Cant hear any downsides. -m17xr2b start bypassing capacitors (psu caps, output caps) with 1100th value film caps - Improves passage of different frequencies.Make sure you have a good soldering iron and multimeter.
Bottlehead Amp Schematics Crack Has AMy crack has a custom Sowter transformer 150V 150mA, 6.3V CT 4.5A, CLCLC with 3x50uF oil caps at the end, resistor loading and oil output caps, TKD pot, rechargable battery -6V bias and suitable plate loading.The other one is a more standard CLCRC with typical electrolytic caps, 100uF mundorf film at the end, film output, speedball, alps pot, using 2xL63.
Bass: Custom has an even low end response with far deeper low end when called for. Standard is mid bass tilted and may sound to have more quantity but less control especially in the. Most laser companies will accept.dwg files. Password is: tubesforthemasses Rough cost in GBP: Laser cut plate - 50 Chrome plate and transformer bell - 100 Custom sowter transformer - 210 (double and triple check mounting and holes on plate, adjust as needed) Jensen oil caps - 130 Jensen electrolitics 75 Mundorf outputs - 80 Black sockets from japan - 15 Dual spirit chokes - 40 Duelund wiring - 30 Nuts, bolts and things - around 20 Custom frame - free, had the parts from a different project but worth around 50 Wood chassis - free, made by my father Resistors - 40 (tried different values for tuning) TKD Volume pot with remote control - free, took it from the stellaris but worth 80 Audio Note RCA - 20 Aluminium volume knob - 15 GEC 6AS7G and BL63 - 500. I made this awful drawing myself so it should be fine to stay up. I have been asked for the c2a schematic privately by people who just want to know what the hell its doing and I feel that a lot more people do so that is why I made this. If you are coming here from somewhere else looking to make a clone be warned you are not going to get any help with it so you better know what youre doing. Also you are more likely better off just buying the kit if you dont own most of the parts already. Bottlehead Amp Schematics Mods Or YourThey put real effort into the quality of parts and chassis so it is good value, and if you ever want to get help with mods or your amp explodes you would have a support team. You also get the comprehensive step by step guide to build their kit. Any oddities with this schematic are either because the version of the c2a schematic I have is weird, or because I couldnt be fucked to do a good job drawing this. Bottlehead Amp Schematics Upgrade Your ExistingIf you wanna be super cool and upgrade your existing crack to a crackatwoa I can say right now youll need an extra transformer for the 6aq5 heaters. Again I wouldnt bother Doc or Paul with any of this because you probably arent going to get helped. Also the speedball by itself was a little muddled to my ears. Known mods part upgrades -Included BASIC impressionsreasoning behind each use CSD01060A diodes for the rectifier -No switching noise, better response. Slight sonic improvement and blacker background replace first (or all) 270R psu resistors with chokes (triad C7-X popular here) -Smoother DC. Paul Joppa says the last psu cap is about as important as output cap. As for replacing the other caps, I have noticed significantly smoother sound from doing so. Is stronger than MJE350, eliminates need for a heatsink in most cases (when doing current related modding etc) (note: pinout is different, so turn it around when you install it) use NiMH battery to bias 12au7 in place of LED - The difference is subtle but there. The first half of the frequency seems clearer, smother and because of it bass is more defined. Cant hear any downsides. Improves passage of different frequencies.
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