By Joyce Mcalister. Guitar Electric. Published at Friday, August 31st, 2018 - 02:50:53 AM.
Once the harness was removed I grabbed roll of masking tape and taped the floss to the guitar body at the holes. This was to ensure that the ends of the floss would not go into the guitar, making it even more difficult to get the wiring assembly back into the guitar. Then I fired up my soldering iron and fixed the broken connection. While I was at it I thought it would be a good idea to check all the other connections to make sure they were solid. I did not want to have to do this again.
All of these tubes have long, thin plates that are separated, so you can see the space between them just like the original Mullard ECC83's. To my ear, these vintage style tubes tend to have a fairly flat eq, which I associate with a more European sound, as opposed the Tung Sol's, which accentuate the highs and lows more and have more of an American tone. The problem with these long plate tubes is they tend not to do well in high gain amps and combo amps, if they are not very well made. The only one I have found to be reliable in a guitar amp is the Mullard 12ax7 reissue. It costs a little more, but if you want a premium tube that has more of a European tone, that's the one I'd recommend.
There are also many different materials used for capacitors. A large portion of mass manufactured guitars come stock with a small ceramic disc caps. Many don’t use the tone control, so they never switch them out. However, for the serious tone-seeker, there are plenty of aftermarket caps available. Metal film, paper-in-oil, and polyesterfoil will each have a different effect on the overall tone of the guitar as well as the response of the tone control. Testing is useful to help find the capacitor that provides the right tone.
JBL and Electro Voice. JBL and Electro Voice speakers are additional important American speakers. Unlike Jensens, JBL's and EV's are very powerful sounding (they have large voice coils and resonance frequencies around 50 Hz), and can handle a lot of volume. The JBL's were well known for their aluminum dust covers, and some of the early EV's came that way too (I think the purpose of the aluminum was to help extend the frequency response). The 12" JBL d120f's were famously paired with the Fender Twin Reverb for blues and jazz. The 15" JBL d130f was also a great speaker for the Vibroverb. Electro Voice speakers are mostly popular with heavy metal players. The original Mesa Boogie amplifiers were known for having a single EVM 12L speaker.
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