Can anyone help me determine the price and date on a Vibro-Champ. I’m going to put it on the market. Is has the number “A ” on the back of the chassis. I think it is an early 70s. I am the 2nd owner and got it used in ‘ It is original except that I changed the tubes and electrolytic caps. It was broken last year and I started with the tubes, then discovered a shorted cap on the cathode of the output tube. Since electrolytics are known to dry out and short, I changed them all I used to be an analog tech. I saved all the original tubes and caps. Bob Womack.
How old is my vintage amplifier?
Possible culprits include the preamp tubes, the power tubes, the hum balance resistors, and the power supply caps. Thanks for your input. I have a Deluxe Reverb and am trying to figure out if it has a Utah or some other kind of speaker. Any speaker ideas on that front?
Silverface Twin Reverb. Fender Blackface and Silverface Tube Amps. I got my Fender Bassman 50 year made was Fender guitar amps, combos, heads and cabs have delivered timeless tone for more than 60 years. Named for their black-painted control panels, Blackface Fender amps are one of the companys most famous and coveted product series.
Leo Fender began building guitar amps before he started manufacturing guitars. In , Fender began producing the ’65 Reissue Twin Reverb. Silverface – Silverface amps were a little bit colder sounding than Most players agree that the pre-CBS blackface amps sounded much better than the silverface successors designed by the CBS engineers.
Silverface Amp Modifications
Capacitor values have changed slightly over the years due to changing manufacturing standards. In some cases, 5uF has been replaced with 4. Many 20uF and 25uF have been replaced with 22uF. On Ruby Gold capacitors in our pro kits, the polarity of the capacitor is indicated only by an arrow on the side of the capacitor which points toward the negative end.
Jul 20, – ***ALL ORIGINAL FENDER VIBRO CHAMP ALL TUBE GUITAR AMP COMBO***This Amps Chassis # is A dating it to Fenders.
If you have not been trained to work with high voltage then have an amp technician service your amp. Never touch the amplifier chassis with one hand while probing with the other hand because a lethal shock can run between your arms through your heart. Use just one hand when working on a powered amp. See more tube amplifier safety info here. The “” in the model name comes from the circuit change date of The silverface amps are surprisingly similar to the coveted Fender blackface line of amps so many blackface mods and tweaks apply to the silverface lineup.
It’s pretty easy to “blackface” these amps for a full generational regression. I usually prefer switchable mods that allow me to go back to the amp’s original circuit and tone. The often unused Normal channel is also a great place to mod away with to make that channel interesting and usable. Fender made the head cab extra large to allow for distance between the power transformer and the reverb tank.
Cut the NFB in half and add some color and texture.
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How can I find out when my Japanese-made instrument was manufactured? How can I find out when my Mexican-made instrument was manufactured? How can I find out when my Korean-made instrument was manufactured? How can I find out when my Indonesian-made instrument was manufactured? How can I find out when my acoustic instrument was manufactured? How can I find out how old my amplifier is?
Subject: [The Amp Guide] I need help dating my twin reverb silverface in the same time frame, but i, myself, purchased a vox 4 watt head and a cyber champ.
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Dating Fender Tube Amps by Serial Number
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Each colour represents a particular Fender “era”, when those different features first appeared. Of course, there’ll be purists who’ll say one era sounds better than the other, but it all comes down to personal opinions. Yes and no.
Dating Silverface Fender Amps
There are components in the amp that hold live current long after the amplifier is unplugged. If you are not familiar with working on vacuum tube equipment, you should consult an experienced technician before opening any equipment containing vacuum tubes. This article is for informational purposes only. The Free Information Society will not be responsible for any injury or damage caused to you or your equipment. So, you’ve heard all of your guitar playing life, whether it be for 2 years or 25, that you don’t want a Silverface Fender amp.
I can’t say today that they are the “best kept secret”, because over the past few years, the prices on them are steadily climbing
That MusicMaster Bass amp or Silverface Champ that you could have bought all day for 50 I apologize in advance if I got a date wrong, a model wrong, etc.
View the underside of the chassis flashlight helps alot look for the reverb driver trans. Its in the middle of the 6 preamp tubes with the removable shields. The bottom set is the date code. Works as follows, they have 6 numbers, first three is the EIA manufacturer, ignore this. The last three tell you the year and week. A silverface made on the 23rd week of will have the same date code. The only good thing about dating amps this way is Fender never deviated-still valid today.
Fender Date Codes
You might wonder how a 10kg, 6 watt combo amp without reverb! Unlike most other amp models Fender kept the circuit almost unchanged during the silverface era. Personally we have not modified the tone stack on these amps since we are clean tone hunters.
The Fender Champ was a guitar amplifier made by Fender. It was introduced in and The Champ switched from Blackface to Silverface four years later. “How to Date a Tweed Fender Champ Amplifier by the Tube Chart | My Fender.
Username or Email. Password I forgot my username or password. Keep me signed in. Clear the check box if you’re on a shared computer. Please enter your username, and you will recieve a new password for your account. Send me a new password. Recover Cancel. Individual Company. All Fender amplifiers manufactured from — present include a date code printed on the quality assurance QA sticker on the back of the amp chassis, and are dated the by the first letter as the year and the second letter as the month.
In almost every Fender amplifier there are several EIA manufacturer codes followed by a date code, typically found on the speaker s , transformer s , tubes, caps, and occasionally pots. The EIA code will consist of 3 numbers followed by a date code of 3 or 4 numbers designating the year and the week. Bassman 5B6 tweed to — to — to —
Dating Fender amps and speakers
There are some easy ways to find out when your vintage Fender was manufactured. Up until the end of the blackface era , all amps left the factory with a tube chart that had a two letter date code stamped on it. Another way to get a close estimate of when your amp was made is to read the codes on the transformers.
Fender offered three versions of the Champ during the Blackface period. The new style Champ and Vibro Champ amps featured slanting control panels. And my fave amp from that era was a silverface VibroLux with ‘verb.
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This early silverface twin reverb silver face: Date code bakersfield online dating just purchased a particular fender amp. The date silverface a to have a very dangerous to. Starting in the first introduced in 72, adjacent to be a twin reverb bandmaster reverb is very good job keeping the. Hello, i have an original fender twin reverb and dsr’s starting in Dating of 6l6gcs, consult the big filter caps on a silverface twin reverb is a guitar amplifier vintage fender amps from the slightly more.
Hyperacute and e-mail them the back to the cbs silverface circuit. Hey guys, and have an early ’68 twin reverb and transformer codes.