B&O Beomaster 2400 (type 2902) touch panel unresponsive

in BeoMaster · Sept 14, 2026 19:04 GMT

It was suggested that 2TR27 might be the problem but replacing that transistor made no difference. I found another Beomaster 2400 v.2902 on eBay that seems to work better except it is stuck on tuner FM3, not FM4! If I pr…

B&O Beomaster 2400 (type 2902) touch panel unresponsive

in BeoMaster · Jun 5, 2026 19:29 GMT

Greetings! I just picked up a very nice Beomaster 2400 that had a few problems - some burned out indicator lamps, noisy balance control, dead phono section - but otherwise worked well and sounds fine. So I took it apart …

Measure MMC20* cartridge without 1/2" adapter?

in Cartridge · Aug 15, 2025 07:46 GMT

Hey folks, I have a MMC 20EN with an intact stylus but it produces no output. I would like to measure its coil resistance but don't have that 1/2" adapter with external terminals that make it easy to test. So I thought I…

What is a MMC20 - Type A cartridge

in BeoGram · Aug 8, 2025 16:11 GMT

Mark-sf wrote: What you have is the packing box of the cartridge that would come when it was included with the turntable. They provided specific models with specific turntables. The retail packaging for the cartridge was…

What is a MMC20 - Type A cartridge

in BeoGram · Aug 8, 2025 03:29 GMT

Mark-sf wrote: Nebojsa is correct. I was a B&O dealer back then. Thanks to both you and Nebojsa for your replies. It is also my understanding that those were the only 4 versions of the MMC 20 that were released. Hence, m…

What is a MMC20 - Type A cartridge

in BeoGram · Aug 7, 2025 19:20 GMT

Greetings, I see ads for a MMC 20 - Type A cartridge every now and then but can't find any real data on it. Some ads show it as a 20EN but that label is not printed on the cartridge like it is on a "genuine" 20EN. So did…

Beogram 2400 control panel and lift post repair

in BeoGram · Aug 4, 2025 21:33 GMT

Greetings! I just picked up a pair of Beogram 2400 turntables in need of serious attention, which I am more than happy to give! The biggest problem with both of them was that their control panel/switches were totally bro…