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Post by kcatthedog on Nov 28, 2023 7:02:51 GMT -6
I seem to be having bad luck with my sa67 tubes getting noisy.
I’d like to hear the mike with a little less mid range push.
Is there a non nos, current tube people would recomnend ?
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Post by seawell on Nov 28, 2023 7:49:02 GMT -6
I just had a chance to spend some time with a SA67 MKII with 3 tube options. Stock tube, Tung-Sol and Telefunken. The Tung-Sol was the smoothest and my favorite of the bunch. It did a nice job of smoothing out the midrange and extended the high end a bit.
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Post by kcatthedog on Nov 28, 2023 8:25:22 GMT -6
Thx Josh: great intel !
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Sa67 tubes
Nov 28, 2023 20:25:01 GMT -6
via mobile
Post by shakermaker on Nov 28, 2023 20:25:01 GMT -6
I have two SA67s mk1and they have had an audible buzz since the day I got them.
Haven’t really used them much bc of this. Could it be a tube issue?
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Sa67 tubes
Nov 28, 2023 22:06:49 GMT -6
via mobile
Post by Mark Kano on Nov 28, 2023 22:06:49 GMT -6
I have two SA67s mk1and they have had an audible buzz since the day I got them. Haven’t really used them much bc of this. Could it be a tube issue? The had to return my first SA67 mkii because of a buzz/hum. Wasn’t the tube. |
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Post by kcatthedog on Nov 29, 2023 2:43:56 GMT -6
I have two SA67s mk1and they have had an audible buzz since the day I got them. Haven’t really used them much bc of this. Could it be a tube issue? Yes, the mike should be pretty well silent, or you have a ground or shielding problem. If you bought them new, i’d get them bench tested under warrenty or pay for it yourself. |
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Post by stam on Nov 29, 2023 6:45:09 GMT -6
I have two SA67s mk1and they have had an audible buzz since the day I got them. Haven’t really used them much bc of this. Could it be a tube issue? Kindly email me so we can resolve this issue for you. Probably power supply related. |
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Post by stam on Nov 29, 2023 6:46:19 GMT -6
I just had a chance to spend some time with a SA67 MKII with 3 tube options. Stock tube, Tung-Sol and Telefunken. The Tung-Sol was the smoothest and my favorite of the bunch. It did a nice job of smoothing out the midrange and extended the high end a bit. Hey Josh Did you happen to record any audio with it? I'd be interested in hearing your voice through all three tubes I tend to always favor NOS tubes but it really depends on the voice on each individual |
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Post by kcatthedog on Nov 29, 2023 6:54:02 GMT -6
Attachment DeletedI ordered a tung sol, also put my original tube back in, Stam had sent me a replacement, now the original is very quiet, not spitty:,weird but I’ll take it. Also, experimenting with omni, seems less mid forward, liking it in my room: great mike(mkii) with tim’s capsule!
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Post by the other mark williams on Nov 29, 2023 13:00:59 GMT -6
View AttachmentI ordered a tung sol, also put my original tube back in, Stam had sent me a replacement, now the original is very quiet, not spitty:,weird but I’ll take it. Also, experimenting with omni, seems less mid forward, liking it in my room: great mike(mkii) with tim’s capsule! I thought only the mkI's had Tim's capsule? Am I mixed up? |
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Post by seawell on Nov 29, 2023 13:30:10 GMT -6
I just had a chance to spend some time with a SA67 MKII with 3 tube options. Stock tube, Tung-Sol and Telefunken. The Tung-Sol was the smoothest and my favorite of the bunch. It did a nice job of smoothing out the midrange and extended the high end a bit. Hey Josh Did you happen to record any audio with it? I'd be interested in hearing your voice through all three tubes I tend to always favor NOS tubes but it really depends on the voice on each individual I did...I'll see if I can get something good enough to share together! Unfortunately the drastic drop in temperature around here(North Carolina) wasn't too kind to my voice so these may be for my ears only LOL. |
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Post by kcatthedog on Nov 29, 2023 15:09:15 GMT -6
View AttachmentI ordered a tung sol, also put my original tube back in, Stam had sent me a replacement, now the original is very quiet, not spitty:,weird but I’ll take it. Also, experimenting with omni, seems less mid forward, liking it in my room: great mike(mkii) with tim’s capsule! I thought only the mkI's had Tim's capsule? Am I mixed up? Think its the mk ii, as there were problems with quality of cap supply mki |
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Sa67 tubes
Nov 29, 2023 15:10:27 GMT -6
via mobile
Post by kcatthedog on Nov 29, 2023 15:10:27 GMT -6
Hey Josh Did you happen to record any audio with it? I'd be interested in hearing your voice through all three tubes I tend to always favor NOS tubes but it really depends on the voice on each individual I did...I'll see if I can get something good enough to share together! Unfortunately the drastic drop in temperature around here(North Carolina) wasn't too kind to my voice so these may be for my ears only LOL. Come on up to ottawa for bbq anytime now !  |
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Post by seawell on Nov 29, 2023 15:15:23 GMT -6
I did...I'll see if I can get something good enough to share together! Unfortunately the drastic drop in temperature around here(North Carolina) wasn't too kind to my voice so these may be for my ears only LOL. Come on up to ottawa for bbq anytime now ! Sounds good 😊. I’ve never been to Ottawa. My wife is from Alberta so I’ve been all over there and BC. Beautiful country! |
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Post by kcatthedog on Nov 29, 2023 15:20:55 GMT -6
 bring your skates ! |
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Post by seawell on Nov 29, 2023 15:24:19 GMT -6
Me + ice skates looks like a baby deer standing for the first time 🤣 |
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Post by kcatthedog on Nov 29, 2023 16:03:22 GMT -6
Your rgo bros, have slipped my big cdn bucks ( cheap us doneros) , to lure you up here for the photo op, of you, on your keister ! |
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Post by NoTomorrow on Nov 29, 2023 16:56:46 GMT -6
View AttachmentI ordered a tung sol, also put my original tube back in, Stam had sent me a replacement, now the original is very quiet, not spitty:,weird but I’ll take it. Also, experimenting with omni, seems less mid forward, liking it in my room: great mike(mkii) with tim’s capsule! I thought only the mkI's had Tim's capsule? Am I mixed up? I have the mkI and it has the Heiserman capsule in it. I think they went to the Tim Campbell capsule on mkii. Regarding the tubes, I have a Philips, two Valvos and a Telefunken. They are all quite different. The Telefunken is the smoothest and most hi-fi sounding of the lot and the Philips is bigger, warmer, rounder.... less top end. I sometimes prefer it to the Tfunk although it seems a little microphonic. The Valvo tubes are right in between I would say, a good compromise and pretty affordable. |
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Post by kcatthedog on Dec 19, 2023 16:34:06 GMT -6
My new tung sol gold pin showed, plugged it in, powered up: whisper quiet, quieter thsn all my nos fancy pants tubes.
Initial impression of tone is also very positive: it seems very ckear and detailed, smooth but not rolled off, flatter but not thin.
Thx Josh, super pleased so far!
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Post by ab101 on Dec 19, 2023 18:38:18 GMT -6
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Post by timcampbell on Dec 19, 2023 19:04:22 GMT -6
Well as far as tube microphones go EF86 tubes are not particularily long lifed. They probably last as long as a 12ax7.
In the old days it was not uncommon to walk into a studio with U67s and most would have microphonic tubes.
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Post by kcatthedog on Dec 19, 2023 19:05:48 GMT -6
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Post by seawell on Dec 19, 2023 22:20:55 GMT -6
My new tung sol gold pin showed, plugged it in, powered up: whisper quiet, quieter thsn all my nos fancy pants tubes. Initial impression of tone is also very positive: it seems very ckear and detailed, smooth but not rolled off, flatter but not thin. Thx Josh, super pleased so far! I’m glad you’re enjoying it! I have to get credit to Mark Kano , he loaned me his mic and had a few tubes to try out so that was super helpful & informative. |
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Post by Mark Kano on Dec 21, 2023 10:16:51 GMT -6
I definitely preferred the Tungsol to the stock Russian tube but after using the Telefunken ef806S more - I do believe I prefer it. At least on voice. I've always had issues with ef86's being microphonic in my Matchless. I found a great sounding NOS Amperex and have probably played over 800 gigs with it. The JJ ef806s I found to also be non-microphonic in guitar amps. Haven't tried it in the SA67 yet though.
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Post by stam on Dec 22, 2023 20:09:43 GMT -6
I tried a Electro Harmonix tube yesterday and after tweaking some values I was pleasantly surprised on how close I could get it to the Telefunken.
I have not tried the TungSol but will soon.
This gives me a glimmer of hope as I literally have the last 75 NOS tubes left and didn't want to build more 67's without them but playing around with the capsule polarization and circuit impedance you can do wonders.
I'll post some audio clips soon
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