Related Manuals for Alto aMictube
Summary of Contents for Alto aMictube
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Page 1: Service Manual
Service Manual Model: aMICTUBE STEREO TUBE PREAMP www.altoproaudio.com Version: 1.1... -
Page 2: Table Of Contents
CONTENTS 1. Specification… … … … … … … … … … … … … … … … . 1 2. Block Diagram… … … … … … … … … … .… … … … … 3. Schematic Diagram..… … … … … … … … … … ..… … . 3 4. -
Page 3: Specification
1.Specifications Input XLR Impedance 5K Ohm 1/4” High Z 1M Ohm Connectors Neutrik Combo Output XLR Balanced 100 Ohm 1/4” Unbalanced 100 Ohm Panel Controls Tube Drive 0dB to +40dB Gain 0dB to +30dB Phase Reverse 20 dB Pad +48V Phantom Power Performance THD+Noise <0.5%... -
Page 4: Block Diagram
2.Block Diagram... -
Page 5: Schematic Diagram
CN9-15 CN9-16 ( PHASE ) VR4A C1K2P R45 100R CN9-10 CN9-12 47K5 CN9-14 CN9-11 100R CN9-13 Titel ALTO Mobile : ALPHAMICtube FRONT PANEL BOARD Size Model No: Revision ALPHAMICtube VER020307 Date: 7-Mar-2002 Sheet 1 of AMTUBEFP.Sch File: Drawn By: C.C.LIN... - Page 6 CN2-13 CN2-14 CN2-15 CN2-16 FrontPanel AMtubeFP.sch HR=MMBT3906LT1 / 2SA1036K(R) Titel NOTE: 1. H2 = Zener Diode MMSZ5242BT1 ALTO Mobile : ALPHAMICtube MAIN BOARD 2. LOW BUMP ON C9,C12,C39,C42=104P R21,R32=4K99 R73,R28=200K 3. LOW BUMP OFF C9,C39,R21,R66 =0R OMIT:C12,C42,R28,R32,R73,R77 Size Model No:...
- Page 7 LM7812CT (AC 18V) +15V +12V M104P M104P 1N4004 2200/25V 47/25VZ 47/25VZ 1000/25V 47/25VZ M104P 1N4004 Titel ALTO Mobile : ALPHAMICtube REAR BOARD -15V Size Model No: Revision LM7915CT ALPHAMICtube VER020225 7-Mar-2002 Date: Sheet 1 of AMTUBEPU.Sch File: Drawn By: C.C.LIN...
- Page 8 4.Printed Circuit Diagram AMTUBEFP Top Solder Mask AMTUBEFP Top Layer AMTUBEFP Bottom Solder Mask AMTUBEFP Bottom Layer AMTUBEFP Drill Drawing --------------------------------------------------------------------------- NCDrill File Report For: AMTUBEFP.PCB 9-May-2002 16:26:29 --------------------------------------------------------------------------- Layer Pair : TopLayer to BottomLayer AMTUBEFP Top Scilkscreen ASCII File : NCDrillOutput.TXT EIA File : NCDrillOutput.DRL Tool...
- Page 10 AMTUBEMN Top Layer AMTUBEMN Bottom Layer AMTUBEMN Top Solder Mask AMTUBEMN Bottom Solder Mask...
- Page 11 --------------------------------------------------------------------------- NCDrill File Report For: AMTUBEMN.PCB 9-May-2002 18:22:27 --------------------------------------------------------------------------- AMTUBEMN Top Scilkscreen Layer Pair : TopLayer to BottomLayer ASCII File : NCDrillOutput.TXT EIA File : NCDrillOutput.DRL Tool Hole Size Hole Count Plated Tool Travel --------------------------------------------------------------------------- 24mil (0.6096mm) 26.73 Inch (678.84 mm) 31mil (0.7874mm) 20.77 Inch (527.61 mm) 35mil (0.889mm)
- Page 13 AMTUBEPU Top Layer AMTUBEPU Bottom Layer AMTUBEPU Top Solder Mask AMTUBEPU Bottom Solder Mask...
- Page 14 --------------------------------------------------------------------------- NCDrill File Report For: AMTUBEPU.PCB 9-Mar-2002 18:30:07 AMTUBEPU Top Scilkscreen --------------------------------------------------------------------------- Layer Pair : TopLayer to BottomLayer ASCII File : NCDrillOutput.TXT EIA File : NCDrillOutput.DRL Tool Hole Size Hole Count Plated Tool Travel --------------------------------------------------------------------------- 24mil (0.6096mm) 6.10 Inch (155.01 mm) 28mil (0.7112mm) 10.41 Inch (264.49 mm) 31mil (0.7874mm)
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Page 20: Test Procedure
Test Procedures(aMICTUBE) Required Equipment Audio Precision System 2 with APWin software 100MHz oscilloscope connected to APS2 Analyzer Signal Monitor output (Ch. A and Ch. B) Connection Mode Use Audio Precision System 2 analog unbalanced (XLR) inputs/output 11.1... - Page 21 Test Procedures for aMICTUBE Amplitude response test On PC: -Load file:amictube_amplitude(APWin File menu / Open / Test) Test Connections: -Output A of Audio Precision System Two ? CH1 input of the device under test. -Output B of Audio Precision System Two ? CH2 input of the device under test.
- Page 22 Page 1 of 1 aMICTUBE-ALTO-230V-法國 2002/10/26 Structure Needing Material Detail List 建檔日: 2002/05/24 修正日: 2002/08/16 Midprod NO Quanity Unit A-aMICTUBE-ALTO-230V-法國 1.000 A-aMICTUBE 底板組合 1.000 P-aMTUBEFP-SMD 1.000 P-aMTUBEFP-DIP 1.000 P-aMICSKT-DIP 1.000 P-aMTUBEMN-SMD 1.000 P-aMTUBEMN-DIP 1.000 P-aMTUBEPU-SMD 1.000 P-aMTUBEPU-DIP 1.000...
- Page 23 2002/10/26 Page 1 of 2 Item No: aMICTUBE specify: Mid No: A-aMICTUBE-ALTO-230V-法國 standard quantity: 1.000 Quanity Unit Material No Item Name Specific 1 MFRZ08ZZ panel(white) aMICTUBE 1.000 MARK: 2 MTPZ02ZZ top cover(black) aVERB 1.000 MARK: 3 MBKZ02ZZ rear board aMICTUBE 1.000...
- Page 24 2002/10/26 Page 2 of 2 Item No: aMICTUBE specify: Mid No: A-aMICTUBE-ALTO-230V-法國 standard quantity: 1.000 Quanity Unit Material No Item Name Specific 29 NMLH31 label MADE IN P.R.C. 2.000 MARK: 30 MI00943 bracket aMICTUBE L 2.000 MARK: 31 MST003 R.S nut...
- Page 25 2002/10/26 Page 1 of 1 Item No: aMICTUBE specify: Mid No: A-aMICTUBE 底板組合 standard quantity: 1.000 Quanity Unit Material No Item Name Specific 1 MBTZ05ZZ bottom board(black) aMICTUBE 1.000 MARK: 2 MMC014 iron pillar hexagon 6.35*M3*9.2 1.000 MARK: 3 MMC010 2.000...
- Page 26 2002/10/26 Page 1 of 1 Item No: aMICTUBE specify: Mid No: P-aMTUBEFP-SMD standard quantity: 1.000 Quanity Unit Material No Item Name Specific 1 NPC0115 AMTUBEFP+AMICSKT(1*4)_VER020430 1.000 MARK: 2 RPCA0100 SMD 1/10W precise resistor 100Ω ±1% 0603 10.000 MARK: R...
- Page 27 2002/10/26 Page 1 of 1 Item No: aMICTUBE specify: Mid No: P-aMTUBEFP-DIP standard quantity: 1.000 Quanity Unit Material No Item Name Specific 1 RFB047S 1/4W fixed resistor 47Ω S type 1.000 MARK: R 2 RFB110S 1/4W fixed resistor 100Ω S type 2.000...
- Page 28 2002/10/26 Page 1 of 1 Item No: aMICTUBE specify: Mid No: P-aMICSKT-DIP standard quantity: 1.000 Quanity Unit Material No Item Name Specific 1 RPB2100S 1/4W precise resistor 10.0KΩ S type 2.000 MARK: R 120 121 2 RFA010S 1/2W fixed resistor 10Ω...
- Page 29 2002/10/26 Page 1 of 1 Item No: aMICTUBE specify: Mid No: P-aMTUBEMN-SMD standard quantity: 1.000 Quanity Unit Material No Item Name Specific 1 NPC0116 AMTUBEMN(1*4)_VER020430 1.000 MARK: 2 RPCAG100 SMD 1/10W precise resistor 10.0Ω ±1% 0603 4.000 MARK: R...
- Page 30 2002/10/26 Page 1 of 1 Item No: aMICTUBE specify: Mid No: P-aMTUBEMN-DIP standard quantity: 1.000 Quanity Unit Material No Item Name Specific 1 RPB0169S 1/4W precise resistor 169Ω S type 2.000 MARK: R 2 CE610F electrotytic capacitor 10uF/35V 105℃ φ4*7 12.000...
- Page 31 2002/10/26 Page 1 of 1 Item No: aMICTUBE specify: Mid No: P-aMTUBEPU-SMD standard quantity: 1.000 Quanity Unit Material No Item Name Specific 1 NPC0117 AMTUBEPU(1*4)_VER020310 1.000 MARK: 2 RPCAG511 SMD 1/10W precise resistor 51.1Ω ±1% 0603 2.000 MARK: R...
- Page 32 2002/10/26 Page 1 of 1 Item No: aMICTUBE specify: Mid No: P-aMTUBEPU-DIP standard quantity: 1.000 Quanity Unit Material No Item Name Specific 1 RFB115S 1/4W fixed resistor 150Ω S type 1.000 MARK: R 2 RFB310S 1/4W fixed resistor 10KΩ S type 1.000...
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Page 33: Exploded Views
8.Exploded Views...
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