High Quality Alum. Chassis for Pro DIY
High Quality Alum. Chassis for Pro DIY

High grade Alum. chassis

PRAL-443510BW

PRAL-43339L black

PRAL-43339L nature
PRAL-43339L Rear Panel

PRAL-43339L pwr3

PRAL-43339L xlr19
Option for silver face panel and black body

PRAL-43348

PRAL-443510BW All Alum. Chassis for Pre. amp. 
Overall size: 43.8cm(W) x 35.5cm(D) x 10.4 cm(H)

Face Panel: 43.8cm (W)x 10.4 cm(H)

Thickness: side board(10mm)/front board at 12
mm, top/bottom board at 3mm/5mm

Pre- cutout/hole:
- Front Input Select and volume control, recess of 4 m
m Depth. x 50mm(Dia.)
- Led hole: 3mm dia

Finish: hair brushed in anodized plating, top & bottom in black, face panel in light grey finish.
net weight: 6.5kgs

Optional:
for back panel pre-cutout/hole;
Back panel flat, no hole(rflat)


PRAL-43339L All Alum. Chassis for Pre. amp. 
Overall size: 43cm(W) x 33cm(D) x 9 cm(H)

Face Panel: 43cm (W)x 9 cm(H)

Thickness: side board/front board at 8mm, top/bottom board at 5mm/3mm

Pre- cutout/hole:
- Front Input Select and volume control, recess of 6 m
m Depth. x 52mm(Dia.)
- Led hole: 3mm dia

Finish: hair brushed in anodized plating in black , natural and face panel in natural / body in black finish
net weight: 5.2 kgs

Optional:
for Face Panel ;
Face Panel falt, no hole(fflat)

for Back Panel Pre-cutout/hole;

Back Panel flat, no hole(rflat)
Back Panel Pre-cutout/hole(rca9)
- INPUT: 4 hole or 2 sets for inputs(11.8mm dia)

- OUTPUT: 2 hole for Pre. out(11.8mm dia)
- Power socket:of 28 x 20 mm cut out , with 2 fixxing screw hole
-
Power Switch cutout:of 14 x 20.5 mm cut out, for snap-in type
- fuse hole in 16mm dia.


Back Panel Pre-cutout/hole(pwr3)
- Power socket:of 28 x 20 mm cut out , with 2 fixxing screw hole
-
Power Switch cutout:of 14 x 20.5 mm cut out, for snap-in type
- fuse hole in 16mm dia.


Back Panel Pre-cutout/hole(xlr19)
- INPUT: 8 hole or 4 sets for inputs(11.8mm dia)

- OUTPUT: 4 hole for Pre. out(11.8mm dia)
- XLR: 4 hole of 23.2mm dia.
- Power socket:of 28 x 20 mm cut out , with 2 fixxing screw h*ole
-
Power Switch cutout:of 14 x 20.5 mm cut out, for snap-in type
- fuse hole in 16mm dia.


PRAL-433312L All Alum. Chassis for Pre. amp. 
--ditto -- front panel and back panel option same as PRAL-43339L but height in 12 cm(H)
Overall size: 43cm(W) x 33cm(D) x 12 cm(H)
Face Panel: 43cm (W)x 12 cm(H)

PRAL-43348 All Alum. Chassis for Pre. ampNew
Overall size: 43cm(W) x 34cm(D) x 8 cm(H)

Face Panel: 43.4cm (W)x 8 cm(H)

Thickness: side board/front board at 12mm, top and bottom board at 3mm

Back panel recessed of 9mm, leave 3mm thickness for plug mounting and hole drill.

Optional:
All falt, no hole(fflat)

Back Panel Pre-cutout/hole(pwr3)
- Power socket:of 28 x 20 mm cut out , with 2 fixxing screw hole
-
Power Switch cutout:of 14 x 20.5 mm cut out, for snap-in type
- fuse hole in 16mm dia.

Finish: hair brushed in anodized plating in black , natural
net weight: 6.25 kgs

 








PRAL-30397S nature

PRAL-30397S pwr3

PRAL-30397S

 

PRAL-30397S All Alum. Chassis for Pre. amp. 
Overall size: 30cm(W) x 39cm(D) x 7 cm(H)

Face Panel: 30cm (W)x 7 cm(H)

Thickness: side board/front board at 8mm, top/bottom board at 5mm/3mm

Pre- cutout/hole:
- Front Input Select and volume control, recess of
5.5mm D. x 31mm(Dia.)
- Led hole: 3mm dia

Finish: hair brushed in anodized plating in black and natural finish
net weight: 4.1 kgs

Optional:
for Back Panel Pre-cutout/hole;
Back Panel Pre-cutout/hole(rca9)
- INPUT: 4 hole or 2 sets for inputs(11.8mm dia)

- OUTPUT: 2 hole for Pre. out(11.8mm dia)
- Power socket:of 28 x 20 mm cut out , with 2 fixxing screw hole
-
Power Switch cutout:of 14 x 20.5 mm cut out, for snap-in type
- fuse hole in 16mm dia.


Back Panel Pre-cutout/hole(pwr3)
- Power socket:of 28 x 20 mm cut out , with 2 fixxing screw hole
-
Power Switch cutout:of 14 x 20.5 mm cut out, for snap-in type
- fuse hole in 16mm dia.


Back Panel Pre-cutout/hole,(flat, no hole)

High grade chassis for amp.

15307C black
15307C natural

PRAL-15307C All Alum. Chassis for Power. 
Overall size: 15.5cm(W) x 30.5cm(D) x 7 cm(H)

Face Panel(curve): 30.5cm (W)x 7 cm(H), radian in edge at 5mm and middle point at 11mm in thickness

Thickness: side board/rear board at 12mm, top/bottom board at 5mm

Pre- cutout/hole:
- Led hole: 3mm dia

Back Panel Pre-cutout/hole;
- Power socket:of 28 x 20 mm cut out , with 2 fixing screw hole, print in "AC110V, AC220V"
-
Power Switch cutout:of 14 x 20.5 mm, for snap-in type
- fuse hole in 13mm dia.

Finish: hair brushed in anodized plating, in black and natural finish
net weight: 2.84 kgs

Shipped with following parts;
- 1 pc of ST/SM Swiss Schurter male Power socket
- 1pc of BSFH-rh American BUSS fuse socket
- 1pc of SCH1552-16A Schurter rock switch

pral-203010r

PRAL-20309r Oblong All Alum. Chassis 
Overall size: 20cm(W) x 30cm(D) x 9 cm(H)

Face / rear Panel: 20cm (W)x 9 cm(H), both left/right edges in 3mm rounded
Thickness: side board at 8 mm, top/bottom board at 3 mm
, front/rear board at 8 mm but with excavated inner center area in 3mm thinkness for easy of hole drilling

All flat without Pre- cutout/hole(aflat):
Finish: hair brushed in anodized plating, in black and natural finish
net weight: 2.75 kgs

PRAL-203010r Oblong All Alum. Chassis 
Overall size: 20cm(W) x 30cm(D) x 10 cm(H)

Face / rear Panel: 20cm (W)x 10 cm(H), both left/right edges in 3mm rounded
Thickness: side board at 6 mm, top/bottom board at 3 mm
, front/rear board at 6 mm but with excavated inner center area in 3mm thinkness for easy of hole drilling

All flat without Pre- cutout/hole(aflat):
Finish: hair brushed in anodized plating, in black and natural finish
net weight: 2.27 kgs

PRAL-203010 PRAL-203010 Oblong All Alum. Chassis 
Overall size: 20cm(W) x 30cm(D) x 10.2 cm(H)

Face Panel: 20cm (W)x 10.2 cm(H)

Thickness: side board at 6 mm, top/bottom board at 5 mm

All flat without Pre- cutout/hole(aflat):

Finish: hair brushed in anodized plating, in black and natural finish
net weight: 2.42 kgs

PRAL30277C

PRAL-30277C All Alum. Chassis for MC amp. 
Overall size: 30cm(W) x 27.3cm(D) x 7 cm(H)

Face Panel: 30cm (W)x 7 cm(H), radian in edge at 4.5mm and middle point at 11mm in thickness

Thickness: side board at 8mm, top/bottom board at 5mm

Pre- cutout/hole:
- logo plate recesses of
21mm x 42mm
- Led hole: 3mm dia

Back Panel Pre-cutout/hole;
- INPUT: 6 hole or 3 sets for inputs(11.8mm dia) with printing of "MM", "MC1" & "MC2"

- OUTPUT: 2 hole for Output(11.8mm dia), with printing of "OUTPUT'
- Earthing terminal hole: 6.2mm dia.

- Power socket:of 28 x 20 mm cut out , with 2 fixing screw hole
-
Power Switch cutout:of 14 x 20.5 mm, for snap-in type
- fuse hole in 16mm dia.

Finish: hair brushed in anodized plating, in black and natural finish
net weight: 4.1 kgs

Shipped with following parts;
-
4 pairs of TCST Taiwanese made gold plated RCA socket
- 1 pc of Taiwanese made gold plated earthing terminal post
- 1 pc of ST/SM Swiss Schurter male Power socket
- 1pc of SFEC Swiss Schurter fuse socket
- 1pc of SCH1552-16A Schurter rock switch


PRAL-22307

PRAL-20307 All Alum. Chassis. 
Overall size: 20cm(W) x 30cm(D) x 7 cm(H)

Face Panel: 20cm (W)x 7 cm(H)

Thickness: side board at 8mm, top/bottom board at 5mm

All flat without Pre- cutout/hole(aflat):

Finish: hair brushed in anodized plating, in black and natural finish
net weight: 2.57 kgs


PRAL-22307 All Alum. Chassis. 
-- Ditto -- But,
Overall size: 22cm(W) x 30cm(D) x 7 cm(H)

Face Panel: 22cm (W)x 7 cm(H)

net weight: 2.57 kgs

High grade chassis

PRAL-30267
30267 top view
30267 back/top  view
back panel hole drill
PRAL-30267F w/knob
Rear Pannel

30267F Natural finish
Rear Panel

PRAL-30267 All Alum. Chassis for Pre. amp. 
Overall size: 30cm(W) x 26.6cm(D) x 7 cm(H)

Face Panel: 30cm (W)x 7 cm(H)

Thickness: side board/front board at 8mm, top/bottom board at 4.8mm/3mm

Pre- cutout/hole:
- Front Input Select and volume control, recesses of
30.5mm Dia. x 5.5mm(Depth)
- Led hole: 3mm dia

Back Panel Pre-cutout/hole;
- INPUT: 4 hole or 2 sets for inputs(11.8mm dia)

- OUTPUT: 2 hole for Pre. out(11.8mm dia)
- Power socket:of 28 x 20 mm cut out , with 2 fixxing screw hole
-
Power Switch cutout:of 14 x 20.5 mm cut out, for snap-in type
- fuse hole in 12mm dia.

Top cover cutout/hole;
- for driver stage in 2 hole of 22mm dia. and each 3 fixing screw hold(3mm)
- 1 hole for rectifier tube in 27mm
- Square transformer hole(63 x 74mm D) with 4 each fixing screw rounded oblong hole(5 x 8mm) and round hole(6mm)

Finish: hair brushed
in anodized plating in black and natural finish
net weight: 3 kgs

PRAL-30267F All Alum. Chassis for Pre. amp. 
--- ditto -- but without pre-cutout on top cover board and no tuning knob with shipping

Shipped with following parts, but not mounted as shown;
-
3 pairs of TCST Taiwanese made gold plated RCA socket
- 1 pc of ST/SM Swiss Schurter male Power socket
- 1pc of SFEC Swiss Schurter fuse socket
- 1pc of SCH1552-16A Schurter rock switch

PRAL-30267s All Alum. Chassis for Pre. amp
--- Same as PRAL-30267 but depth at 26 cm ---
Overall size: 30cm(W) x 26cm(D) x 7 cm(H)


PRAL-30267sF All Alum. Chassis for Pre. amp. 
--- Same as PRAL-30267 but without pre-cutout on top cover board and no tuning knob with shipping. Also depth at 26 cm---

Overall size: 30cm(W) x 26cm(D) x 7 cm(H)

PRAL-47328R

PRAL-47328R All Alum. Chassis for Pre. amp
Overall size: 46.8cm(W) x 32cm(D) x 8 cm(H)

Face Panel: 41cm (W)x 8 cm(H)
Side Panel: 26cm (D) x 8 cm(H)

Thickness: side board/front board at 12mm, top/bottom board at 5mm/3mm

Pre- cutout/hole:
- Back panel in inner recess for easy of hole drilling(3mm).

Finish: hair brushed in anodized plating in natural and black finish
net weight: 5.5kgs

PRAL-473210R All Alum. Chassis for Pre. amp
-- Ditto --
but height at 10.2cm(H),

net weight: about 6.0kgs

PWAD-01
Shown without face panel

PWAD-01 Case for transistor power Amplifier
Application: best suited for 50W or 60W Stereo Class A power Amp, with LED indicator
Face panel: 42 cm x 14cm
body Dimension: 40.2cm(W) x 26cm(D) x 13.4cm(H)

Size on heat sink: 25cm(D) x 13.5cm(H) x 4cm(Thick)


Thickness: steel chassis (1.2mm), Panel option for 10mm & 8 mm

Finish: Alum. alloy panel in anodized plating + Steel body in painting

Color finish: Silver white in hair brush finish

Pre-print in top cover:
MOSPOWER
class "A"MOSFET Discrete Poweramplifier

Pre-print in face panel:
- Logo with print of 'Registered by Soundoyez Class "A" FET Preamplifier
- Model:
- BORBELY AUDIO
Melchior Fanger Strasse 34A
82205 New-Gilching., Germany
- Warning DO NOT OPEN!!, To avoid of electric shock!

Pre- holed and silk screen print in face panel:
- 2 x RCA Input, 9.4mm dia., print with 'RIGHT'/"LEFT"
- 4 x RCA output, 9.4mm dia.
- 1 x fuse holder, 12.5mm dia, print with "Fuse 10A Slow Blow"
- 2 x fuse holder, 12.5mm dia, print with "Fuse 5A"
- 2 x fuse holder, 12.5mm dia., print with "Fuse 0.5A"
- 1 x power switch hole, 28 mm x 20mm, print with"115VAC 230VAC"

Click here to view the back panel and cutout
* Can optional supply body without face panel.
PWAD-A100
PWAD-A100 side view

Back view for hole pre-cutout
PWAD-A100  All Alum. Chassis for power amp. (SOLD OUT)
Heat sink suitable for 45W+45W stereo or 90W under Mono Class A, 
Overall size: 44cm(W) x 46cm(D) x 19cm(H)
Body size; 42 cm (W) x 45cm(D) x 17cm(H)
Panel size: 45cm (W)x 18cm(h) 
Thickness: body(1.2mm), panel (10mm) 

Heat sink size: 10.2cm(W) x 17cm(H) x 4.9cm(D) ,
with 
  8 pcs of heat sink 

Pre-cutout/hole: 
Panel Main switch; 36 x 28mm( recess 33 x 31 mm) 
Led hole: 3mm dia 

Back Panel; 2 hole for inputs(10mm dia)
Holes between(hole center to hole center) at 14.2cm
 

2 set of speaker out(each with 4 hole of 10mm dia.)
+/- Binding post holes between at 4cm, up and down at 3.5cm
 

Power Switch: 28 x 20 mm cut out 
fuse hole in 12mm dia. 

Finish: Black and champagne anode plating over alum. alloy.

PS: shipping with tan transistor NYLON protected cup, not as shown in photo for baked steel shield

*Limited quantity offer

PDAW-A60
PWAD-A40  Alum. Chassis for power amp. 
Heat sink suitable for 30W+30W stereo or 60W under Mono Class A, 
Overall size: 48cm(W) x 26cm(D) x 11cm(H)
Body size; 47 cm (W) x 25cm(D) x 10cm(H)
Panel size: 48cm (W)x 11cm(h) 
Thickness: body(1.1mm), panel (6mm) 
Heat sink size: 25cm(D) x 10cm(H) x 3.5cm(Thick) , with 
2 pcs of heat sink 

Pre-cutout/hole: 
Panel Main switch; 23 x 13mm( recess 38 x 23 mm) 
Led hole: 3mm dia 
Back Panel; 2 hole for inputs(10mm dia) 
2 set of speaker out(each with 4 hole of 10mm dia.) 
Power Switch: 28 x 20 mm cut out 
fuse hole in 12.5mm dia. 

Finish: alum. alloy anode plating in champagne. top, bottom & rear panel in baked steel with printed indication labeling.

*Limited quantity offer

Heatsink used by A60
PWAD-A40HS  Heatsink
Heat sink used by A60
Size: 25cm(W) x 10cm(D) x 3.9cm(H)
Pre-drilled holes on side(2 unthreaded,5mm dia) and back(5 threaded,2.5mm dia)
Black finish: Alum. alloy in anodized plating

All Alum. power source chassis case, assembled
Nature color fine hair brushed, Anodized plating finish, All panel and body without any of pre- drill and printing, Enable to offer for fully own designing need.
 
PWRAL-3

PWRAM-2 Alum./Steel Power Amp chassis case
PWRML-3 Power-main steel chassis case
PWRAL-3 Power-main Alum chassis case (3 units size)
Panel size: 25cm x 13cm(5mm thickness)
Chassis dimension: 24.3cm(W) x 38.5cm(D) x 13(H)
weight: 2.4kgs
color finish: natural, champagne

PWRAM-2  Alum./Steel Chassis case for power amp. 
Overall size: 25cm(W) x 37cm(D) x 24cm(H)
Steel body size; 24.1 cm (W) x 36.7cm(D) x 13.5cm(H)
Alum. Panel size: 25cm (W)x 24cm(h) 
Thickness: body(1.2mm), panel (6mm) 

Pre-cutout/hole: 
Panel Main switch; 15mm dia.( recess 17.5 mm) 
Led hole: 3mm dia 

Back Panel; 
Rin/Lin input: 2 input holes(10mm dia) 
Out +/- Speaker Output: 2 set of speaker out(each with 2 of 10mm dia. hole) 
Power Switch: 28 x 20 mm cut out 

Finish: alum. alloy anode plating in face panel, body in baked steel with printed indication labeling.

Net Weight: 4.7kgs

PWRML-3 Power-main steel chassis case
Black painting in dull finish
Panel size: 25cm x 13cm(5mm thickness)
Chassis dimension: 24.3cm(W) x 38.5cm(D) x 13(H)
* discontinued


All aluminum chassis case, knock down type
High grade alum hair brush, nature finish. Anodized plating finish, All panel and body without any of pre-drill and printing, Enable to offer for fully own designing application.
 

PRAL-1 Pre-Amp Alum chassis case(1 unit size)
Panel size: 48cm x 7 cm(5mm thickness)
Chassis dimension: 43cm(W) x 30cm(D) x 6.5cm(H)
Weight: 2 kgs
finished: Natural, champagne,Black body/champagne Face panel

PRAL-1-BS Pre-Amp Alum chassis case(1 unit size)
--ditto -- but black body with silver finish panel

 
PRAL-1a Pre-Amp Alum chassis case(modified 1 unit size)
Panel size: 41cm x 7.3 cm(5mm thickness)
Chassis dimension:40.5cm(W) x 27cm(D) x 6cm(H)
Weight: 2.1 kgs
finished: Natural
PRAL-1 1 unit size, natural finish

PRAL-2 Pre-Amp Alum chassis case(2 units size)
Panel size: 48cm x 9 cm(5mm thickness)
Chassis dimension: 43cm(W) x 30cm(D) x 9cm(H)
Weight: 3 kgs
finished: Natural, champagne 

PRAL-2-BS Pre-Amp Alum chassis case(2 unit size)
--ditto -- but black body with silver finish panel

PRAL-2-BG Pre-Amp Alum chassis case(2 unit size)
--ditto -- but black body with champagne finish panel

PRAL-3 with Black body/Champagne face panel

PRAL-3 Power-Amp Alum chassis case(3 unit size)
Panel size: 48.3cm x 12.5 cm(5mm thickness)
Chassis dimension: 43cm(W) x 30cm(D) x 12.5 cm(H)
Weight: 4 kgs
finished: Natural, champagne 

PRAL-3-BS Power-Amp Alum chassis case(3 unit size)
--ditto -- but black body with silver finish panel


All aluminum compact chassis, knock down type
High grade alum hair brush, nature anodized plating finish, All panel and body without any of pre-drill and printing, Enable to offer for fully own designing application.
 

PRAL-1b

PRAL-1c
PRAL-1c with black face panel
PRAL-1hc
PRAL-1sc short compact size

PRAL-1mg nature finish
PRAL-1mg Champagne


PRAL-1b Alum chassis case(1 unit size)
Panel size: 30.3cm x 6.4cm(5mm thickness)
Chassis dimension: 26.6cm(W)x 38cm(D) x 6cm(H)
Weight: 1.83 kgs
finished: Natural

PRAL-1c Alum chassis case(1 unit size)
Panel size: 25.5cm x 7.7cm(5mm thickness)
Chassis dimension: 23cm(W)x 36cm(D) x 6.5cm(H)
Weight: 1.65 kgs
finished: Natural, Black,champagne, Black body/champagne Face panel

PRAL-1hc Alum chassis case (1 unit size,higher panel)
Panel size: 25.5cm x 10.1cm(5mm thickness)
Chassis dimension: 23cm(W)x 35.7cm(D) x 9.5cm(H)
* cover with open hole at front 
Weight: 1.8 kgs
finished: Natural, champagne 

PRAL-1sc Alum chassis case(1 unit size, shorter depth)
Panel size: 30.5cm x 7.6cm(5mm thickness)
Chassis dimension: 25.5cm(W)x 20.3cm(D) x 7cm(H)
Weight: 1.25 kgs
finished: Natural, champagne 

PRAL-1g Alum chassis case,  champagne finished(1 unit size)
Panel size: 30.3cm x 7.4cm(5mm thickness)
Chassis dimension: 25.3cm(W)x 40.5cm(D) x 7cm(H)
Weight: 2 kgs
finished: Natural, champagne 

PRAL-1mg Mini alum chassis case,  (1 unit size)
Panel size: 20.4cm x 7.7cm(5mm thickness)
Chassis dimension: 15cm(W)x 15cm(D) x 7cm(H)
Weight: 0.76 kgs
finished: Natural, champagne 


DAC-AA DAC Chassis case, in knock down form
Black painting in dull finish
 
DAC-AA DAC Chassis case
Panel size: 15cm x 6cm(3mm thickness),
Pre-drilled hole at panel; led indicator hole(4mm dia.)/toggle switch hole(10mm)
Pre-drilled hole at back panel; Power(11x27mm),RCAx2(10mm), OPT/COA(5mm), square hole(10 x 9mm), round hole (8mm dia)

Chassis dimension: 14.8cm(W) x 21.5cm(D) x 6cm(H)



Chassis Case Heat Sink

HS2513 Alum. Alloy Heat Sink
Panel size: 25cm (L) x 13.5cm(W)x4.1 cm(Thickness)
Pre-drilled fixing screw hole on back; appr. 2.5mm dia. x 26 hole
Weight: 1.66kgs
Thickness of Chassis base plate: 11.4mm
HeatSink leaves: 21pcs(appr. 3mm at bottom x 2.5mm on top x 29mm(H))

Finish: dull black finish and viewing shape

Heatsink used by A60
PWAD-A40HS Alum. Alloy Heat Sink
Panel also used in chassis case PWAD-A60
Panel size: 25cm (W) x 10cm(D) x 3.93 cm(Thickness)

Weight: 1.45kgs
Thickness of Chassis base plate: 9.5mm
HeatSink leaves: 24pcs(appr. 2.7mm at bottom x 2.5mm at top x 29.5mm(H))


Pre-drilled fixing screw hole on top and bottom side; appr. 3.3mm dia. x 3 hole each

base to fix transistors; appr. 2.5mm dia x 5 holes
Side base predrilled hole:
appr. 5mm dia x 1 hole each side
Finish: dull black finish
Thermalcote Thermal joint compund


THERCOMP2 Thermalcote thermal joint compund
Mfg. of Thermalloy Inc., Dallas, Texas
Net Wt. 2 oz.
Typical Properties;
Color: white
Working temp.(deg. C): -40 to +204
Thermal conductivity(Cal/Sec*cm*deg C): 0.0009
Dielectric Strength(Volts/mil): 300
Shelf life: indefinite(unopened)
Cleaning Solvent: Turpentine or Mineral spirits

1) For other power amp heat sink, in black finish. Please contact.
    2) Write for Alum Chassis case to go with face panel in champagne finish.
 Last updated on 3/27/13