Permalink. where is the wiring diagram for the Marshall mega stack? why do none of the wiring sites show the wiring for this amp? Reply Art: Art 127s Tube Mp Sch Art Tube Pre M3 Sch Art_310-art Series Base Amp-se515666a_ Rcf_art312a_se515644_a_sch : Art Pro Vla Schem Art315a_bass_amp Art_310a-filter Card-se515667a_ Rcf_art312a_se515644_b_sch : Art Sla1 Art315a_filter_card Rcf_art312a_se515639_a1_sch : Ashdown: Apc010x5 Schematic 2003 Ashdown_abm500_bass_magnifier_schem Ashdown Find great deals on eBay for marshall 4203. Shop with confidence. Skip to main content. eBay Logo: Marshall Amplifier Artist 30 model 4203 Combo Amp 1x12 Tube. Pre-Owned. $550.00. or Best Offer Ultimate Marshall Repair & Service manual Schematics 470 PDF manuals on DVD. Brand New. $15.02. Friday the 13th! 1986 Marshall Artist 4203 Discussion in 'Amp Central Station' started by Delta Blues, Sep 15, 2013. Page 1 of 2 1 2 Next > I'd jump all over an Artist if it worked at all. I've been looking for another head on and off when it suits my fancy, and they are getting really Up for sale here is a unique piece of Marshall history, a 1987 Model 4203 Artist 30 combo. Solid state preamp, tube phase inverter and tube power section. 30 watts from two EL34s, two channels and reverb. Includes footswitch and original manual, made in UK. The 1st Marshall 1961 Lead 45w 1962 Bass & Lead 45w (Bluesbreaker) 1963 PA 45w 1985 PA 45w 1986 Bass 45w 1987/T Lead 45w 1989 Organ 45w JTM-50 Series 4203 Artist 30w 4210 SplitChan Rev 50w 4211 Split/Chan Reverb 100w 4212 Split/Chan Reverb 50w Solid State Series 2078 Lead-100 100w Marshall 4203 Artist Combo Mods All Modifications are exclusive to Voodoo Amps® Greatly improved clean tones - more airy/chimey/open sounding & lush (Fender Twin) Restructure the gain - remove the fizzy/fuzzy/buzzy qualities & increase the gain/distortion ; I just received a Marshall Artist 4203 30W combo. It is in great condition, although there are a few small "hiccups" I am trying to correct. I have been attempting to locate an owner's manual, with no luck. BTW, I asked the Marshall company for info (twice), but did not receive a return e-mail. Download MARSHALL JCM800 ARTIST 30W 4203 service manual & repair info for electronics experts Service manuals, schematics, eproms for electrical technicians This site helps you to save the Earth from electronic waste! 28 Kemper profiles of a vintage Marshall Artist 4203 amp. 9 are the same settings with regular, merged and direct out versions. The last one is specially tweaked after profiling within the Kemper so a direct profile wouldn't match it for merging purposes. Hey guys I need advice/help with my Marshall artist 3203 head. A while ago I took it to Canton Music in canton, ohio to have it looked at and at that time they said it needed all new tubes, cleaned, biased and a new transformer.