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  • Jazid's Avatar
    Today, 15:39
    Heater is pins 7&8, measure volts with valves in place. Worth getting it right as it could stress the trafo if it's designed for 6.3V filaments and...
    3 replies | 98 view(s)
  • Jazid's Avatar
    Yesterday, 22:29
    Jazid replied to a thread Where do you listen? in Blank Canvas
    Is this self-employed anonymous here? We're mostly the same, its the pleasure of listening in the slight time given that makes the memory so sweet....
    6 replies | 122 view(s)
  • Jazid's Avatar
    Yesterday, 22:25
    Jazid replied to a thread Pre amp matching in Blank Canvas
    OMG! Until the end of the world? I only have 12 minutes left... Sent from my GT-I9195 using Tapatalk
    30 replies | 689 view(s)
  • Jazid's Avatar
    Yesterday, 21:35
    Jazid replied to a thread Pre amp matching in Blank Canvas
    Time to check the valves I think Sent from my GT-I9195 using Tapatalk
    30 replies | 689 view(s)
  • Jazid's Avatar
    Yesterday, 09:21
    Jazid replied to a thread Pre amp matching in Blank Canvas
    As far as I can see from what's written above, the input level your power amp isn't unusual. That's why I wondered about the valves in the amp. If...
    30 replies | 689 view(s)
  • Jazid's Avatar
    19-05-2018, 07:09
    Jazid replied to a thread Pre amp matching in Blank Canvas
    Ok, Chevron is off my radar but the Pioneer would be up to the task. Are you sure the tubes in the power amp are all sound? Sent from my GT-I9195...
    30 replies | 689 view(s)
  • Jazid's Avatar
    19-05-2018, 07:00
    Jazid replied to a thread optimum gain setting in Analogue Art
    No experience of the cart but on paper a 10:1 will give near ideal impedance matching, a 15:1 will give near ideal gain, assuming standard 47k mm...
    8 replies | 150 view(s)
  • Jazid's Avatar
    19-05-2018, 06:55
    Jazid replied to a thread Pre amp matching in Blank Canvas
    I think you need to take the source into account as well mate. If it has a low output then an active will be required, if it's powerful then a...
    30 replies | 689 view(s)
  • Jazid's Avatar
    18-05-2018, 20:26
    Jazid replied to a thread Wtd: pre amp in Private Exhibitions
    That's why you need excess gain, cos of the quiet bits. I'd say a standard pre should see you through nicely. What makes a stonker for three...
    12 replies | 335 view(s)
  • Jazid's Avatar
    18-05-2018, 05:58
    Jazid replied to a thread Static electricity in Blank Canvas
    Try wearing no shoes and see if that helps, or provide an earth point that you can touch next to the kit so you can discharge through it before...
    19 replies | 350 view(s)
  • Jazid's Avatar
    17-05-2018, 06:38
    Jazid replied to a thread Another 'binary' test. in Blank Canvas
    Likewise on my phone, a weird noise as if an American bloke was affecting a fake 'Queen's English' accent. Doesn't sound like either Laurel or Yanny,...
    34 replies | 724 view(s)
  • Jazid's Avatar
    15-05-2018, 06:41
    Just a quick net nanny warning for anyone new to using isopropyl alcohol: It evaporates easily from solution and the vapour is highly flammable at...
    18 replies | 781 view(s)
  • Jazid's Avatar
    14-05-2018, 19:47
    Fab, I've been thinking about one of these for years, perhaps stick the links up here for ease of reference? I am curious about a couple of...
    18 replies | 781 view(s)
  • Jazid's Avatar
    07-05-2018, 20:11
    Jazid replied to a thread Turntable weight in Analogue Art
    I'd try a half kilo spool of solder first. Will do much the same for your record and for no money (if you have one lying around), and if it's 'night...
    14 replies | 599 view(s)
  • Jazid's Avatar
    07-05-2018, 12:21
    Very nice! And good move IMHO :) Sent from my GT-I9195 using Tapatalk
    66 replies | 1637 view(s)
  • Jazid's Avatar
    07-05-2018, 09:06
    Yay! It's a crying shame to shift something so uncommon, and which will only get rarer, and here they are now being used for exactly what they were...
    30 replies | 1197 view(s)
  • Jazid's Avatar
    06-05-2018, 09:57
    Power to this chaps elbow, he's seventy quid richer than me. Other than that it's the same service. :) Having read the blurb on his website - for...
    30 replies | 1197 view(s)
  • Jazid's Avatar
    05-05-2018, 16:54
    I'd assumed that was what was happening, Hashimoto into Vida into Truth... Either way the dc doesn't look like coming from that end of things. ...
    66 replies | 1637 view(s)
  • Jazid's Avatar
    05-05-2018, 16:44
    Those figures (assuming 0-2mV) aren't scary and are ordinary enough for kit at start up. I'd say you have found that the Vida isnt the obvious...
    66 replies | 1637 view(s)
  • Jazid's Avatar
    05-05-2018, 14:47
    What about the phone idea? Costs nothing (if you have a smart phone), just a simple cable. At least you will know the power amp is working fine and...
    66 replies | 1637 view(s)
  • Jazid's Avatar
    05-05-2018, 14:04
    Checking the Vida is just prudence. Quite possibly the Opus could have had a drying capacitor when sold but any dc was stopped by the sellers kit...
    66 replies | 1637 view(s)
  • Jazid's Avatar
    05-05-2018, 12:08
    You've got a lovely kit list, its not a disaster, just a compatibility problem. Once again I suggest that you get the Truth out of the system for...
    66 replies | 1637 view(s)
  • Jazid's Avatar
    05-05-2018, 10:02
    Even better, and don't forget to turn the volume right down on the phone first! Sent from my GT-I9195 using Tapatalk
    66 replies | 1637 view(s)
  • Jazid's Avatar
    05-05-2018, 09:08
    I am horrified to read that your preamp will output 10V dc if it isn't connected to a source (I am wondering if that mightn't be load) . What if the...
    66 replies | 1637 view(s)
  • Jazid's Avatar
    04-05-2018, 22:50
    I wouldn't get too exercised Adrian, it's most likely that summat went/was wonky in the amp which has now been fixed, and nothing more. The amp has a...
    66 replies | 1637 view(s)
  • Jazid's Avatar
    04-05-2018, 16:55
    If you know of anyone with an oscilloscope then it might be worth looking for ultrasonics which might be there as Andrew has suggested? It seems a...
    66 replies | 1637 view(s)
  • Jazid's Avatar
    04-05-2018, 12:19
    It might indeed! It would help to know what pre it is, otherwise we all go round in circles. Also do the Jfets occur after the input tube, or is it a...
    66 replies | 1637 view(s)
  • Jazid's Avatar
    03-05-2018, 21:22
    Sounds like the pre is behaving itself. Panic over :) Sent from my GT-I9195 using Tapatalk
    66 replies | 1637 view(s)
  • Jazid's Avatar
    03-05-2018, 20:43
    No! The cap goes in series with the output. Edit: not aimed at Firebottle :) Sent from my GT-I9195 using Tapatalk
    66 replies | 1637 view(s)
  • Jazid's Avatar
    03-05-2018, 19:04
    Another possibility is a knackered output cap on the preamp (or input cap on the amp...) allowing dc into the amp. Wouldn't it need a fair level of...
    66 replies | 1637 view(s)
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