Repair bellows I have some antique whistling wooden men that need their bellows replaced or repaired. How can I go about this?

remove top screws by handle.

It would be easier if the instrument was in hand to figure it out.
Your best bet to ID the instrument is to take it to the best woodwind repair man or the largest woodwind selling music store in your area for an opinion. If you do not know of a repair man, contact your nearest AFM Musician's Union to get a referal. To find them check out this link-

Find My Local American Federation of Musicians

try these links for information

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Selling Antiques Expert Antiques Valuations from Value My Stuff


Vintage Instruments Philadelphia Guitars Banjos Mandolins Woodwinds...


Music Musical Instrument Collectors

Sounds like a problem with the horn amp in that cabinet. This is not a user fixable problem and needs to go to the shop. Here is a link to the Mackie support page where you can find a link to the repair shop list.
Mackie Tech Support

If you call 714-522-9000, you can ask them for this part on order or for a distrubator in your area.

Make sure the mute button is NOT showing green. Press once to mute and again to unmute. If the button is working correctly, not stuck or dirty. there may be a loose connection in the microphone wire which means it would have to be taken apart to repair.

its the mute switch or the rheostat(slide)

If you are gluing small pieces of metal to wood, or small pieces of wood to metal, we recommend:LePage's Metal EpoxyJ-B WeldFaststeel Epoxy Putty if you have gaps to fillIf you have a large amount of surface area, we recommend:LePage's Press-Tite Contact (solvent-based)LePage's Press-Tite Green Contact Cement3M Fastbond 30-NFClamping can make the difference between success and failure here. Whenever you are gluing metal it's a good idea to clean it first with steel wool or sandpaper. (Rust never sleeps.)

It is a poor ground but it is not necessarily in your amp.
If it is only buzzing when you have a guitar or other piece of equipment connected try a new lead cable.
If it buzzes all of the time......remove the cover at the rear of the amp and remove control panel.
Inspect the feed line to the input. If it is loose or broken....repair or take to have repaired.