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L25D - diyAudio
https://www.diyaudio.com/forums/class-d/199389-l25d.html
diyAudio Member. Join Date: Nov 2012. it doesn't really work with 4 ohms. I tried a lot of stuff, and the L25D just doesn't really do 4 ohms, even if you play a lot of tricks. Single exception is ... if you are using it for a subwoofer only, it may do 4 ohms if you cut the gate resistors in half. ******* with the oc resistors can help a little ...
L25D by LJM low amplification | diyAudio
https://www.diyaudio.com/community/threads/l25d-by-ljm-low-amplification.295605/
Hello! I just bought 2 L25D By LJM mono boards, and tested them out at 55v+- VDC(4 ohm speakers).. nice sound but not much..i compared it with another amplifier from that's rated 60w at 8 ohm and 80w at 4 ohm. at 80w rated, it produces more sound at the same speakers.. what's happening?
2pcs L25D IRAUDAMP9 IRS2092 IRFB4020 Top Class D …
https://www.aliexpress.com/item/1005002393597514.html
Cheap Amplifier, Buy Quality Consumer Electronics Directly from China Suppliers:2pcs L25D IRAUDAMP9 IRS2092 IRFB4020 Top Class D Audio Amplifier Board 250W*2 8ohm Finished Board Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return.
Class D "chip amp" distortion (TPA3116 variety) - Techtalk ...
https://techtalk.parts-express.com/forum/tech-talk-forum/65513-class-d-chip-amp-distortion-tpa3116-variety
If you search the L15D and L25D on DIYaudio, there is a user there by the name of LJM who is from China and his boards are basically the IR reference design. I went with the L15D-Pro which has a beefier output stage and a protection relay.
ebay Gainnclone - Too good to be true? [Archive] - The Art ...
https://theartofsound.net/forum/archive/index.php/t-44049.html
I've tried the following : LJM L25D ( IR class D ) - very close to IR reference circuit , amazing performance with 400VA torroidal + dual rail supply ( 6x 10 000 uF Nichicon 80V ) ; or with 2x Abletech 53-0-53 SMPS ( one smps on 2x modules blew smps ) LJM L20 ( Class AB ) - excellent with 400VA torroidal + dual rail supply.
alkasar.online.fr
http://alkasar.online.fr/docs/Mounting%20guide%20L25D.doc
L25D Schematic. differences L25D versus IR . IRAUDAMP7S . reference design. Components values on the board follow the reference design, except for those adjusted to power supply voltage (in red in the Reference schematic) R7, R8, R17, R18, R12, R114, R115, R117, CP7, CP8. pot P1 not implemented. Instead, R11 is 300R (pre-soldered on board).
LJM- Hi-end L25D Stero Audio Power Amplifier Board IRS2092 ...
https://www.thanksbuyer.com/ljm-hi-end-l25d-stero-audio-power-amplifier-board-irs2092-irfb4020pbf-250w-8ohm-assembled-amp-board-include-2-bobards-20393
LJM- Hi-end L25D Stero Audio Power Amplifier Board IRS2092 IRFB4020PBF 250W 8ohm (Assembled Amp board include 2 bobards) Description - L25D,--- L series amplifier board. Best performance of the International Rectifier Corporation Class D amplifier dedicated driver IC IRS2092, International Rectifier company's digital amplifier dedicated FET ...
LYD 5 - Professional nearfield monitor with 5" woofer ...
https://www.dynaudio.com/professional-audio/lyd/lyd-5/
Nearfield Monitor with 5" Woofer. Bi-amped speaker design with 2 x 50W and state-of-the-art Class-D amplification. Bass extension to extend or curtail the low end frequency response. Two different tunings: one for free standing and one designed for speakers within 50 cm of wall. Sound balance to influence the overall response of the speaker.
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