How to buy

Please visit my webshop at SJOSTROMAUDIO.NET

 

Most items are unpopulated printed circuit boards but the pictures show the finished product. As a service I can offer a built unit.

 


Postage & packing:

The shipping costs is visible in the shopping cart and during the checkout process.

 


Payment:

I'm using Paypal with possibility to use credit cards without having an account at Paypal.

 


QRP01, Gainclone
Professional pcb

Only the bare pcb, no additional parts are included except for 1.5 mm wire for the inductor. Weight 74 (+ inductor 20 g).


NO PCB LEFT but pcb's could be ordered.

alt
QRP02, Gainclone
Professional pcb

Only the bare pcb, no additional parts are included except for 1.5 mm wire for the inductor. Weight 40 g (+ inductor 10 g).

Go to webshop

ONLY 1 PCB LEFT but more could be ordered.

alt
PA03 Power amp, design by Pavel Ducek
Professional pcb

Only the bare pcb, no additional parts included

Go to webshop

Red pcb with gold pads. Picture
PA03 Power amp, design by Pavel Ducek Professional pcb + LM4780 Go to webshop Red pcb with gold pads. Picture
QSXPS Rev.1, power supply
Professional pcb

Only the bare pcb, no additional parts are included. Weight 77 g. One board is left and after this the design will be discontinued and replaced by JSR04

NO PCB LEFT

alt
QSXPS Rev. 0, power supply
Professional pcb

Only the bare pcb, no additional parts are included. Weight 58 g.

NO PCB LEFT alt
SSR01, power supply
Professional pcb

Only the bare pcb, no additional parts are included. The PCB has four layers, 70 um thick and with goldplated pads, made in a small series. Weight 10 g.

Go to webshop alt
SSR01, power supply
Professional pcb + AD825

Pcb and AD825 no extra charge if you want it soldered. Weight 10 g.

Go to webshop alt
SSR01, power supply
Ready made unit

Ready made unit with D44H11, AD825, LM431 or precision reference LM329, voltage out 5-24 volt. Other voltages on request. Weight 21 g.

Go to webshop
alt
SSR02, power supply  Professional pcb

Only the bare pcb, no additional parts are included. The PCB has four layers, 70 um thick and with goldplated pads, made in a small series. Weight 10 g.

Go to webshop
SSR02, power supply
Professional pcb + AD825

Pcb and AD825 no extra charge if you want it soldered. Weight 10 g.

Go to webshop
SSR02, power supply
Ready made unit

Ready made unit with D44H11, AD825, LM431 or precision reference LM329, voltage out 5-24 volt. Other voltages on request. Weight 21 g.

Go to webshop
JSR01, power supply
Professional pcb

Only the bare pcb, no additional parts are included. Weight 14 g.

NO PCB LEFT
alt
JSR02, power supply
Professional pcb

Only the bare pcb, no additional parts are included. Weight 5 g.

NO PCB LEFT
alt
JSR03, power supply
Professional pcb

Only the bare pcb, no additional parts are included. Weight 8 g.

No pcb's available, discontinued. See the SSR01 instead.
alt
JSR03, power supply
Professional pcb + AD825

Pcb and AD825 no extra charge if you want it soldered. Weight 9 g.

No pcb's available, discontinued. See the SSR01 instead.
alt
JSR03, power supply
Ready made unit

Ready made unit with D44H11, AD825, precision reference LM329, voltage out 13.6-13.8 volt. Other voltages on request. Weight 20 g.


No pcb's available, discontinued. See the SSR01 instead.
alt
JSR04, power supply Professional pcb

Only the bare pcb, no additional parts are included. Weight 94 g.

No pcb's available, discontinued. See the SSR03 instead. alt
JSR04, power supply Professional pcb + AD825

Pcb and AD825, no extra charge if you want them soldered. Weight 95 g.

No pcb's available, discontinued. See the SSR03 instead. alt
JSR04, power supply
Ready made unit

Ready made unit with BD139/140, AD825, precision reference LM431, voltage out +-14.8 volt. Other voltages on request. Weight 314 g.

No pcb's available, discontinued. See the SSR03 instead. alt
SSR03, dual super regulated power supply
 Professional pcb

Only the bare pcb, no additional parts are included. Weight 98 g.

alt
SSR03, dual super regulated power supply
Professional pcb + AD825

Pcb and AD825, no extra charge if you want them soldered. Weight 99 g.

alt
SSR03, dual super regulated power supply Ready made unit

Ready made unit with AD825, precision reference LM431, voltage out +-15.0 volt. Other voltages on request. Weight 383 g.

alt
JSR05, power supply, negative voltage Professional pcb

Only the bare pcb, no additional parts are included. Weight 8 g.

No pcb's available, discontinued. See the SSR02 instead.
alt
JSR05, power supply, negative voltage Professional pcb + AD825

Pcb and AD825 no extra charge if you want it soldered. Weight 9 g.

 
No pcb's available, discontinued. See the SSR02 instead.
alt
JSR05, power supply, negative voltage
Ready made unit

Ready made unit with D45H11, AD825, precision reference LM329, voltage out -13.6-13.8 volt. Other voltages on request. Weight 20 g.

 
No pcb's available, discontinued. See the SSR02 instead.
alt
JSR06, dual power supply Professional pcb

Only the bare pcb, no additional parts are included. Weight 47 g.

No pcb's available, discontinued but more could be ordered.
alt
JSR06, dual power supply Professional pcb + AD825

Pcb and AD825. No extra charge if you want them soldered. Weight 47 g.

No pcb's available, discontinued but more could be ordered. alt
JSR06, dual power supply Ready made unit

Ready made unit with D44H11, D45H11, AD825, precision reference LM431, voltage out , 14,8 volt. Other voltages on request. Weight 426 g.

No pcb's available, discontinued but more could be ordered. alt
QSXM2, phono amp Professional pcb

Only the bare pcb, no additional parts are included. Weight 128 g.

Go to webshop alt
QSXM3, phono amp Professional pcb

Only the bare pcb, no additional parts are included. Weight 124 g.

No pcb's available, discontinued but more could be ordered.

alt
QRV01, headphone amp Professional pcb

Only the bare pcb, no additional parts are included. Weight 168 g.

Go to webshop alt
QRV02, headphone amp Professional pcb

Only the bare pcb, no additional parts are included. Weight 78 g.

Go to webshop alt
QRV03, headphone amp Professional pcb

Only the bare pcb, no additional parts are included. Weight 76 g

Go to webshop

alt
QRV04, headphone amp Professional pcb

Only the bare pcb, no additional parts are included. Weight 32 g.

Go to webshop alt
QRV05, diamond buffer Professional pcb

Only a single channel, two for stereo are needed. Only the bare pcb, no additional parts are included. Weight 5 g. 4 pcs. 28 g

No pcb's available, discontinued. See the SSB01 instead alt
SSB01, diamond buffer Professional pcb

Only a single channel, two for stereo are needed. Only the bare pcb, no additional parts are included. Weight 3 g. 4 pcs. 11 g

SSB01, diamond buffer

Ready made unit

Only a single channel, two for stereo are needed. Built unit, hand soldered.  The unit will be built on a YELLOW pcb. Weight 5 g.

Go to webshop
UBC01, unbalanced to balanced driver  Professional pcb

Only the bare pcb, no additional parts are included. Weight 18 g.

Go to webshop
QRV06, headphone amp Professional pcb

Only the bare pcb, no additional parts are included. Weight 13 g.

No pcb's available, discontinued. See the QRV08 instead.
alt
QRV07, headphone amp Professional pcb

Only the bare pcb, no additional parts are included. Weight 38 g.

No pcb's available, discontinued. See the QRV09 instead alt
QRV08, headphone amp Professional pcb

Only the bare pcb, no additional parts are included. Weight 88 g.

Go to webshop alt
QRV09, headphone amp

Professional pcb

Only the bare pcb, no additional parts are included. Weight 55 g.
Go to webshop alt
DCT01, DC trap Professional pcb

Only the bare pcb, no additional parts are included. Weight 23 g.

No pcb's available, discontinued. See the DCT02 instead

alt
DCT02, DC trap Professional pcb

Only the bare pcb, no additional parts are included. Weight 23 g.

Go to webshop alt
SPS01, Power supply Professional pcb

Only the bare pcb, no additional parts are included. Board 2 mm, 70 um copper, goldpads. Weight 180 g.

Go to webshop
SPS02, Power supply Professional pcb

Only the bare pcb, no additional parts are included. Weight 34 g.

Go to webshop
SST01, soft start Professional pcb

Only the bare pcb, no additional parts are included. Weight 25 g.

Go to webshop alt
 SST02, soft start Professional pcb

Only the bare pcb, no additional parts are included. Weight 23 g.

No pcb's available, discontinued. See the SST03 instead alt
SST03, soft start Professional pcb

Only the bare pcb, no additional parts are included. Weight 23 g.

Go to webshop alt
MLD-01, Mains LED Driver Professional pcb

Only the bare pcb, no additional parts are included. Weight 10 g.

No pcb's available.
RFB01, rectifier bridge Professional pcb

Only the bare pcb, no additional parts are included. Weight 22 g.

No pcb's available, discontinued but replaced by RFB03
alt
RFB02, rectifier bridge Professional pcb

Only the bare pcb, no additional parts are included. Weight 19 g. 4 pcs. 86 g

No pcb's available, discontinued but replaced by RFB03
alt
RFB03, rectifier bridge Professional pcb

Only the bare pcb, no additional parts are included. Weight 19 g. 4 pcs. 78 g



Go to top