ct
BJT NPN + PNP to switch channel.

General Electronics Discussion About a month ago at 10:02 AM

Last message by codetale on March 25, 2023 at 12:03 AM

21 Replies
549 Views
SB
Pyle Pro PTA1400

Audio About a week ago at 06:03 PM

Last message by kellys_eye on March 17, 2023 at 03:03 PM

9 Replies
208 Views
Paul Bowe Mitsubishi DA-L70 - NO Sound - Help needed please.

Audio About a month ago at 06:02 AM

Last message by Paulluap on March 10, 2023 at 04:03 AM

3 Replies
256 Views
L
Need help with pinout of Logitech Z506 DB9 connector

Troubleshooting and Repair About 3 years ago at 06:10 AM

Last message by mehfujanik on March 09, 2023 at 02:03 AM

18 Replies
6k Views
GS
CIRCUIT BOARD FOR BLUETOOTH SPEAKER THAT INCLUDES LED DISPLAY OUTPUT

Troubleshooting and Repair About a month ago at 08:02 AM

Last message by Delta Prime on February 28, 2023 at 09:02 AM

4 Replies
362 Views
SS
New hiss in vintage Marantz 4300 left speaker

Audio About 3 weeks ago at 01:02 PM

Last message by spurlockscotte on February 28, 2023 at 02:02 AM

6 Replies
227 Views
KS
Cant Hear Anything From My Logitech Speaker

Audio About a month ago at 08:02 AM

Last message by AnibalLeannon on February 27, 2023 at 06:02 AM

1 Replies
235 Views
JF
Small amplifier project power requirements

Power Electronics About a month ago at 06:02 AM

Last message by Harald Kapp on February 11, 2023 at 05:02 PM

16 Replies
483 Views
E
Voice recognition

General Electronics Discussion About 2 months ago at 10:01 PM

Last message by dragon on February 04, 2023 at 04:02 PM

6 Replies
404 Views
David B Marantz PM6004 amplifier cutting out at low volume

Audio About 3 months ago at 03:12 PM

Last message by Bluejets on January 14, 2023 at 10:01 PM

13 Replies
716 Views
Journey11 Pioneer SC-1227 A/V Receiver issue ... need some help ...

Audio About a year ago at 04:07 AM

Last message by pedroafonso on January 02, 2023 at 08:01 PM

39 Replies
3k Views
ES
Tom Mics Issues

General Electronics Discussion About 3 months ago at 06:12 PM

Last message by Emmarockstech1 on December 24, 2022 at 09:12 AM

5 Replies
353 Views
5 Replies
413 Views
(*steve*) Repairing GEM novoPiano DP-25

Troubleshooting and Repair About 12 years ago at 10:03 AM

Last message by duduch33 on December 19, 2022 at 09:12 AM

28 Replies
18k Views
BR
Clavinova FX conversion

General Electronics Discussion About 3 months ago at 01:12 PM

Last message by bazinja on December 16, 2022 at 08:12 PM

4 Replies
391 Views
JK
Add BlueTooth Audio Transmitter to Amplifier?

Radio and Wireless About 3 months ago at 09:11 PM

Last message by kellys_eye on December 02, 2022 at 09:12 AM

5 Replies
621 Views
JK
Need Help with a Project

General Electronics Discussion About 3 months ago at 09:11 PM

Last message by Harald Kapp on December 01, 2022 at 06:12 AM

7 Replies
456 Views
MJ
wich oscilloscope is better

General Electronics Discussion About 3 months ago at 06:11 AM

Last message by yaaraaja4 on November 28, 2022 at 01:11 PM

2 Replies
677 Views
Marshall Hankins Looking for suggested dynamic microphone power level

Audio About 4 months ago at 07:10 PM

Last message by HANKMARS on November 27, 2022 at 08:11 PM

21 Replies
1k Views
JT
DIY burglar alarm

Sensors and Actuators About 4 months ago at 08:11 AM

Last message by Com on November 27, 2022 at 10:11 AM

8 Replies
698 Views