try this one http://www.audioasylum.com/audio/tweaks/messages/8858.html : Hey now – : I’ve got a stereo ES 345 – pretty fun dialing in different tones. But, a stereo to mono cable so that I can use just one amp wold be handy from to time. Anyone know where I can find one? : Thanks! : jp

I also have a 345 and have been doing a search for a cable or small converter box if u have found anything could u please email me and let me know and if i do come across anything i will pass it on Cheers Dave B : Hey now – : I’ve got a stereo ES 345 – pretty fun dialing in different tones. But, a stereo to mono cable so that I can use just one amp wold be handy from to time. Anyone know where I can find one? : Thanks! : jp