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Post by Ward on Jul 20, 2023 10:48:49 GMT -6
I'm so curious about these. They look classy and the AT Fairchilds are serious business. Looking forward to your testing and impressions! I'm starting to form an opinion. Tracked all day today so just some vocals then I'm done! The preamp is what I would describe as full range. The low-end is insain and the topend extends in a very tube-pleasing way. Fat is another word that comes to mind. Is it too much to ask for a fracking preamp with variable impedance from 600 to 30,000 Ω  Seriously. That's the ONE control you could use that has more impact on gain and tone with MANY microphones than any other. Why is it so elusive? Everyone knows what varying impedance can do. It is magic. |
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Post by seawell on Jul 20, 2023 11:42:59 GMT -6
I'm starting to form an opinion. Tracked all day today so just some vocals then I'm done! The preamp is what I would describe as full range. The low-end is insain and the topend extends in a very tube-pleasing way. Fat is another word that comes to mind. Is it too much to ask for a fracking preamp with variable impedance from 600 to 30,000 Ω Seriously. That's the ONE control you could use that has more impact on gain and tone with MANY microphones than any other. Why is it so elusive? Everyone knows what varying impedance can do. It is magic. This reminds me of how bad I wanted a Groove Tubes Vipre back in the day. I never got ahold of one. I later got the Atlas Pro Audio Juggernaut with its variable impedance of 300 to 10,000 ohms. That’s a great preamp designed by Tim Farrant from Buzz & Nathan Elred. www.atlasproaudio.com/search.php?search_query=juggernaut |
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Post by chessparov on Jul 20, 2023 11:53:02 GMT -6
Been tempted by the ISA One now and then...
Chris
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Post by thehightenor on Jul 20, 2023 13:11:02 GMT -6
I'm starting to form an opinion. Tracked all day today so just some vocals then I'm done! The preamp is what I would describe as full range. The low-end is insain and the topend extends in a very tube-pleasing way. Fat is another word that comes to mind. Is it too much to ask for a fracking preamp with variable impedance from 600 to 30,000 Ω Seriously. That's the ONE control you could use that has more impact on gain and tone with MANY microphones than any other. Why is it so elusive? Everyone knows what varying impedance can do. It is magic. I have a CL-Z Cloudlifter it goes from 150 to 15,000 Ω. It's not as useful with Ribbon and dynamic mics as I thought it would be - they all had a fairly std sweet spot and if I went to anything to far from the norm they just sounded "odd" but perhaps "odd" is good sometimes? Love the Cloudlifter part though - it's great to have that boost before the pre. |
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Post by matt@IAA on Jul 20, 2023 14:45:37 GMT -6
I'm starting to form an opinion. Tracked all day today so just some vocals then I'm done! The preamp is what I would describe as full range. The low-end is insain and the topend extends in a very tube-pleasing way. Fat is another word that comes to mind. Is it too much to ask for a fracking preamp with variable impedance from 600 to 30,000 Ω Seriously. That's the ONE control you could use that has more impact on gain and tone with MANY microphones than any other. Why is it so elusive? Everyone knows what varying impedance can do. It is magic. Just remove the load resistor on the input transformer and wire in a 1meg pot with a series resistor. Ta da. |
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Post by prene1 on Jul 20, 2023 17:38:53 GMT -6
Well time too see if it’s a keeper or she’s leaving.
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Post by plinker on Jul 21, 2023 12:27:00 GMT -6
NoiseAsh Ruletec Heritage Pro
Wow!
...inspired by the thread from 2 years ago.
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Post by plinker on Jul 21, 2023 13:33:03 GMT -6
Look! My new(ish) mic found a new friend!! Matched by the man, himself. Just received -- I'm about to take them for a spin.  |
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Post by sean on Jul 23, 2023 9:27:15 GMT -6
I bought a ridiculous lot of amps. Ampeg B-12-XTC, Ampeg V4 with two 4x12”, Ampeg B25 with 2x15””, Ampeg GV-15, Traynor YBA-1 with matching 1x18”, Ampeg V-4B folded horn cabinet, and a tube Gibson Thor
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Post by smashlord on Jul 23, 2023 14:43:20 GMT -6
'69 Marshall Tremolo 50W
'65 Deluxe Reverb
'60 Supro Supreme
'75 Telecaster
Mesa OS 4x12
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Post by Ward on Jul 23, 2023 17:50:58 GMT -6
Is it too much to ask for a fracking preamp with variable impedance from 600 to 30,000 Ω Seriously. That's the ONE control you could use that has more impact on gain and tone with MANY microphones than any other. Why is it so elusive? Everyone knows what varying impedance can do. It is magic. Just remove the load resistor on the input transformer and wire in a 1meg pot with a series resistor. Ta da. So you could do that, that easily? You should incorporate it into a design of yours! Or offer it as an option. What range could you create with that simple mod? |
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Post by chessparov on Jul 23, 2023 17:58:59 GMT -6
Free range?  Chris |
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ericn
Temp
Balance Engineer
Posts: 16,036 
Member is Online
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Post by ericn on Jul 23, 2023 18:24:18 GMT -6
Free range? Chris No Amana ! |
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Post by gravesnumber9 on Jul 23, 2023 21:15:45 GMT -6
'69 Marshall Tremolo 50W '65 Deluxe Reverb '60 Supro Supreme '75 Telecaster Mesa OS 4x12 Love those old Supros. Quite a spree you got going there! |
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Post by matt@IAA on Jul 24, 2023 7:56:39 GMT -6
Just remove the load resistor on the input transformer and wire in a 1meg pot with a series resistor. Ta da. So you could do that, that easily? You should incorporate it into a design of yours! Or offer it as an option. What range could you create with that simple mod? depends on the ratio of the input transformer. the load the mic sees is the secondary load divided by the square of the turns ratio. if it is for example a 1:8 (pretty typical) then you divide the load resistor value by 8*8 or 64. so if you wanted to go from 600 to 30k you'd use a 38k resistor (38k / 64 is close enough to 600 ohms) for the minimum, and a 1Meg pot gets you up to 16k at max. Not sure you're going to see much difference above that, but use a 5Meg to get to 78k. but yeah, it wouldn't be hard. it would take more time to take apart the case and drill the face plate for the pot than it would do actually solder the stuff together. |
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Post by Ward on Jul 24, 2023 9:43:06 GMT -6
So you could do that, that easily? You should incorporate it into a design of yours! Or offer it as an option. What range could you create with that simple mod? depends on the ratio of the input transformer. the load the mic sees is the secondary load divided by the square of the turns ratio. if it is for example a 1:8 (pretty typical) then you divide the load resistor value by 8*8 or 64. so if you wanted to go from 600 to 30k you'd use a 38k resistor (38k / 64 is close enough to 600 ohms) for the minimum, and a 1Meg pot gets you up to 16k at max. Not sure you're going to see much difference above that, but use a 5Meg to get to 78k. but yeah, it wouldn't be hard. it would take more time to take apart the case and drill the face plate for the pot than it would do actually solder the stuff together. You realize that this is a killer idea and sales feature, right? Act on it, Matt! I suggest taking the QPP/QP5 as your platform and activating the range with a push pull pot on the front where when 'in' it's in bypass and pulled out the knob can swing between the ranges you spoke of and creates a ribbon mode. FWIW, the ribbon mode on the Grace M101 is gold. I would love to see you offer the same. Everyone here and purple people know how much I love your QP5 preamp! And I am far from alone in that. $100,000 free tip.  |
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Post by Ward on Jul 27, 2023 15:48:57 GMT -6
Just got my second Telefunken M80 (this time a short version for easier snare drum positioning) installed! The Electro-voice RE320 is on the way . . . I'll put it up against the stalwart kick mic, the RE27. If it wins out, I'll be amazed. Newly acquired and en route: A Stam SA87T (thanks to paulcheeba my new pusher man) and a brand new 1178 clone.  |
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Post by recordingengineer on Jul 27, 2023 16:56:26 GMT -6
Is it too much to ask for a fracking preamp with variable impedance from 600 to 30,000 Ω Seriously. That's the ONE control you could use that has more impact on gain and tone with MANY microphones than any other. Why is it so elusive? Everyone knows what varying impedance can do. It is magic. My friend’s tube preamp prototype he’s been slowly developing and we’ve slowly been playing with has that! We’re getting together again tonight… Maybe he’ll finally let me get a picture at least! |
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Post by Bat Lanyard on Jul 27, 2023 17:34:32 GMT -6
Stam 87T (thanks, RGO crack dealers) and had the pleasure of speaking with Steve Firlotte a bit ago about repairing the used Tree Audio Stem that came bashed to shit via UPS off of Reverb (see 'verb thread). I really want to keep it and hate seeing a piece of art so messed up. Looking forward to having Steve get her back up and may end up with a custom front panel color for it which would be tits.
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Post by Ward on Jul 27, 2023 17:43:40 GMT -6
Is it too much to ask for a fracking preamp with variable impedance from 600 to 30,000 Ω Seriously. That's the ONE control you could use that has more impact on gain and tone with MANY microphones than any other. Why is it so elusive? Everyone knows what varying impedance can do. It is magic. My friend’s tube preamp prototype he’s been slowly developing and we’ve slowly been playing with has that! We’re getting together again tonight… Maybe he’ll finally let me get a picture at least! I insist you keep me informed about this!! wardpike@gmail.com should work any time - email and iMessage |
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Post by paulcheeba on Jul 27, 2023 22:43:20 GMT -6
Stam SA 609, 87-T’s another Fatso EL7 to replace the jr one I sold for peanuts.
2 AKG 414’s & a 412 with good brass capsules. All bargains.
Dangerous Liason.
Another Brauner VM1 that sounds nothing like the other. Dirk will furnish me with a replacement first generation capsule as long as I send it back. I like the Haun so I have no choice but it seems Brauner are gearing up….,
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peezy
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Post by peezy on Jul 28, 2023 0:02:17 GMT -6
After finally deciding between Bla bluey and Vintage audio M76 I picked up a M76 1176 unit. Just bought a tegeler Vtc vari- mu after selling my weight tank I need some more vari-mu in my life.
Also a very cheap symetrix 501 (not the toggle switch one) and a furman Lc3 compressor dirt cheap as well. Yes I went dumpster diving on the last two but I paid less then $100 for both.
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Post by timcampbell on Jul 28, 2023 10:01:46 GMT -6
A pair of NOS Neumann Berlin M7's
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Post by chessparov on Jul 28, 2023 12:13:04 GMT -6
Wow! They look great.
Who makes them?
Chris
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Post by chessparov on Jul 28, 2023 12:14:31 GMT -6
Is it too much to ask for a fracking preamp with variable impedance from 600 to 30,000 Ω Seriously. That's the ONE control you could use that has more impact on gain and tone with MANY microphones than any other. Why is it so elusive? Everyone knows what varying impedance can do. It is magic. My friend’s tube preamp prototype he’s been slowly developing and we’ve slowly been playing with has that! We’re getting together again tonight… Maybe he’ll finally let me get a picture at least! We're looking forward to the Pre view. Chris |
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Seriously. That's the ONE control you could use that has more impact on gain and tone with MANY microphones than any other.
