Are they noisy ? That's very common. Finding replacements is practically impossible so a repair icould be the only way. Take them apart, clean them using contact switch cleaner and a glasshair brush. Watch out for small parts. The Beomaster 4400 is not old... It's still a young classic. Martin

Record bias can be a high (AC) voltage. As you suggest yourself, make sure that all groundings are good, both on the heads, the metal plate holding the heads and on the boards. I haven't done a lot of these recorders myself but I'm almost sure that a capacitive decoupling of the chassis is present somewhere. Maybe Tim can comment ? If possible

The Beomaster 6000 is known to run a bit warmer than other Beomasters but anything warmer than your hand when playing at low volume is bad. Note that the amplifier section is at the left side, the power supply at the right side of the large cooling fin. As Peter suggests, replace and readjust the idle current trimmers and it would make good sense to

Frede, Are you sure if the knobs on the little black stereo amplifier are original ? The knobs look like the ones used on the 607 Present models so could be of the correct year but I never saw these mounted on this amplifier before, they look very big. I only ever saw the ones which are also pictured in the Beoworld product browser. Martin

and one more (this one with different knobs and no tuning memory ruler !):

One more photo:

Frede, I'm not sure if it has a danish name other than Bandmaster 609K, at least that's what is printed at it. Not an export model judging from the lettering. It looks very much like the Dirigent. I will try to attach photo or two. Martin

A Master 43K (not a Beomaster...!). Wonderful piece in great condition ! Very clear to see that this design lasted and was used on several models to come, even into the 50's with only minor changes. Denmark was occupied under WW2 and getting parts and resources was very hard. Love the speaker cloth, it's original and hardly replaceable ... Martin

Yes, apart from the speaker the rest looks absolutely fine. I didn't know that it was listed for the second time around. If the price was the same I am also surprised that it didn't sell the first time. All pre-WW2 B&O are greatly sought after and normally highly valued. Problem with the older manuals is that they remain the property of

The Master 38K has the white background dial and "real" speaker cloth (like yours). It looks very similar to the Master Deluxe 38 which is in fact a completely different and considerably larger (!) radio with black background dial and rattan "cloth" speaker cover. They are often confused. Both are nice radios but, as said, very different