Buy one (32 on sale)
                        
                        
                    
                            1985 (July)
                            
                                
Initially sold for ¥42,000
                            
                        
The entry-level RX21 was one of the cheapest programmable drum machines available in 1985.
It's very small, built with the classic Yamaha black plastic and rubber buttons. 9 decent voices, that are available directly from the pads, are used to create the 40 preset patterns.
 
            
        
    
             
                                     
                                    