Table of Contents
Advertisement
Quick Links
UM_2005_PL88_2005_092929
User manual for MERUS™ MA12070 musical
instrument bass amplifier
DEMO_BASSAMP_60W_MA12070
About this document
Scope and purpose
This document describes the functional setup and user guide for the MA12070 musical instrument bass
amplifier. It includes a description of features, performance specification, schematics, PCB layout and bill of
materials (BOM) of the amplifier.
Intended audience
This user manual is for audio amplifier design engineers, audio system engineers, audio software engineers and
musicians interested in technology.
Table of contents
About this document ....................................................................................................................... 1
Table of contents ............................................................................................................................ 1
1
Board overview ...................................................................................................................... 2
1.1
Features and performance...................................................................................................................... 3
2
User interface ........................................................................................................................ 4
2.1
User controls ........................................................................................................................................... 4
2.2
Setting up the amplifier for use .............................................................................................................. 6
3
Hardware documentation ....................................................................................................... 7
3.1
Schematic ................................................................................................................................................ 7
3.2
PCB ........................................................................................................................................................... 8
4
BOM ..................................................................................................................................... 10
5
Revision history .................................................................................................................... 12
User Manual
www.infineon.com/demo-bassamp-60w-ma12070
Please read the Important Notice and Warnings at the end of this document
page 1 of 13
V 1.0
2020-05-28
Advertisement
Table of Contents
Related Manuals for Infineon MERUS MA12070
Summary of Contents for Infineon MERUS MA12070
-
Page 1: Table Of Contents
Hardware documentation ....................... 7 Schematic ..............................7 PCB ................................8 BOM ............................. 10 Revision history ........................12 User Manual Please read the Important Notice and Warnings at the end of this document V 1.0 www.infineon.com/demo-bassamp-60w-ma12070 page 1 of 13 2020-05-28... -
Page 2: Board Overview
The MA12070 musical instrument bass amplifier is a wall-adapter or battery-powered, 60 W, professionally featured and ultraefficient pocket-sized bass instrument amplifier. It is modeled after classic vacuum-tube bass amplifier topology. It utilizes the exceptional audio quality and best-in-class efficiency of Infineon’s MERUS amplifier technology... -
Page 3: Features And Performance
User manual for MERUS™ MA12070 musical instrument bass amplifier DEMO_BASSAMP_60W_MA12070 Board overview Features and performance The key features and performance of the MA12070 musical instrument bass amplifier are as follows: One “classic tube sound” bass instrument channel 1 x 60 W at 4 Ω speaker output. ... -
Page 4: User Interface
User manual for MERUS™ MA12070 musical instrument bass amplifier DEMO_BASSAMP_60W_MA12070 User interface User interface User controls Figure 3 User controls overview Table 2 User controls description Front of PCB (left to right): 1. INPUT: Instrument input jack Connect a shielded ¼ in. mono jack cable from the instrument to this jack. - Page 5 User manual for MERUS™ MA12070 musical instrument bass amplifier DEMO_BASSAMP_60W_MA12070 User interface 6. MID: Middle tone control Adjusts the insertion level of the Baxandall tone control. Perceived as boosting or cutting mid-range frequencies compared to treble and bass frequencies. Set to middle position yields ±14 dB of range of the treble control, and ±12 dB range for the bass control.
-
Page 6: Setting Up The Amplifier For Use
User manual for MERUS™ MA12070 musical instrument bass amplifier DEMO_BASSAMP_60W_MA12070 User interface Setting up the amplifier for use 1. Put the on/off switch (10) in the depressed position (off). 2. Set all the controls at 12’o clock. Set the volume control (8) to minimum. 3. -
Page 7: Hardware Documentation
User manual for MERUS™ MA12070 musical instrument bass amplifier DEMO_BASSAMP_60W_MA12070 Hardware documentation Hardware documentation Schematic Figure 4 Schematic User Manual 7 of 13 V 1.0 2020-05-28... -
Page 8: Pcb
User manual for MERUS™ MA12070 musical instrument bass amplifier DEMO_BASSAMP_60W_MA12070 Hardware documentation Top side Bottom side Placement Figure 5 Main PCB layout User Manual 8 of 13 V 1.0 2020-05-28... - Page 9 User manual for MERUS™ MA12070 musical instrument bass amplifier DEMO_BASSAMP_60W_MA12070 Hardware documentation Top side Bottom side Placement Figure 6 Tube PCB layout User Manual 9 of 13 V 1.0 2020-05-28...
-
Page 10: Bom
User manual for MERUS™ MA12070 musical instrument bass amplifier DEMO_BASSAMP_60W_MA12070 Table 3 MA12070 musical instrument bass amplifier BOM Designator Description Manufacturer Part number Electrolytic capacitor, FK series, 100 EEEFK1V101P Panasonic µF, 35 V, 8 x 10 mm Electrolytic capacitor, FK series, EEUFR1V102B Panasonic 1000 µF, 35 V, 12.5 x 20 mm... - Page 11 Murata Power inductor, 1.5 µH, 7.3 A, 8 x 8 L3,L4 1267AY-1R5N=P3 Murata BAS3010A03WE6327HT Schottky diode, BAS3010, 30 V, 1 A, Infineon SOD-323 HLMP-3301 LED, red, 5 mm, TH, T1-3/4 Broadcom BJT, NPN, BC847C, 45 V, 100 mA, BC847CE6327HTSA1 Infineon SOT-23 Buck controller, adjustable, 45 V, 1.8...
-
Page 12: Revision History
User manual for MERUS™ MA12070 musical instrument bass amplifier DEMO_BASSAMP_60W_MA12070 Revision history Revision history Document Date of release Description of changes version V 1.0 28-05-2020 First release User Manual 12 of 13 V 1.0 2020-05-28... - Page 13 Infineon Technologies hereby disclaims dangerous substances. For information on the types © 2020 Infineon Technologies AG. any and all warranties and liabilities of any kind in question please contact your nearest Infineon All Rights Reserved. (including without limitation warranties of non- Technologies office.