Fender amp that wants to emulate a dual recifyer

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Jumbicat
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2011/10/22 05:59:44 (permalink)

Fender amp that wants to emulate a dual recifyer

I have a 200 watt Fender London Reverb Showman.  I understand they are pretty rare.  It's a 200 watt solid state amp.  One Fender expert I found on the internet best described it as a amp that can stun small to mid size animals if passing by.  He's right about that.  He also nailed it when he made the statement that the amp would be best suited for a steel guitar player that wants a clean loud amp.

After reading the guitar tone strategies thread, I figured there would be some folks that know a thing or two about what I'm wanting to do. Since I don't have a Mesa Boogie nor afford one, unless I can find one on the internet that needs repaired, I'm looking to make do with what I have.

Using GR4 Rammfire or jazz chorus, I can get some pretty good tones.  But I can't help to think there's something out there that can help me emulate a good tube amp.  The amp has a effects in/out that can be used with a computer or external stomp box.

Any thoughts welcome,



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#1

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    The Maillard Reaction
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/22 08:43:49 (permalink)
    You can always use it as a huge PA head and just run pedal tone color through it.

    That's sort of a 1970s approach because back then over powered very clean amps were almost common but the over driven sound was popular so lots of people learned to drive a huge amp with a bunch of pedals.

    Then the whole, why don't I just sell this huge amp and get a small amp idea became popular again. I used to play 120 watt Fender Twins and 100 watt Marshalls and now for myself, personally, I enjoy the smaller amps running in their sweet spot.


     best regards,
    mike







    post edited by mike_mccue - 2011/10/22 08:48:52


    #2
    Jumbicat
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/22 09:39:44 (permalink)
    right now it's driving a internal 12" and a external cab with a 15" baffled with a horn then I'd like a cab with 4 10s to level out the frequency curve. Then using the Axon midi controller to drive synth sounds thru the effects loop.
    I want it loud enough to have the ability to play with controlled feedback and this amp will do it.
    Sonnar plug-ins on the front end of the pre-amp (Which ones)
    Soft synths through the effects loop (a varitiey to choose from)

    You'd think at 56 I'd want the small amp but it's just the oposite. I want to stun small animals :)  with a unuiqe Metal sound.

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    #3
    Guitarhacker
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/22 09:42:33 (permalink)
    Big amps with lots of wattage.... gotta love them.... but playing them? Well, that's another story. 

    For tube sound, there;s nothing like real tubes.  Currently there are a number of new, small, tube amps being made by a number of boutique manufacturers.  There is also the Saturday morning yard sales... you never know when you will come across a sweet little tube amp that was stored in someone's garage for the past 20 years setting out there with a cheap price tag on it.  Also, check Ebay & Craigs list and of course, the local want ads, and if you are near a city... a pawn shop.... they have very little invested in the amps and guitars so check the prices on line before you go and bargain hard.

    With the SS amps I have owned in the past (early on as a guitar player in training) ... the amps were pretty loud and clean, so it was necessary to dirty them up and the fuzz box was the first implement of choice. Now the choice in stomp boxes is wide and varied.
    post edited by Guitarhacker - 2011/10/22 09:44:20

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    #4
    ChuckC
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/22 14:35:05 (permalink)
    JumbiCat,
      I just posted again in guitar tones about it so I won't repeat it all but  went with a line 6 XT live (which are still around but they stopped making them about a year ago).  Line 6 has a newer line of HD pedals that I hear are even better than that, but I am happy with mine!
    Here's the one I have: http://line6.com/podxtlive/index.html

    Here's the newer line: http://line6.com/podhd/multi-effects/

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    #5
    Jumbicat
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/23 02:04:46 (permalink)
    Reading Danny's thoughts in the guitar tone thread brings up another point.  This amp has the same problem as the Mesa, if the effects loop is used, it seems to default to full volume. That's a problem when it's a 200 watt output.  I thought there might be something wrong in the logic board causing this but it seems this is common amongst of power amps.  If I read it right, when using the effects loop, the pre-amp is by-passed...intersting.  I guess I'll just have to experiment with using a floor effects pedal on the input.

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    #6
    Danny Danzi
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/27 13:35:21 (permalink)
    Jumbicat: So sorry I missed your thread here. Yeah, the issue you mention about the loop is common and not an "issue" at all. Here's the thing to keep in mind.

    Though this is a real amp, sometimes when you use a power section of an amp that is super clean...it can actually affect the sound of the distortion. Like, if we use a PA power amp like a Crown or a CS 800 and run a guitar pre-amp into it, rest assured the sound will be different than if you ran the same pre-amp into a "made for guitar" power amp like a Mesa 90/90 or a Carvin 100 watt power amp or the Velocity amps I run. Those amps are geared to handle the distortion we send through them. The amp you have is a clean monster that would need to be so loud to saturate, it would kill animals and your hearing.

    Now, getting back to your situation...don't let that effects loop thing scare you. Whatever you plug in there...remember that the output control on the last effect will be your master volume. So just make sure it is down to 0 before you even play. Your best bet in this situation would be to buy a guitar pre-amp of sorts and use it in the loop. Though I'd rather see you get a real power amp made in today's times for handling high gain, what you have there will still work. But if you got a Line 6 pod or even the pod rack or something with a good front end...you can just slave off that amp's power and you'll be in good shape.

    But the key to tube sound...you need tubes at least in your front end. Something with 12AX7's in the pre section. You don't need output tube power unless you want the Angus Young tone or that old Jimmy Page, Nugent <insert classic rock artist of your choice> type tone. Those guys used low gain...maybe a stomp box and then jacked up the amp so the power tubes would saturate. Because you have a solid state amp...and an amp that can literally be a weapon due to it's volume...lol...I would shoot for a stronger front end.

    The Mesa Tri-Axis is a killer piece...but pricey as heck. The Vox Tone Lab has a pretty cool floorboard pedal driven by a 12AX7 tube that may work really well for you and it's pretty affordable. I wasn't crazy about the gain it got...I felt it was a little lame...but it was definitely tube sounding. Nothing a Tube Screamer or an overdrive couldn't fix really. But definitely try to find some sort of guitar pre-amp with a tube section if you can. This is what gives you the tube tone more than having output tubes. The pre-amp section is what gives you the tone...the output tubes would color it a bit. But most times...like I said, the output tubes don't really come to life unless you push them so hard, you hurt someone. It's always been that way.

    All those old classic amps had horrible pre-amp sections that relied on extreme volume to make them sound the way they sounded. I like that tone and think it has its place...but unless you use like a Marshall Power Brake or something to control that insane volume from taking place...it's a nightmare to work with. I have a 200 watt Marshall plexi over here...talk about loud...it's just insane and pretty useless. Now the 100 watters...you can tweak because you can take out two tubes either on the corners, or the two tubes in the center and it converts it to a 50. Then you can jack it wide open to get that saturated sound...but even then...it's way too loud for most situations. Good luck with whatever you decide and if I can help you out with any of this, just let me know. :)

    -Danny

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    #7
    Jumbicat
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/28 09:42:10 (permalink)
    Thanks for that Danny. Much apreciated. I'll keep my eye out for a vintage tube pre-amp.  I've seen a few of them offered on some websites.

    I took the time and replaced the "ribbon cable" that is known for intermittant contacts in the Fender line.   Why they went with that solution is beyond me.  Especially in a self contained unit, the vibration would only fatuige the crimps.  I bought some female pins that slide on the circuit board pins and just used some ATA ribbon cable that was lying around.  No more intermittant LED's or ch switching.  The input/output pots on the effects loop were very dirty.  With the effect loop in circuit, any adjustment would be amplified and sound terrible.  Now that the wipers have been cleaned, the circuit seems ok. In doing a frequency respnse test, I noticed a 1khz sine wave at .775 vac (0 DB) on the O-scope would roll off between 7-10 on the output setting. 1-6 would do a smooth ramp up but then taper off after 7/8.  I found that rather odd.   But the amp seems to be ready for what ever I can throw at it.  It's a beast.  Can't seem to find anyone who has one.  Can't help wonder of it's value.  Like all my gear, it's all going to my kids eventually. Long story on how I came to own the amp.  The short version is I got free from Brook May's Pro shop before they closed, so have no idea what a 200 Watt showman went for.  I don't beleive the pricing would be the same as the other styles that are only a 100 Watt. As I was told, there were only a few made.
    post edited by Jumbicat - 2011/10/28 09:45:12

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    #8
    The Maillard Reaction
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/28 09:51:50 (permalink)
    You probably paid more for the amp than it will ever be worth. :-)

    Have you seen the hand wired 1970's Silverface Fender Champs? I used to get them for $90 but now they are selling for $500-$600 because and there is an actual demand for them.

    People seem to like the buying an amp that sounds good with just a guitar plugged in... if you have a good sounding guitar... and so the price of the Champs has risen dramatically.

    Have you considered using the 200 watter as a bass or key board amp. I'll bet it would make an ideal keyboard amp.


    best regards,
    mike







    #9
    Jumbicat
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/28 10:38:34 (permalink)
    I seem to remember a price tag on it for $1000/$1100 but as I stated, I got it for free.  Brook Mays was having a "give away" and since I worked in the repair department part time I dropped my entry into the glass jar of day one.  After a few months, I get a call from the mamager stating I'd won.  A bunch of kids came into the store at the last minute and started filling out entry forms (apparantly no limit on entries) which took Phil over the edge so he just turned the jar upside down without shaking it.  Picked my entry up and have had it ever since. 

    I know the vintage Fender gear is going up in price, but I also recongnize that this amp was a very limited issue. What makes me think that?  A Fender expert repairman here in Dallas advised that there were only 100 of these made. Out of all the amps made by Fender I have one of a 100?  Na, I'll hang on to it.  It will be worth something one day.  I might not be around but I've taken very good care of this amp. I installed a resetable output fuse just to safeguard against shorting out the main output stage.  Took out the 3 amp and put a 2 amp in. It's popped on me a few times on stage, but I'd rather be safe than sorry.  My 63 Fender strat has a set of single coil pickups (3) that were issued by Fender and can handle high gain without feedback.  I don't recall the name of them but they sound great.


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    #10
    Jumbicat
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/29 01:25:54 (permalink)
    Chuck C...watching a Line 6 HD500...

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    The Maillard Reaction
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/29 08:17:25 (permalink)
    Yes, you may someday find a collector who wants to put it in his stack.

    The fact that they only made 100 is sort of a heads up. :-)

    Ironically it is the products Fender actually made millions of, the ones that people thoroughly enjoyed and purchased in huge quantities, that are rising in price because the demand for them continues to this day.


    For example; here are some of my small Fender amps:



    Each model sounds distinctly different... it's fun to get to switch between them to find different sonic colors.


    best regards,
    mike

    post edited by mike_mccue - 2011/10/29 08:32:44


    #12
    ChuckC
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/29 13:19:33 (permalink)
    Jumbicat, 
      What do ya think of it?

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    #13
    Jumbicat
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/30 00:12:09 (permalink)
    I

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    #14
    Jumbicat
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/30 00:16:05 (permalink)
    Just spent a lot of time writing up a reply Chuck and the only thing that shows up is I? 

    I'll try again a little later.
    post edited by Jumbicat - 2011/10/30 00:18:40

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    ChuckC
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    Re:Fender amp that wants to emulate a dual recifyer 2011/10/30 09:46:56 (permalink)
    "I" hate it when that happens.

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    #16
    Jumbicat
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    Re:Fender amp that wants to emulate a dual recifyer 2011/11/02 20:28:53 (permalink)
    Ok...I'll try it again.

    I was impressed with the video that’s on Line 6 website that kind of goes into the history and it seems the HD line is something that should be looked into.  Looking over the specs, I’m not sure I need the “loop” function that seems to increase in allowed time with each upgraded model. 
     
    I picked up a Fender Ultra Chorus amp 2-12” for $100.  It seems to have a sound a lot different from the London reverb showman.  It almost sounds like they’re trying to get a tube saturation sound out of the preamp.  I found it in the paper, an old school jazz guitarist bought another amp because the chorus would intermittently start humming and since he was gigging, he didn’t want to mess around with it.  He said he bought it 20 years ago. After benching it, I found a cold solder joint on a cap in the chorus circuit.  I also found the left channel a little weak so ordered a new pair of outputs and it’s doing pretty good so far.
     
    Since Mike said every amp has its own sound, maybe I can use the Chorus as the front end and the showman as the slave.  I should say power slave.


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    Jumbicat
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    Re:Fender amp that wants to emulate a dual recifyer 2011/11/02 22:41:04 (permalink)
    There is really a big difference in the sound of the Chorus amp. If I have my guitar volume set to 10, it sounds like it's over driving the pre amp.  It sounds clear but it has what sounds like a compression unit inline.  If I back it down to 6-7, it clears up. Is this normal for this amp? I'll search around on the internet for any comments about this issue.

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    The Maillard Reaction
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    Re:Fender amp that wants to emulate a dual recifyer 2011/11/03 06:58:48 (permalink)
    It may be useful to keep in mind that if it has gain staging that allows for distortion that the distortion itself will seem compressed because, in fact, it is basically being tailored into a near square wave by shoving the signal up against a limit defined by top of the square wave.

    The circuit isn't designed as a compressor (and it can't do any *transparent* compression etc) but you may easily recognize that a fat furry distortion sound is heavily compressed and limited.

    My guess is that this is what you are observing.

    best regards,
    mike





    #19
    Jumbicat
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    Re:Fender amp that wants to emulate a dual recifyer 2011/11/04 23:36:14 (permalink)
    CR34 and CR35 were shorted. The amp was sending good signal out of the right channel but the left channel had a problem so the over all sound was degraded. I found a few caps that were going soft so changed them out too.
    Also, one .47 ohm 5 watt (r-112) was open.
    All these were in the final output stage of the amp. Been running a 1 khz tone at .775 vac on two 8 ohm dummy loads for about 4 hours...seems to be fine.
    This is a really nice little amp.


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    #20
    The Maillard Reaction
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    Re:Fender amp that wants to emulate a dual recifyer 2011/11/04 23:46:09 (permalink)
    I thinks it's cool that you are going in and fixing them.

    I hope my previous reply didn't seem like it was remedial... now I'm guessing you knew all that stuff.

    I only work on my old tube stuff... the solid state stuff leaves me confused.

    Hats off to you!

    best regards,
    mike



    #21
    Jumbicat
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    Re:Fender amp that wants to emulate a dual recifyer 2011/11/05 21:53:51 (permalink)
     "hope my previous reply didn't seem like it was remedial... now I'm guessing you knew all that stuff."
     
    Not at all... I've been around long enough to know input from others with as much or more experience with something is always welcome. Sometimes it's a matter of getting a second opinion to help work through a problem.


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