Reply To: Need your Help

Hello, Asaf. I don’t think you will find any 36 or 37 key melodica that has a sound like the original alto 25.
There are a lot of Piano 36 models around and at lower prices than they were a few years ago. I can sell you a Piano 36 in good playing condition at a reasonable price. Shipping would be more reasonable if you are in North America. You can find my email address in my Profile. Contact me if you’re interested.
I would say that the Piano 36 has a somewhat softer and warmer tone than the Yamaha and Suzuki, but it’s not like the alto 25 or other small vintage Hohners. The Hohner Professional 36 would be even better, but it’s hard to find one in good playing condition, and the price for that is likely to be $500 or more. The Professional is also harder to play. It takes more air.
The Suzuki A-34C has a somewhat mellower sound than the M-37C. There are also some other older vintage models such as the Clavietta whose sound you might like. But a Clavietta in good playing condition is hard to find and will be very expensive.