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Bill of Materials (BOM)

PCB Parts

Description

Qty

Amp1 PCB

Amp1 V1.1 Red PCB

R1, R2

1.1K

Ω

RESISTOR VISHAY/DALE

R3, R3L, R5, R5L, R6, R6L

3.01K

Ω

RESISTOR VISHAY/DALE

R4, R4L

100K

Ω

RESISTOR VISHAY/DALE

R7, R7L

10K

Ω

RESISTOR VISHAY/DALE

R8, R8L, R9, R9L

100

Ω

RESISTOR VISHAY/DALE

RLED

4.xK

Ω

METAL FILM

Dip1-Dip3 (IC2 – IC4 on PCB)

8 Pin Dip socket

C3, C6, C9, C10

0.1uF/63V MKT

SW1

Gain/input cap switch(top)

LED1

LED Green 3mm diffused

Con1

Power plug

Con2 – Con4

3.5mm headphone jack

Pot1

10K

Ω

Stereo Pot with Switch

IC1

TLE2426CLP Rail Splitter

C7, C8

10uF/25V Silmic II

C1, C2

1800uF/25V Panasonic FM

C4, C5

100uF/25-35V Silmic II

IC2

LM6171

IC3, IC4

LME49860(Optional LME49720HA)

Hardware

4-40 x 3/8” Screw

Board/Foot mounting hardware

1/8” Nylon Spacer

Board mounting hardware

#4 Lock Washer

Board mounting hardware

4-40 Nut

Board mounting hardware

4-40 x 1/4” Screw

Top/Bottom panel hardware

M8-1.25 x 12or16 Screw

Front/Back panel hardware

Foot Retainer (square nut)

Foot mounting hardware

Rubber Feet

Foot protector

4-40 Set Screw

Knob hardware

Enclosure

Bottom Panel

8 holes 0.050” thick

Side Extrusions

Left/Right side panels

Top Panel

4 holes w/Headphone logo 0.050”

Back Panel

Input/output/power logo 0.050”

Front Panel

RW Audio/Vol/Amp1 0.125”

Aluminum Feet

0.87” w/pocket for rubber foot

Smooth Knob

0.87” Smooth

Knurled Knob

0.87” Knurled

Power Supply

24v Regulated Wall Supply

Must be regulated 24v DC

Tools

1/16” Allen Key

For all 4-40 button head screws

0.050” Allen Key

For knob set screw

Above items appear in the order of recommended assembly within each category.

Содержание Amp1

Страница 1: ... required tools for assembly and testing a Soldering iron solder b Side cutter for trimming component leads c Allen keys 0 050 1 16 included 6mm not included d Hobby knife to trim LED holder e Cheap headphones for testing dollar store variety 3 Look over the entire assembly process to familiarize yourself with the steps BEFORE starting ...

Страница 2: ...40 x 3 8 Screw Board Foot mounting hardware 8 1 8 Nylon Spacer Board mounting hardware 4 4 Lock Washer Board mounting hardware 4 4 40 Nut Board mounting hardware 4 4 40 x 1 4 Screw Top Bottom panel hardware 8 M8 1 25 x 12or16 Screw Front Back panel hardware 4 Foot Retainer square nut Foot mounting hardware 4 Rubber Feet Foot protector 4 4 40 Set Screw Knob hardware 2 Enclosure Bottom Panel 8 holes...

Страница 3: ...kets Dip1 Dip3 onto the board in the IC2 IC4 locations the indent on the chip socket should match the indent shown on the board By installing all of this type of part before soldering the board will sit flat making the soldering process easier This also helps the components sit flush and tight to the board A piece of paper or card stock placed on top of the board works well to hold the parts in pl...

Страница 4: ...time It is a good idea to only solder one pad on each part at first then when all of these parts are secure confirm that each part is straight and tight to the board This is very important for proper fit to the front and rear panels 8 Install and solder IC1 C7 and C8 these are directional and must be installed as shown IC1 should sit a short distance above the board and sit straight on the board t...

Страница 5: ...ble check the solder side of the board for any poor solder connections solder bridges or parts not properly soldered to the board and fix as required The PCB is now complete Take a break and give yourself a pat on the back 12 Prepare the bottom panel as shown below Four 4 40x3 8 screws should be inserted through the inner 4 holes in the bottom panel Please note one side of the bottom panel may hav...

Страница 6: ... screws protruding through the board Do not over tighten This will compress the 1 8 spacers and possibly short out the board and miss align parts with the front rear panel holes 16 Place the two side panels about 2 inches apart and install four 4 40 x screws in the four outer holes securing the bottom panel to the sides Do not fully tighten these screws as it will allow some adjustment room for th...

Страница 7: ...ng the four remaining 4 40 x screws do not tighten 18 Install the back panel using two of the M8 screws do not tighten 19 Assemble the four amplifier feet as shown below do not tighten The square nut must be free to slide into the t slot on the bottom of the amplifier ...

Страница 8: ...ess the screw head into the pockets in the front panel as shown below There should be no gaps around these screws and the screws should not sit on the outer face of the front panel they should sink into the pockets 22 Now tighten all of the remaining screws holding the panels together in the order Top Front Bottom Back Do not over tighten the 4 40 Screws not a lot of force is required to hold them...

Страница 9: ...ll the set screw in the volume knob there are two knobs included in the kit allowing you to choose the look or feel you prefer With the screw still loose install the knob on the shaft of the pot the knob should not be pressed tight up against the face of the amp or the knob will bind when turning Instead leave a small gap between the two allowing smooth operation The amplifier is now complete Give...

Страница 10: ... assemble and test this amplifier please purchase the prebuilt version instead listed twice to make sure you are paying attention 29 If the test headphones sound good as good as they can sound anyways with no crackling distortion clicks pops and the volume control operates correctly you are finished 30 Connect your nice cans and enjoy your music of choice Amp1 will sound good right away but over 2...

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