Designed in collaboration with Robert Keeley of Keeley Electronics as a follow-up to the bestselling Custom 10, the Keeley Custom 12 is built to seamlessly integrate your pedals into the heart of an all-tube Supro amplifier. The preamp and 2-band EQ section are voiced perfectly for running your gain pedals in front of the amp, while still maintaining Supro’s signature midrange heft and phenomenal touch dynamics. And a transparent effects loop provides the ideal point to inject your delay and reverb effects into the amplifier’s all-tube signal path, avoiding unwanted distortion on modulation effects. The Keeley Custom 12 features the legendary Celestion G12M-65 Creamback speaker, developed in the mid 1960s and beloved by the biggest guitar players in history. It produces vintage, woody tone while still offering major power, perfect for modern amps. Low-end heft complements warm and vocal mid-range, with crunchy upper-mids and sweet, articulate highs. A master volume circuit allows you to control the sound pressure level coming from the speaker, while pouring on copious amounts of gain from the ECC83S-based tube preamp or your favorite dirt pedals.
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