The Positive Grid Spark 40 amp is packed full of features and seems to be a fantastic learning tool. The question is Is it the best guitar practice amp?
Note: For anyone who already has a Positive Grid Spark, it's a good idea to make sure you have the latest firmware (firmware download is at the bottom of the page). Positive Grid Spark Amplifier It was during Positive Grid's pre-ordering period of the new all-singing, all-dancing guitar practice amp that I myself pre-ordered the
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