Discussion in amps and cabs started by lullabies, apr 16, 2015. Marshall valvestatevs65r no speaker output all about circuits. I probably should have taken it back to the store, but i was busy at. By providing the warmth, feel, responsiveness and sheer musicality of a valve amp without involving the cost and weight, valvestate has placed the classic marshall sound in the hands of thousands of. Marshall diagrams, schematics and service manuals download for free. Marshall amplification valvestate vs230r handbook pdf. Infos sur ampli combo guitare marshall valvestate 8240. I know that there are some valvestate models that had issues with the circuit board traces, although thats probably not the issue with yours. Valvestate vs230r musical instrument amplifier pdf manual download. Valvestate is able to do this by simulating the performance of a valve power stage. The 8200 is from marshalls valvestate line, which was introduced. Hi fractalites, i might have the option of getting a super cheap marshall 8008, as i am selling the mesa 2020 now as i dont want the unreliability of valves in my rig now, they have a linear mode which has tempted me, so my question is are they any good for powering an axe. By providing the warmth, feel, responsiveness and sheer musicality of a valve amp without involving the cost and weight, valvestate has placed the classic marshall sound in the hands of thousands of waiting guitarists the world over. Marshall amplification valvestate 8100 handbook pdf download.
Marshall valvestatevs65r no speaker output all about. If youre not familiar with it, the valvestate vs265 is a twochannel 65watt combo amplifier with reverb and chorus. Valvestate 8100, valvestate 8080, valvestate 8240, valvestate 8280, valvestate 8200. This may be something obvious i am overlooking but i am buying a egnater rebel 20 and am looking at turning my old marshall valvestate 8240 into my cab. Also some files are djvu so you need djvu viewer to open them.
I have good signal at the line out, fx out and headphone out. Back then i noticed a 60 hz hum in the clean channel that was totally absent when using the overdrive channel. I own a marshall valvestate vs65r that i purchased new back in the late 90s. I have a marshall valvestate vs265 and ive opened it to replace some potentiometers, but when i opened it i broke a black ring magnet or something. Marshall amplification valvestate 8240 pdf user manuals. Marshall amplification is a british company that designs and manufactures music amplifiers, speaker cabinets, brands personal headphones and earphones, and, having acquired natal drums, drums and bongos.
Using bipolar devices in models 8010, 8020, 8040, 8080, 8100 and 8240 and mosfet devices in models 8280 and 8200 in a new. Documents, presets, manuals marshall 8240 valvestate s80 stereo. Diagnosis of marshall 8100 valvestate head problems all. View online or download marshall amplification valvestate 8240 handbook. Marshall tube amp schematics, hoffman amps tube amp schematic library marshall schematics. Made of weatherresistant vinyl and features the marshall logo in bold. I own this little amp, marshall valvestate vs15 for over 10 yrs now, and theres need for speaker upgrade. Demo del amplificador marshall valvestate 8240 equipamiento usado. Marshall avt50 1x12 valvestate guitar combo amp used in good condition. Whatever your style of guitar playing, marshall valvestate.
Volume control controlling the overall level of the boost channel, and 8200. Marshall valvestate 2000 avt50 2channel 50watt 1x12 reverb. Mar 23, 2009 hi fractalites, i might have the option of getting a super cheap marshall 8008, as i am selling the mesa 2020 now as i dont want the unreliability of valves in my rig now, they have a linear mode which has tempted me, so my question is are they any good for powering an axe. It was founded by drum shop owner and drummer jim marshall, and is now based in bletchley, milton keynes, buckinghamshire marshalls guitar amplifiers are among the most recognised in the. The problem is the fact that i have zero experience in buying amps, let alone second hand ones. I had to do a plumbing service call at a pawn shop today. The previous owner po offered us the amp, but asked us to name the price. Produced by marshall in the late 80s and 90s, the valvestate series had a valve in the pre amp section but was solid state in the power amp. Free marshall diagrams, schematics, service manuals. For many years, the name marshall has been amongst the. View and download marshall amplification valvestate vs230r handbook online.
Lately ive been checking some second hand stores in my town for a much needed amp upgrade. Keep in mind the cab is smaller than the typical marshall cab so if you put a full size marshall head on it it will hang over on both sides. Gain controlthis controls the level of gain on the normalchannel. Here you will find our collection of marshall schematics.
One of the shops sells a marshall valvestate 8080 for 90. The marshall covr00008 cover is durable and made to fit perfectly a marshall vs amp head. To open downloaded files you need acrobat reader or similar pdf reader program. If there is a failure the circuit gives t16 a signal to turn down the volume to protect the speaker. I brought it home and hosed it down with contact cleaner. Marshall amplification valvestate vs230r handbook pdf download. Probably not the all out best amp for hard rockmetal. I did the first proper gig with my new band last week, and used my good ol marshall 8240, firstgeneration valvestate stereo chorus. Inspecting the preamp main board i noticed two fets are missing heat sinks and are extremely hot to touch. Please read this instruction manual carefully before switching on. It isnt loud enough to make the amp unusable, but it is loud enough to be annoying. New improved version 470 service schematics files in pdf. Marshall valvestate 8240 stereochorus free download as pdf file.
In addition, some files are archived, so you need winzip or winrar to open that files. Do you have a marshall guitar or bass tube amp that needs repair or modifications. Marshall amp schematics to assist you with your amplifier repairs and modifications. Hey mike, i just repaired a marshall valvestate 265 with the same issue. Marshall 8240 valvestate s80 stereo chorus 8240 valvestate s80 stereo chorus, hybrid combo guitar amp from marshall in the valvestate i series. Marshall tube amp schematics, hoffman amps tube amp schematic library. It was founded by drum shop owner and drummer jim marshall, and is now based in bletchley, milton keynes, buckinghamshire. Aug 25, 2011 if youre not familiar with it, the valvestate vs265 is a twochannel 65watt combo amplifier with reverb and chorus. Valvestate musical instrument amplifier pdf manual download. Marshall 8020, valvestate 20, 20 watt guitar amplifier, reverb. Marshall valvestate vs amp head cover musicians friend. Marshall stereochorusrev 2x40w 8240 schematic marshall. After checking power supply, bridge rectifier, etc. Note that the circuit is an inverting opamp, it will need an input resistor to define gain, and preferably a buffered input to prevent source impedance from interacting with the gain.
I had a problem with a marshall 8100 valvestate head, blowing fuses. I plugged it in and it worked but, all of the pots were dirty and it was popping and cracking. It was immediately nicknamed marchmal by the soundman, which translates roughly into works bad. Marshall you will find on this page the manuals and instructions for use for musical instruments, marshall pa equipment. Marshall valvestate 2000 avt50 electric guitar amplifier 50w for sale. It is a 40 watt combo and has 2 channels to switch between, along with the standard gain, treble, mid, and bass. Marshall valvestate 2000 avt50 2channel 50watt 1x12.
Whatever your style of guitar playing, marshall valvestate will give you the edge. All of these pdf files are available for free download. This in effect created a hybrid, valvestate amplifier that delivered traditional marshall tone in a more robust format. The valvestate technique was to put a single 12ax7 valve into the preamp section of the amplifier while retaining the solidstate technology in the rest of the amp. May 30, 2010 in this episode of the repair bench we are troubleshooting a marshall valvestate 8200 amplifier head that we purchased used.
Marshall valvestate vs100 solid state combo guitar amp. Dec 04, 2015 demo del amplificador marshall valvestate 8240 equipamiento usado. Oct 01, 2009 diagnosis of marshall 8100 valvestate head problems home. Marshall amplification valvestate handbook pdf download. The sound remains clean up to half way,then turns to slight distortion.
This handbook covers the valvestate guitar amp and combo range and has been compiled to help you to get the best from your amplifier. This affordable cover will keep your gear looking great for years. Anyone had experience with a valvestate 8240 combo. View and download marshall amplification valvestate handbook online. It has 2 eminence 12 speakers and 40 watts per channel. Primarily this amp serves as my monitor i connect my rocktron utopia directly into pa and its 8 speaker doesnt. Marshall valvestate8240 sch service manual download. Marshall schematics tube amp schematics el34 world. Its loaded with small magnet low priced celestions g12l35, not the typical 1960 large magnet speaker.