Members megadan Posted September 6, 2006 Members Share Posted September 6, 2006 I was under the impression that Peavey only made two all tube heads: the Alphabass and the Classic 400. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=330025326870&ssPageName=ADME:B:WNA:US:12 It looks fake, but it's from someone with 100% feedback, and who would go to the trouble to fake a Peavey amp? But if it's real, don't bid on it, I'm the King of cheap tube amps :mad: :D Link to comment Share on other sites More sharing options...
Members Anesthesia Posted September 6, 2006 Members Share Posted September 6, 2006 Damn my inabilty to acess eBay! I have a feeling that could be the one I saw at a local music shop, but I couldn't tell without seeing it. Link to comment Share on other sites More sharing options...
Members ToeJamFootball Posted September 6, 2006 Members Share Posted September 6, 2006 looks sweeti would buy it if i could. Link to comment Share on other sites More sharing options...
Members B-Bottom Posted September 6, 2006 Members Share Posted September 6, 2006 I've never seen anything like that before. Interesting. I'm curious what it ends up going for Link to comment Share on other sites More sharing options...
CMS Author Craig Vecchione Posted September 6, 2006 CMS Author Share Posted September 6, 2006 This part is weird: "and rated at 120 watts into 8 ohms, 175 watts into 4 ohms, and 200 watts into 2 ohms" I know of no tube amp with an output transformer that has differing output into different impedance loads. It's obviously got an output xformer, and it has no impedance switching. Link to comment Share on other sites More sharing options...
Members oldivor Posted September 6, 2006 Members Share Posted September 6, 2006 Originally posted by Craigv This part is weird:"and rated at 120 watts into 8 ohms, 175 watts into 4 ohms, and 200 watts into 2 ohms"I know of no tube amp with an output transformer that has differing output into different impedance loads. It's obviously got an output xformer, and it has no impedance switching. +1 Link to comment Share on other sites More sharing options...
Members megadan Posted September 6, 2006 Author Members Share Posted September 6, 2006 Originally posted by Craigv This part is weird:"and rated at 120 watts into 8 ohms, 175 watts into 4 ohms, and 200 watts into 2 ohms"I know of no tube amp with an output transformer that has differing output into different impedance loads. It's obviously got an output xformer, and it has no impedance switching. I as well noticed that, which was what made me wonder. But maybe he just doesn't understand tube amps... Link to comment Share on other sites More sharing options...
Members megadan Posted September 6, 2006 Author Members Share Posted September 6, 2006 Ok, this is interesting. Peavey has a manual for this amp. And, it does indeed claim those changing power ratings. Odd. They mention some sort of switching system on the speaker jacks, is it possible that the jacks could automatically switch output taps, which are (???) rated for different amounts of power http://www.peavey.com/search.cfm?c=3&term=vta Link to comment Share on other sites More sharing options...
CMS Author Craig Vecchione Posted September 6, 2006 CMS Author Share Posted September 6, 2006 Originally posted by megadan Ok, this is interesting. Peavey has a manual for this amp. And, it does indeed claim those changing power ratings. Odd. They mention some sort of switching system on the speaker jacks, is it possible that the jacks could automatically switch output taps, which are (???) rated for different amounts of power http://www.peavey.com/search.cfm?c=3&term=vta Yeah that makes even less sense..."the output impedance is approximately 2 ohms per pair of jacks". Huh???? Speakers have impedance, not jacks. So if I plug an 8 ohm speaker into the first jack, what does it mean? The output table lends more confusion....output increases until you get to 1 ohm where it drops back to the same output as with an 8 ohm load. Weird. Link to comment Share on other sites More sharing options...
Members megadan Posted September 6, 2006 Author Members Share Posted September 6, 2006 Very. According to this quite interesting little book apparently written by the founder of Peavey, the VTA 400 was the first all tube amp Peavey made, and the first amp to have overdrive! http://www.peavey.com/support/technotes/hartley/chapter_1.pdf (that is, selectable overdrive at low volumes. He goes on to explain how someone else then beat him to footswitchable distortion, which he should have thought of but didn't) Link to comment Share on other sites More sharing options...
Members Viggen Posted September 6, 2006 Members Share Posted September 6, 2006 Well, once I almost bought a Peavey Alphabass(all tube). According to the manual this amp had different outputs with different speakerloads. Verry similar to this VTA 400... Didn't buy it... Bought my Mesa a week later:thu: Link to comment Share on other sites More sharing options...
Members L. Ron Hoover Posted September 6, 2006 Members Share Posted September 6, 2006 The output transformer has a single secondary winding, no taps. That's the only way it will behave that way. The power amplifier must be set up such that the plate impedance is within the parameters of the tubes for a variety of load impedances. There is an optimal load impedance (in this case 2 Ohms) and any variation off that (up or down) will result in a decrease in output power. It's not an optimal implementation. Link to comment Share on other sites More sharing options...
Members L. Ron Hoover Posted September 6, 2006 Members Share Posted September 6, 2006 Originally posted by Viggen Well, once I almost bought a Peavey Alphabass(all tube). According to the manual this amp had different outputs with different speakerloads. Verry similar to this VTA 400... Didn't buy it... Bought my Mesa a week later:thu: The Alphabass I owned was rated for 160W into 4 or 2 Ohms, via two taps on the output transformer. As far as I can recall, they were all like that. Great sounding amp, but not loud enough. Link to comment Share on other sites More sharing options...
Members el_duderino676 Posted September 6, 2006 Members Share Posted September 6, 2006 If this were to go cheaply enough, I might have to find a way to obtain it... Link to comment Share on other sites More sharing options...
Members Thumper Posted September 7, 2006 Members Share Posted September 7, 2006 I like it. Mmm...Peavey tube goodness... Even with the oddball power rating specs. Link to comment Share on other sites More sharing options...
Members L. Ron Hoover Posted September 7, 2006 Members Share Posted September 7, 2006 I dunno, looks like a piece of crap to me..... Link to comment Share on other sites More sharing options...
Members Jazz Ad Posted September 7, 2006 Members Share Posted September 7, 2006 Pront pic says 400, back pic says 300. Link to comment Share on other sites More sharing options...
Members ToeJamFootball Posted September 7, 2006 Members Share Posted September 7, 2006 Originally posted by Jazz Ad Pront pic says 400, back pic says 300. weird. Link to comment Share on other sites More sharing options...
Members megadan Posted September 12, 2006 Author Members Share Posted September 12, 2006 Someone buy this, quick, and stop me from buying it! :o :mad: Link to comment Share on other sites More sharing options...
CMS Author Craig Vecchione Posted September 12, 2006 CMS Author Share Posted September 12, 2006 Originally posted by Jazz Ad Pront pic says 400, back pic says 300. That's early Peavey. There's a reason they earned a reputation that even the last ten years of excellent products hasn't shaken off. Link to comment Share on other sites More sharing options...
Members megadan Posted September 13, 2006 Author Members Share Posted September 13, 2006 Seriously, someone stop me from buying this Link to comment Share on other sites More sharing options...
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