| Author: | mhelyar86 (registered user: 1025 posts ) |
| Date: | Wed, May 02nd, 2012 @ 10:13 ( . ) |
Thanks stringbend, Reading up on the physical differences in mounting [link] , as well as Merlin's Reverb driver article [link] which I just remembered about. I might get a 8CB3C1C, which I think mounts on the side, i.e. the front wall of the amp head cab. I could mount it there regardless of which way up I put the chassis. From what I've read, thats more likely to be able to mount the wrong way up, as the magnets have not been offset one way or the other in the cores to compensate for gravity, whereas mounting a B type in the A type position means the compensation adds to rather than offsets the effect of gravity... It's input impedance means I could (according to Merlin) drive it with an SRPP, although I'm a bit nervous about and tweaking the design to provide the right drive, and the right frequency response without overdriving the SRPP. It would be nice to do it without a reverb transformer taking up space and possibly introducing extra noise, and if I can avoid feeding its HT off the 6V6 screen supply as per the Fender/California Dreamer schematic, that'd help my power supply and ground schemes. I wonder if Merlin has tried that SRPP reverb driver circuit out and could comment on how successful it is. I'm a bit worried about the hum issue you mentioned too... perhaps if I mount on the front panel while having a toroidal PT laying down and the OT in the middle of the amp away from the transducers, that might help things. |
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