brought this back to life for a friend. someone, probably more than one person seemed to try it before. but it sounded dull when it came to me.
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found this nicely built 5F1 with 10″ WGS speaker in Mergili cabinet on Ebay while I was in search of the parts for my first 5F1 build. grabbed it off for very good price and I’m changing the components and wires one by one like the filter caps, bypass caps, speaker wires along with the plug.
I think the speaker wires and Amperex 12ax7 changed way more than the capacitors. I’m waiting for yellow and red Jupiter 0.022 caps as well. an A/B comparison video on youtube was very interesting. and red one looks very close to the original Astron firecracker.
there are few tweed amp inspired cabinets around. and it’s the first cab I like except for the original ones. this cabinet sings with WGS ceramic speaker. I’ve been biased toward vintage Jensen alnico speakers so far. and this speaker changed it a bit
the orange filter caps are Roederstein 33uf 450v which replaced the stock caps from the kit. I didn’t know the limit of 5y3 and was brave enough to put two of them on it. then realized the rectifier was too hot and went to 33+10+10.
the first 33uf right next to the rectifier seems fine so far. I’ve tried on the original 5D3 and 5F1 without an issue before. this very capacitor is one of the caps I trust most
this 5F1 is dead quiet and the filament wiring is a bit different to the original champ. I’m trying to figuring out it. nothing is easy with the electric stuff even 5F1 is this simple.
I’ve got some NOS Sprague black beauty caps 15 years ago and tried it on this amp. I expected something vintage with them. but I’ve learned they are not useful as the coupling caps. they were good as the guitar tone caps. but they dramatically reduced the output volume regardless of the values. realized why my 18watt replica’s output volume was that low 15 years ago today. I’m still wondering why anyway.
[update] the sprague caps I put on this amp had twice high capacitance than the marking. I couldn’t find any 0.02 and tried 0.03 but they actually were over 0.05. higher capacitance changes the frequency and reduces the output volume as I learned from them. and NOS caps need time to break in. they sound getting louder for the last few days
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post any music you want to share
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i’ve got this les paul tv yellow a couple of weeks ago.
it has very nice tone saturation and the ranges of volume control.
very simple control with playability, of course the design is simple too.
i checked the serial number as I learned through the wikipedia. it has made at ’83 when gibson company shifted kalamazoo to nashville before they established historic / customshop line.
replaced the stock ceramic cap with sprague black beauty capacitor right after I got this beauty. and this les paul sounds way better than before with the sustain.
lucky strike it is.
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i think i use too much bold :/
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i designed those two works for yoffy who work really hard on music
here is his soundcloud profile link
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They tweaked the large sprague caps and the small ones too much for the scene. but it’s still good to see my favorite sprague capacitors on a movie. aren’t they orange back in the days?
this board is Apple-1 from this movie Jobs from 2013
https://www.imdb.com/title/tt2357129/?ref_=fn_al_tt_2
btw, I wanted to capture the scenes. and it didn’t work with Safari browser. this helped me out. you can capture the screenshot while it’s playing on chrome. it didn’t work while posed.
https://www.quora.com/How-can-I-screenshot-Netflix-without-getting-a-black-screen-image
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Data mining is not just the art of extracting new information; In fact, it is about identifying new patterns from data that you’ve already collected. Here are 10 best examples of data mining methods and techniques:
1. Cluster analysis to identify target groups
2. Regression analysis to bring on marketing forecasts
3. Classification analysis to spot on spams and more
4. Anomaly detection to identify abnormalities
5. Intrusion detection for system security
6. Rule learning to recognize links between data
7. Decision trees analysis to improve on project risk management
8. Neural network application for automated learning
9. Induction rule to prefigure data-based analysis
10. Data warehousing
via @BMM Read the full article here: https://www.bmmagazine.co.uk/business/which-methods-are-the-best-examples-of-data-mining/
#data #DataScience #MachineLearning #AI #BigData #deeplearning #IoT #ComputerScience
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오랫만에 참았던 이베이 나들이를 하다가 눈에 들어왔습니다. 판매자는 12ax7이라고 합니다만 이런 관은 처음 봅니다.
Find many great new & used options and get the best deals for AMPEREX ECC83 / 12AX7 TUBE – STRONG – MADE IN HOLLAND at the best online prices at eBay! Free shipping for many products!
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