C11 C16 C37-38 C50-51 C103 C118-119 1C-E47625B50A1M E Cap 47UF/25V C126 C152 C156 - 13 -...
  • Page 14 PARTS LIST - 2 C4 C65-66 C8-10 C13 C15 C33-36 C42 C59-60 1C-R104A0X7035J M Cap 104J/100V C100 C105-106 Ø Ø 1R-LA000105B12A Resistor 0.01Ω Resistor 1Ω t s i t s i 1R-OA100X05BXXX Resistor 10Ω 1R-OA101X05BXXX Resistor 100Ω 1/8W R80-81 R83 R88 R101 R121 R201 1R-OA104X05BXXX Resistor 100K 1/8W R155 R104 R163 R194 R78 R103 R31-34 R42 R16-17 R74-75 R77 R79 R89 R96...
  • Page 15 PARTS LIST - 3 t s i t s i t s i t s i t s i R127 R131 R133 R140 R119-120 R111 R35 1R-OA203X05BXXX Resistor 20K 1/8W R73 R180-182 R213 R126 R218-219 R512 t s i t s i 1R-OA220X05BXXX Resistor 22Ω...
  • Page 16 PARTS LIST - 4 1R-FA220X05EXXX Resistor 22Ω t s i t s i 1R-FA530X05GXXX Resistor 53Ω t s i i t c i t c - 16 -...