Each output valve is individually fused and user replaceable without removing the unit from its case (meter also indicates valve or fuse failure). Saving costly and time consuming trips to the Tech and keeping your amp sounding better for longer, the CTM-100 features user adjustable bias for both output valves which can be set by engaging the bias mode of the dual function VU meter on the front panel. Don?t be scared to dial the pots all the way to get the most from the controls. All the controls are highly interactive, giving you the possibility to dial in exactly what tone you want. The EQ section is a passive tone circuit - meaning if all controls are at zero there will be no sound through the amp. Standard tone controls give you a wide range of uber-musical sounds, while Deep, Mid Shift, and Bright switches let you fine-tune your tone to the situation.
Hit the Mellow button to engage smooth, warm, clean tones ? or punch it out to dial-in pure valve overdriven growl. From mellow '60s bass tone to growling '70s-style bass, straight through to thick and powerful modern tone, the CTM-100 covers a huge range of sonic ground. With a classic five valve preamp configuration and a fully-loaded power section consisting of 2 x KT88 output valves, the CTM-100 is easily up to the job of delivering it's powerful tones at small to medium-sized gigs night after night. Please contact us with any questions, prior to purchase. Some items may be special order or pre-order. But,as another member has pointed out,there seems to be some doubt over whether an adjustable bias mod can be carried out on the MkII Valvekings due to the TSI tube monitoring circuitry.ĭoes anybody know whether the bias mod can be done on this model,in the same or similar way that it can be done on the 'MkI' Valvekings or is it simply a no-go with TSI present? Have any of you guys successfully bias modded a MkII Valveking? Would be great to know.*Please Note - shipping times may be longer. I really like the built in attenuation features the MkII head has and they're great for home practice,so I'd like to maybe get another MkII head, but only if the vendor can check and guarantee they can send me one without that clean channel hum issue. It's not crazy loud,but it's there,and not even my buzzy 12 year old Marshall hums like this,so it's going back to the vendor. I've tightened all the inputs and swapped out the preamp tubes for recently acquired and known good tubes from a Marshall DSL401 I have laying around (which I loathe) and the hum is still there. Basically the clean channel hums like a #,even without a guitar connected,but the lead channel doesn't. I have owned a brand new Valveking MkII 100W head for around ten days now and it would appear to have grounding issues where the the clean channel is concerned. So this came up today while chatting with another forum member in a different post.
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