After isolating the problem, the team retreated to an undisclosed location and got to work developing a top-secret output transformer, successfully improving the midrange performance and mimicking the magical crushing tone of the best examples of the original series. For the Preamp, either go all JJ's or one Tung Sol in V1 and the rest JJ's (12AX7). 2023: The Year Epiphone Became Unaffordable. Stick for me Ethanb08 No one in particular Join date: Dec 2008 110 IQ #1 I've been looking into retubing my 6505+, mostly the preamp, I'm just trying to. These are not cheap amps and the bias is SO easy to set accurately that you owe it to yourself, your amp and your tone to, do it right! You don't need to measure the plate voltage you can simply bias EL34's, KT77's or 6L6's between 34 to 40mA. For some reason PV got it right and although the combo amps are also fixed bias they, are fixed MUCH warmer and we can supply you with power tubes that will get the bias between 38 to 42mA which is right where they belong with, If you check a stock 5150 100 watt or an Ultra plus 100 watt head using an oscilloscope and a signal generator which is the classic old school, method of biasing a tube amp, you can plainly see crossover distortion in the wave forms until you get to about 33 to 34 milliamps of plate current, then the sine waves look perfect. The 2 ohm load rating is very stable (this amp actually operates at less than 2 ohms), enabling the use of multiple mix and match speaker systems to improve acoustic efficiency and sound stage options. They have plenty of gain for a classic rock and early metal styles and they are well built, The 5150 and the 6505 are the same amps and they have an insane amount of gain in the preamp section. The small tubes are numbered from the end of the chassis: V 1-2-5-3-4. You are using an out of date browser. How old is my Peavey amp? As we mentioned above we had a pair of, Voodoo modded JSX heads in (pictured below) and the difference seemed to be that they were a little tighter in general than a stock JSX and the, definition was better in the mid and upper mid range which is what we expected from the Mercury Magnetics output tranny compared to the stock, unit. As for the tone? Marshall players seem to be most impressed. We put this combination together. On the FAQ the 5150/6505 is listed as this: Looking from right to left, the tubes are arranged as follows: #1 Input gain/2nd gain stage-shared by rhythm and lead #2 is shared by the rhythm and lead channel #3 and 4- additional gain, mostly for the lead channel #4- effects loop #5 phase splitter I also put a new speaker in but didn't take a video of that.. 16, 8, or 4 ohms (switchable) 5 x 12AX7 preamp tubes and 2 x 6L6GC power amp tubes. different and you will find plenty of players who love the 5150 II. Tubes of course have a wide variation of "random-ness", but that has been my personal experience. The, lead channel is just simply over the top, way over the top! They hold 180 patents,[4] and have a product range of around 2000 designs, with between 80 and 100 added each year. These are all fixed bias amps and need warmer grades of tubes to sound good. Peavey encourages players to experiment with their particular speaker cabinet, connectable via two-quarter-inch jacks, and adjust according to personal taste. It is air cooled, features protection circuitry, and is capable of around 300/350 watts RMS safely into 2 ohms. Products are manufactured mainly in China and the United States, and are distributed to 136 different countries. If you bias 6L6's in the EL34 mode then, have our own Eurotubes bias probes which can be used with any multimeter that will do this for 25.00 Here is a pic of a probe in one of the. and it was based on the Ibanez 3904 featuring nearly identical body shape and similar pickup layout. Although in many amps they are the same. Now the EL84's clear the, magnet by 1/8". This could be caused by a browser plugin, disabled javascript, Preamp tubes last longer than power amp tubes most of the time. The internal design is essentially identical to the vintage Marshall, with the exception of using a plate-fed tone stack instead of the Marshall-trademarked cathode-follower-based circuitry. on your browser. The mesa was exactually perfect.It now has a brighter, tighter sound.I totally love this amp now.The jj tubes were kinda muddy idk if they were just old or what but I didnt like them. The 5150 series was preceded by the VTM-60/VTM-120 amps, among the first "non-hotrodded" amps. usually pretty happy with the 5150 heads in stock trim, but players looking for warmth and anything near a decent clean tone will be left wanting. ( Note the clipped retainer halves sitting on the. So if youre looking for a tech to bias your amp. Running KT77's in the EL34 mode with a probe installed and the bias set to 36mA, the test points measured 45 volts. Here's the tube layout for a 5150II, note they are not in typical order. I recently bought this amp, Im not sure of the age but my friend bought it 2 years ago used and it still has the original ruby tubes in it. than the JJ KT77's and the mids are not as pushed. Peavey Electronics Reissues 6505 II Tube Amp, Peavey Electronics (@peaveyelectronics) Instagram photos and , John Bohlinger Plays The Beatles on a Lava ME3, Building a Pro-Level Home-Studio Mic Closet, DAngelico Guitars Introduces Deluxe Eric Krasno Brighton Signature Model, Free Pedal Giveaway: Electro-Harmonix Mod 11. The 55 volts that Peavey recommends, at the test points for 6L6GC's is on the other hand, on the cool side but using the test points is so completely inaccurate we simply cannot. If your looking for Pawn shop treasures make sure you keep your eyes open for the discontinued Rockmaster preamps and the little Classic 20. The TNT Series bass amplifier first entered the market in the late 1970s as a 45-watt combo with one 15-inch speaker. 6505 II Tube Head Guitar Amplifier Peavey's classic high-gain legacy continues with the 6505 II. We get calls and emails all the time from players who sold or, traded their original 5150's off for the 5150 II or 6505+ and the question is always, "how do I get my 5150 II or 6505+ to have the balls my 5150, had?" A truck carrying hydrogen tubes caught fire and sent gas leaking, forcing about 500 people to evacuate in Diamond Bar. JavaScript is disabled. There is no farthest away from the powertubes they are parallel to the preamp tubes. Put the "noisiest" tubes in V4 and V6. The current line of Classic series amplifiers consist of three variations of the "Classic" model, the Classic 30 112, Classic 50 212 and 410. The changes over the years resulted in a midrange quality that varied from amp to amp. If. Each channel sports a 3-band EQ for tone shaping, with separate Presence and Resonance controls to further dial in the punch through the single 12" Sheffield speaker. We have discussed this multiple times here. Peavey currently owns 1,500,000 square feet (140,000m2; 34 acres) of manufacturing/assembly area over 33 facilities across North America, Europe and Asia, 18 of which are located in Mississippi. A few weeks went by and, curiosity got the best of us. The 5150/6505 has no bias adjustment. The JSX series was designed for Joe Satriani. Sell on Amazon Use the button below to let us know you are a real customer, and we'll send you on your way The 400 BH power amp module was used in a range of bass amps during the early 1980s, commencing with the MKIII Bass Head in 1979. Rounded out by a genuine spring reverb, the 6505+ 112 Combo has everything you'll need to satisfy the most metal tone-tastes. Good customers like you can be blocked sometimes because of something suspicious interfering Footswitchable lead/rhythm channel select. Bob has one of each of these in his collection. All, that's necessary is to replace that resister with a 6.8K 1/4 watt resister which will increase the window of available bias adjustment. In 2014, Peavey closed its UK distribution and manufacturing operations, citing that while the UK facility was originally a manufacturing plant, the lower cost and advanced techniques of Chinese manufacturing deemed it unsustainable. 120-watt, 2-channel Tube Head with 3-band EQ, Resonance and Presence Controls, Pre Gain and Post Gain Controls, Crunch Boost, Bright Switch, Effects Loop, and 3-button Footswitch, 120-watt, 2-channel Tube Head with 3-band EQ, Resonance and Presence Controls, Pre-Gain and Post-Gain Controls, Crunch and Bright Switches, Effects Loop, and 2-button Footswitch, 20/5/1-watt Tube Guitar Amplifier Head with 2 Channels, 3-band EQ, Direct Out, Effects Loop, Reverb, USB, and Headphone Out, 50-Watt Mono/25-Watt Stereo, 8/16-ohm, 2x12" Convertible-back Speaker Cabinet, 240-watt, 16-ohm, 4 x 12" Closed-back Cabinet with Sheffield Speakers, Recessed Handles, and Heavy-duty Casters, 25-watt, 16-ohm, 1x12" Convertible-back Speaker Cabinet, 240-watt, 16-ohm, 4x12" Closed-back Speaker Cabinet, 120-watt, 2-channel Tube Head with 3-band EQ, Resonance and Presence Controls, Pre Gain and Post Gain Controls, Crunch Boost, Bright Switch, Effects Loop, 3-button Footswitch, and 240-watt, 16-ohm, 4 x 12" Closed-back Cabinet with Celestion Vintage 30 Speakers, Recessed Handles, and Heavy-duty Casters, 20W Tube Electric Guitar Amplifier Head and 120W 2 x 12" Extension Speaker Cabinet Bundle, 20W Tube Electric Guitar Amplifier Head and 25W 1 x 12" Extension Speaker Cabinet Bundle, 20/5/1-watt Tube Guitar Amplifier Head with 2 Channels, 3-band EQ, Direct Out, Effects Loop, Reverb, USB, Headphone Out, and 25-watt, 16-ohm, 1x12" Convertible-back Speaker Cabinet, Happy customers, one piece of gear at a time! You might have an input jack that isn't shunting. Exclusive deals, delivered straight to your inbox. 6505mh ultimate tube layout for killer tone! Im thinking one is going bad cuz i get some microphonic noise. [citation needed] Satriani was looking for an amplifier that was customized to his style, had every feature he required, and would work in both live and studio applications. The mod consists of a split dual bias. When you test again hit the input jacks with the handle of a screwdriver, hitting the jack might close the connection and silence the amp. Hi guys, I'm having a little trouble with my brand new Peavey 6505+. You also get an effects loop, Accutronics reverb, and even a direct recording output with mic simulation. on your browser. Like most retailers, we use advanced software to protect your security and personal ", "Peavey Builds Legacy of Innovation with USA Made HP2 Guitar", "After another controversy, is it still worth it for companies to be on 'Undercover Boss'? If I am in the minority, then I apologize. Circuit board layout is conservative, easy to access, repair or modify. The XXX has the, damping feature on the rear panel but we have found that the tight and medium settings are pretty useless for a big full sound, so you guys that, have never tried the loose setting you should give it a shot. It was originally made as a signature amp for Eddie Van Halen. [13] Peavey Electronics, citing global competitive pressures, partially closed down the same plant featured in the episode. This is a stock 5150! The 6505 II reissue is true to form cosmetically and sonically, going as far as returning to plexiglass in the front. The TNT series was recently updated to 600 watts, under the title Peavey Tour TNT 115. The changes over the top, way over the top, way over top! A tech to bias your amp tubes are numbered from the powertubes they not. 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