weblog.stridfeldt.net

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Tuesday, March 20. 2012

Posted by Håkan Stridfeldt at 20:47 | Comments (0) | Trackbacks (0)

Nostalgi

Thursday, March 1. 2012

Posted by Håkan Stridfeldt at 22:25 | Comments (0) | Trackbacks (0)

A8X

Wednesday, August 3. 2011

Posted by Håkan Stridfeldt at 14:04 | Comments (10) | Trackbacks (0)

28" tablet :)

Tuesday, July 19. 2011

Posted by Håkan Stridfeldt at 13:47 | Comments (9) | Trackbacks (0)

PCM2704 USB DAC

Thursday, May 26. 2011

Posted by Håkan Stridfeldt at 22:47 | Comments (0) | Trackbacks (0)

Active soundbar CHR-70, ta2024

Wednesday, May 18. 2011

Posted by Håkan Stridfeldt at 11:55 | Comment (1) | Trackbacks (0)

Tissue box class d

Sunday, March 27. 2011

Posted by Håkan Stridfeldt at 00:23 | Comment (1) | Trackbacks (0)

W4-792sj 14 cm high tapped horn

Monday, November 22. 2010

Posted by Håkan Stridfeldt at 16:27 | Comments (0) | Trackbacks (0)

PCM2902 --> CS84210 --> CS4398 --> TA2024 USB-DAC-AMP

Saturday, June 12. 2010

Posted by Håkan Stridfeldt at 20:07 | Comment (1) | Trackbacks (0)

microTL kitchen radio thingie

Friday, April 16. 2010

Driver: Tangband W3-371
Box: 9:1 classic transmission line tuned to ~65Hz
Amp: Tripath 2024
Todo: Mount iphone/ipod dock

Posted by Håkan Stridfeldt at 22:48 | Comments (0) | Trackbacks (0)

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20091016 V 4 FM
20091111 V 8
20091123 M 3.2 Gärdan
20091123 M 3.4 Björk
20091126 V 8
20091127 S 8
20091201 V 8
20091203 V 8
20091208 M 4 hamn
20091209 M 3.8 ssab

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20091216 ATF 1
20091218 S 8
20091222 ATF 2
20091223 S 8
20091228 S 8
20091229 S 8
20091230 S 8
20100114 V 4 E

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20100128 M 7.4 Antnäs
20100205 M 7.2 Råneå
20100208 V 8
20100210 V 8
20100212 V 4 E (ATF)

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20100216 1 (ATF)
20100217 1 (ATF)
20100222 Ö 4 18-22
20100223 V 4 FM Ö 1 16-17 kvittas
20100225 V 4 FM (ATF)
20100226 V 3 EM (ATF)
20100302 V 8
20100303 V 8

---------------------------------------

20100319 V 1 ATF
20100322 V 4 fm
20100322 Ö 1
20100323 V 4 fm
20100324 V 4 em
20100526 V 6 fm
20100526 Ö 16-18
20100528 Ö ATF 5h

---------------------------------------

20101012 V 8
20101013 1 ATF

Posted by Håkan Stridfeldt at 11:14 | Comments (0) | Trackbacks (0)

Tripath 2024 amp in $10 key cabinet.

Friday, March 19. 2010

Posted by Håkan Stridfeldt at 08:21 | Comments (0) | Trackbacks (0)

TK2050 Class-D Audio Amplifier

Tuesday, January 26. 2010

TK2050 Class-D Förstärkare $40 ink frakt
145W 24V DC 6A Nätaggregat $28 ink frakt
50K Volympot $1 ink frakt
Nätbrunn $1,7 ink frakt
6st RCA-kontakter $6,6 ink frakt
2st Rattar $10 ink frakt
1st Ingångsväljare $2 ink frakt
2st 2.2uF audiokondensatorer $3 ink frakt
_____________________________________________
Summa totalt $92,3 ink frakt

I.
- Input caps
- tank caps (and thus depending on your PSU also a soft start)
II.
- Input and feedback resistors
III.
- output filter incl. toroids
- voltage regulator
- re-route power rails on PCB and remove diodes (amp likes every bit of voltage)
IV. Might not be worth doing
- re-wiring pins 24 on both TP2050s to 21,22 (Vdd) instead of gnd
- exchange C22&27 for 470pF as per the TC2000 data sheet

TK2050 Class-D Förstärkare $40 ink frakt