Polytone is a classic amp transistors for jazz guitar. Used especially by George Benson, Herb Ellis, Joe Pass, Jim Hall ... it is a relatively compact combo for power (100w), is the best return the grain of your guitar. Poor cosmetic but works perfectly.
Here is an electro-acoustic model to the concert format, all mahogany and with a massive table. Ideal for adding without much this little fresh touch to your compositions, live like in a home studio. Comes with cover.