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No. Part No.  Description  

Specification 

Remark  

123 RD00322 

SMD precise resistor 1/10W 

2.70K

 ±1% 0603 

R25 

124 RD00277 

SMD precise resistor 1/10W 

200

 ±1% 0603 

R15 

125 RD00219 

SMD precise resistor 1/10W 

20.0K

 ±1% 0603 

R80,R81,R82,R83,R84 

126 RD00203 

SMD precise resistor 1/10W 

2.00K

 ±1% 0603 

R10,R5,R6,R7,R8,R9 

127 RD00289 

SMD precise resistor 1/10W 

8.06K

 ±1% 0603 

R41,R56 

128 RD00286 

SMD precise resistor 1/10W 

4.53K

 ±1% 0603 

R45 

129 RD00339 

SMD precise resistor 1/10W 

47.0K

 ±1% 0603 

R2,R21,R22 

130 RD00371 

SMD precise resistor 1/10W 

51.1K

 ±1% 0603 

R66,R68,R69,R70 

131 RD00365 

SMD precise resistor 1/10W 

5.62K

 ±1% 0603 

R39,R40 

132 RD00360 

SMD precise resistor 1/10W 

121

 ±1% 0603 

R63 

133 RD00368 

SMD precise resistor 1/10W 

16.5K

 ±1% 0603 

R53 

134 RD00329 

SMD precise resistor 1/10W 

30.0K

 ±1% 0603 

R19 

135 RD00331 

SMD precise resistor 1/10W 

330K

 ±1% 0603 

R74 

136 RD00330 

SMD precise resistor 1/10W 

39.0K

 ±1% 0603 

R24 

137 RD00364 

SMD precise resistor 1/10W 

4.02K

 ±1% 0603 

R2,R86 

138 RD00324 

SMD precise resistor 1/10W 

4.12K

 ±1% 0603 

R26,R27 

139 RD00279 

SMD precise resistor 1/10W 

402

 ±1% 0603 

R14 

140 RD00210 

SMD precise resistor 1/10W 

5.11K

 ±1% 0603 

R42,R43,R44,R46,R47,R48,R49,R50,R54,R72 

141 RD00299 

SMD precise resistor 1/10W 

5.76K

 ±1% 0603 

R73,R90,R91 

142 RD00300 

SMD precise resistor 1/10W 

6.04K

 ±1% 0603 

R76 

143 RD00287 

SMD precise resistor 1/10W 

6.34K

 ±1% 0603 

R75,R78,R79 

144 RD00326 

SMD precise resistor 1/10W 

6.80K

 ±1% 0603 

R35,R36 

145 RD00332 

SMD precise resistor 1/10W 

680

 ±1% 0603 

R13 

146 RD00327 

SMD precise resistor 1/10W 

8.20K

 ±1% 0603 

R28,R29 

147 RD00328 

SMD precise resistor 1/10W 

8.66K

 ±1% 0603 

R3 

148 RD00281 

SMD precise resistor 1/10W 

806

 ±1% 0603 

R30 

149 RD00362 

SMD precise resistor 1/10W 

953

 ±1% 0603 

R12 

150 RD00321 

SMD precise resistor 1/10W 

1.20K

 ±1% 0603 

R11 

151 RD00201 

SMD precise resistor 1/10W 

1.50K

 ±1% 0603 

R77 

152 RD00274 

SMD precise resistor 1/10W 

100

 ±1% 0603 

R16,R62,R71 

153 RD00214 

SMD precise resistor 1/10W 

10.0K

 ±1% 0603 

R51,R52,R57,R58,R59,R60 

154 RD00275 

SMD precise resistor 1/10W 

110

 ±1% 0603 

R37 

155 RD00301 

SMD precise resistor 1/10W 

12.1K

 ±1% 0603 

R55 

156 RD00216 

SMD precise resistor 1/10W 

13.3K

 ±1% 0603 

R1 

157 RD00217 

SMD precise resistor 1/10W 

14.0K

 ±1% 0603 

R31,R32,R33,R34 

158 RD00200 

SMD precise resistor 1/10W 

150

 ±1% 0603 

R61,R64,R65 

159 RD00370 

SMD precise resistor 1/10W 

33.2K

 ±1% 0603 

R67 

160 RD00323 

SMD precise resistor 1/10W 

3.09K

 ±1% 0603 

R85,R87,R88,R89 

161 CI00115 

SMD ceramic capacitor 0603 

390PF/50V NPO ±5% 

C67 

162 CI00064  SMD ceramic capacitor  680PF/50V NPO ±5

 C58 

163 CI00059  SMD ceramic capacitor  100PF/50V NPO ±5% 

C32,C33,C34 

164  SG00001  SMD integrated circuit 

TL074CDT 

U1,U2,U3,U4,U5 

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Summary of Contents for ALTO-Q

Page 1: ...www altoproaudio com Version 1 0 MODEL ALTO Q...

Page 2: ...CONTENT 1 Introduction 1 2 Specification 2 3 Block Diagram 3 4 Schematic Diagram 4 5 Wiring Diagram 6 6 Printed Circuit Board 7 7 Exploded View Mechanical Parts List 8 8 Electrical Parts List 10...

Page 3: ...nsparent audio performance Precision state variable filters with constant Q principle ensure absolutely stable filter characteristics High and low cut filters remove unwanted frequencies e g floor rum...

Page 4: ...alanced and Unbalanced 18dBV 55dB 1kHz XLR and 1 4 JACK Balanced 60Ohm Unbalanced 30Ohm 18dBV 18Hz to 30kHz at 3dBV 0 02 typ 1kHz 4dBu 0 04 typ 1kHz 10dBu 0 01 typ 92dBr unweighted 22Hz to 22kHz 18Hz...

Page 5: ...L I O METER VU BAND 1 BAND 2 BAND 3 BAND 4 BAND 5 BANDWITCH FREQUENCY LEVEL IN OUT FUSE 115V 0 7815 7915 15V 15V OUTPUT 230V BANDWITCH FREQUENCY LEVEL IN OUT BANDWITCH FREQUENCY LEVEL IN OUT BANDWITCH...

Page 6: ...1 C37 0 01UF100V R61 150N1 1 2 3 VR2 A100K R51 10K1 R66 51 1K1 R52 10K1 C40 20PF R6 2K1 C6 47UF25V R85 3 09K1 R80 20K1 1 2 3 P SW1A SW PS 22E85L A B C C50 0 047UF100V C51 0 047UF100V C55 0 15UF63V C56...

Page 7: ...558 8 4 U3C 4558 15v 15v C13 10UF50V C21 10UF50V R12 R 1 4W 100N 15v 15v 3 2 1 U4A 4558 5 6 7 U4B 4558 C22 47UF25V R19 R 1 4W 0N R20 R 1 4W 0N 8 4 U4C 4558 IN IN GND GND OUT OUT U1 7815 GND GND IN IN...

Page 8: ...1 2 3 4 A B C D 4 3 2 1 D C B A FUSE POWER SW 0 CN2 CN3 P ALTO Q PU CN1 CN1 P ALTO Q FP PL 150V 230V 5 Wiring Diagram 6...

Page 9: ...6 Printed Circuit Board 7...

Page 10: ...7 Exploded View Mechanical Parts List 8...

Page 11: ...SCB13 Black plated screw 3 6 pan head 15 14 HSWA13 Power supply SW SDDLB 1007U 1 15 TP4042 transformer PT CLE40 1 16 MSCC40 screw 4 30 pill 1 17 MFSC02 washer 4 12 1t 1 18 MFSS04 Spring washer 4 7 1t...

Page 12: ...MB02295 rear board ALTO Q 20 MJ00058 single light board 1 2135 1220 20 45kg 21 MC00209 top cover CLE2 0 22 MC00207 top cover CLE2 0 23 MC00208 top cover CLE2 0_V1 2 24 MJ00059 single light board 1 2 2...

Page 13: ...green yellow 59 MJ00344 solder plate AMP 60 HA00861 power cord Europe 3P LT 312 LT 501 61 NI00240 sleeve 2 5 10mm 62 NI00239 sleeve 2 5 1000mm 63 NI00252 sleeve 4 20mm 64 NI00248 sleeve 4 1000mm 65 N...

Page 14: ...ylar capacitor 0 01uF 100V 3 C36 C37 C38 C39 106 CC00029 mylar capacitor 0 027uF 100V 3 C61 C62 107 CC00035 mylar capacitor 0 047uF 100V 3 C50 C51 108 CF00036 metal film capacitor MSC 0 15uF 63V C55 C...

Page 15: ...76K 1 0603 R73 R90 R91 142 RD00300 SMD precise resistor 1 10W 6 04K 1 0603 R76 143 RD00287 SMD precise resistor 1 10W 6 34K 1 0603 R75 R78 R79 144 RD00326 SMD precise resistor 1 10W 6 80K 1 0603 R35...

Page 16: ...181 RA00628 precise resistor 1 4W 5 76 M type R15 182 RA00629 precise resistor 1 4W 6 04K M type R7 183 RA00452 precise resistor 1 4W 100 M type R12 184 RA00711 precise resistor 1 4W 60 4 M type R10 R...

Page 17: ...le 8P 2 5mm 180 CN1 195 HC00076 connector male 2P 2 5mm 180 CN3 196 HC00172 connector male 3P 3 96mm 180 CN2 197 CA00052 ceramic capacitor 0 1uF SL C12 C14 C15 C16 C17 C18 C19 C8 198 CA00023 ceramic c...

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