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 Post subject: Plexi Super Lead 18 Watt
PostPosted: Sun Mar 06, 2011 10:54 pm 
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Location: Dallas, Tx
Here are clips of my custom 18 watt Plexi. See thread for amp details viewtopic.php?f=7&t=2464

Guitar: Ibanez RG570 - Bridge: Duncan Distortion - Neck:Ibanez C2 single coil
Speaker: 1978 Peavey 412 with 200 watt Peavey Scrpions - 4 ohms
SM57 -> Audiobox USB -> Cubase LE4

Edit
Scroll down in this thread for more recent clips.

Thanks for listening.

-Les

Edit: From my other thread.
Unimind wrote:
Here is a clip of the TMB channel with everything dimed, tube recto, fixed bias (about 75% diss), NFB on, boost on, bright on.

http://www.unimind.us/TrinityPlexi2.mp3


Update:
Made some changes to the normal channel to tighten up the bass.
Changed coupling cap to .0047uF
Changed cathode bypass cap to 3.3uF
Sounds much tighter now. Really has that 80s feel. 8)


http://www.unimind.us/cascade2.mp3
Settings:
Normal Gain: 8
Bright Gain: 10
T: 5
M: 4
B: 2
P: N/A
M: 1
Bias: auto
NFB: off
Boost: on
Bright: on
Cascade: on

http://www.unimind.us/cascade2_off.mp3
Settings:
Same as above but with cascade off. Channels are internally jumpered.

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http://www.soundclick.com/unimind


Last edited by Unimind on Fri Apr 18, 2014 6:00 pm, edited 3 times in total.

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PostPosted: Mon Mar 07, 2011 12:11 am 
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Holy Ghost
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Posts: 7519
Location: Canada
Awesome man!! Great job. Lovin' it!!

From one of your other postings:

http://www.unimind.us/Outa_Love.mp3
Bright channel only (no cascade) dimed, cathode bias, NFB OFF, boost ON

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PostPosted: Wed Mar 09, 2011 9:03 am 
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Holy Ghost
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Still Rockin'. The Plexi Lead 50 has 220uf /820 on the normal channel!! :bugeye:

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PostPosted: Wed Mar 09, 2011 11:12 am 
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coco wrote:
Still Rockin'. The Plexi Lead 50 has 220uf /820 on the normal channel!! :bugeye:

That's correct and It sounds good that way by itself i.e. normal channel only. I only changed it because I have the cascade switch and the low end was a little muddy when cascaded. If you do not want the cascaded channels then I feel you should leave the normal channel as is. I am trying to keep the versatility in the amp in that I would like the "darker" normal channel for clean to slight breakup, the "bright" channel for more moderate gain and the cascaded channels for high gain. Trying to find that balance in the normal channel so that I have good low end for clean sounds but not so much that it gets loose when cascaded.

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http://www.soundclick.com/unimind


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PostPosted: Sun Aug 05, 2012 11:01 am 
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Great amp and great playing. I cant believe you can get that sound without any pedals.


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PostPosted: Sun Aug 05, 2012 11:59 am 
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Sounds really good! Very tight!

Are you still using the stock recto and stock filtering?

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PostPosted: Mon Aug 20, 2012 9:51 pm 
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Revv23 wrote:
Great amp and great playing. I cant believe you can get that sound without any pedals.
Thanks. I really need to post some new clips. These clips were made when I first built the amp. Lots of tweaks since then. Also there were some questions about my pickups. I did not realize it but it turns out that the Duncan Distortion is one of the "Hottest" pickups you can get with 16K resistance :bugeye: . I measured my other pups and the lowest one I have is 14.8K. So yeah, I am really pushing the front of the amp with hot signal.

kurtlives wrote:
Are you still using the stock recto and stock filtering?
Yes EZ81 and stock filtering. I did change the filtering on the board from 16uf to 22uf at one point. It tightened up the preamp a bit but also lowered the gain a bit so I went back to 16uf.

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http://www.soundclick.com/unimind


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PostPosted: Sun Sep 09, 2012 8:52 pm 
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Location: Dallas, Tx
Here are a couple of new clips. My amp now has the 1987 spec in the preamp. PI has 470R/22K. I also added a touch of EQ and reverb.

Settings were:
bright channel
Gain: 10
Master: 10
T: 10
M: 3
B: 7
P: 8
PPIMV: 8.5
http://www.soundclick.com/player/single ... 82168&q=hi

bright channel
Gain: 10
Master: 10
T: 7
M: 3
B: 8
P: 8
PPIMV: 10 (Kickin the snot out of the EL84s :evil: )
http://www.soundclick.com/player/single ... 82169&q=hi

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http://www.soundclick.com/unimind


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