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June 05, 2020, 02:41:40 PM

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1
Amplifier Discussion / Re: Fender Frontman 65 distortion
« Last post by stedutts on Today at 12:06:52 PM »
Sorry to also revive such an old thread, I also have a Fender FM65r which suddenly developed a really unbearable crackling & distortion intermittently every couple of minutes, if I messed around with on off button it stopped but then started again after a few mins and drove me up the wall!!!! I changed on/off switch but no resolve, viewed internally on pcb and found capacitor 50 had leaked, replaced with a new one but amp still did the same, after lots of investigation and searching internet after nearly giving up I stumbled upon this thread, amazingly I found a few others had had same issue and I’d after reading Roly & Enzo smart advice I decided to change transistors Q10 & Q11 to BD139 & BD140 transistors, also cleaned all pots and everything else internally and stunned the amp runs like a dream crystal clear like new and no dirty crackling pots as well. So I needed to say a huge thank you to Roly who unfortunately I hear has passed, a traffic loss to guys like us who totally appreciate his knowledge and his sharing this to help others, big thanks to Enzo and any others who participated in this thread over the years. These threads are a massive help to people like us who are stuck and don’t know what to do next. I was going to give up on the repair till I fell upon this, so a massive thanks again guys you saved me at least £100 trying to get repaired which I doubt anywhere would with it being a non repairable amp by Fender, and such little repair information available anywhere to aid us in repairing, in total the parts cost me about £3 to fix amp and that’s expensive as I only bought couple of each parts needed.
I’ll definitely try here again when I have more issues with any gear. Many thanks all. Steve Dutton, vocals, guitars & production in Manchester band The Dead Xtra’s
2
Abominable Pedals, God City, Chase Bliss Audio, and Cooper FX are some of the latest companies to start actively promoting the end of racism.  I hope that this continues and eventually gets to the point where it isn't necessary because racism dies out.  Call me a dreamer, but I'm not the only one.

https://guitar.com/news/gear-news/guitar-gear-brands-anti-racism-black-lives-matter/
3
Guitar News / Re: DryBell releases "The Engine" - $299 preamp pedal
« Last post by joecool85 on Today at 09:10:47 AM »
I quote the vid at 7.18

"So there you have it folks the Engine truely evokes the feel and tone of those classic Amps."

Meanwhile using a REAL JMP 50Watt Marshall. Durh???? what a load of crap :lmao: :lmao: :lmao: :lmao:

Which is much the same as promoting A Boss fender 64 reverb pedal sounding like a real 64 reverb Amp.
And demonstrating it through a,,, real 64 Fender amp.
Yeah right,,,,, And I can make a  banana flavor taste like a real banana just buy using a real banana.  :lmao: :lmao: :lmao:

This crap goes on all the time on these pedal demos,,
The REAL ACID test is how good some wizz bag pedal pulls off great tone through a small bedroom amp. 8|

Don't get me wrong the pedal sounds good but at least test it through some basic amps as well as through the obvious Big name Valve gear.
That would give punters a much more realistic impression of how well the pedal will suit their setup.
For every Big name Valve amp Owner there would be 10~100 times more basic amp owners out there.
Which equates to far greater profit if they had a even half a brain. :loco

For those that don't know, the touch response mentioned in the vid has more to do with the Valve amps used than the pedal.
The Sustain at 1.24 is simply the Valve amp feed back which has little to do with the pedal. Any basic pedal with boost up will cause a valve amp to feedback like that.
Again this has little to do with how good the pedal works. The wank factor is in a lot of these demos and it's time the young ones woke up to the hype.
Rant over,, Phil.

I honestly overlook most of this now because it seems all major players do this game.  You are right though, it would be interesting to see what this sounds like through a simple Fender Frontman, Marshall MG, Vox Pathfinder etc.  My guess, it'd sound okay.  Which is basically what I thought during the video, it sounds good, but not anything that blew me away.  Everyone has their thing though, maybe this is it for some?
4
Guitar News / Re: DryBell releases "The Engine" - $299 preamp pedal
« Last post by phatt on Today at 03:27:36 AM »
I quote the vid at 7.18

"So there you have it folks the Engine truely evokes the feel and tone of those classic Amps."

Meanwhile using a REAL JMP 50Watt Marshall. Durh???? what a load of crap :lmao: :lmao: :lmao: :lmao:

Which is much the same as promoting A Boss fender 64 reverb pedal sounding like a real 64 reverb Amp.
And demonstrating it through a,,, real 64 Fender amp.
Yeah right,,,,, And I can make a  banana flavor taste like a real banana just buy using a real banana.  :lmao: :lmao: :lmao:

This crap goes on all the time on these pedal demos,,
The REAL ACID test is how good some wizz bag pedal pulls off great tone through a small bedroom amp. 8|

Don't get me wrong the pedal sounds good but at least test it through some basic amps as well as through the obvious Big name Valve gear.
That would give punters a much more realistic impression of how well the pedal will suit their setup.
For every Big name Valve amp Owner there would be 10~100 times more basic amp owners out there.
Which equates to far greater profit if they had a even half a brain. :loco

For those that don't know, the touch response mentioned in the vid has more to do with the Valve amps used than the pedal.
The Sustain at 1.24 is simply the Valve amp feed back which has little to do with the pedal. Any basic pedal with boost up will cause a valve amp to feedback like that.
Again this has little to do with how good the pedal works. The wank factor is in a lot of these demos and it's time the young ones woke up to the hype.
Rant over,, Phil.
5
Guitar News / DryBell releases "The Engine" - $299 preamp pedal
« Last post by joecool85 on June 04, 2020, 01:47:43 PM »
DryBell has announced it's newest pedal, The Engine.  Selling for $299, this is a preamp pedal "for all those that love 1960's style non-master volume amps."  The concept sounds good, and the clips sound pretty good.  But it seems a convoluted way to get the sounds they are shooting for.  There are two preamps on board, A and B.  You can control either one, or put them together with A or B coming first in the signal chain.  They both have tone controls but not your typical TMB stack.  Preamp A has Level, Gain, Tone, and Shape.  Preamp B has Level, Range, Low, and High.

Perfect?  Too complicated?  What's your take?

https://guitar.com/news/gear-news/drybell-the-engine/
6
A solution looking for a problem?  ???
7
That Klick Knob has released their eponymous product.  For $20.99 you can get a knob that you can "set."  The short of it is that you can pull it up and turn as per normal, or push it in and have a settable detent to your favorite position.  Neat idea, but not sure how successful this will be.  First, it only comes in "strat style" knobs.  Second, is this even an issue?  Many guitarists I know just run their guitar wide open.  The ones that don't, change settings on the fly regularly and don't have a "sweet spot" necessarily.  Still, A+ for innovation, it's definitely something I've never seen before!

What do you guys think?

https://www.gearnews.com/that-klick-knob-hits-the-tonal-sweet-spot-perfectly-every-time/
8
Amplifier Discussion / Re: Frontman 212R
« Last post by Enzo on June 02, 2020, 02:04:37 AM »
Q8 is NPN, with emitter -41.8 and base -40.5, makes the base 1.3v more positive than the emitter.  Sounds like should be ON to me.
9
Amplifier Discussion / Re: Frontman 212R
« Last post by dlbraly on June 01, 2020, 11:21:20 PM »
Q8 Emitter is -41.8, Collector 163m v, Base -40.5 so I think that is off.

Q7 Emitter -52m V, Base -360mV, Collector -40,3
Q6 Emitter -3.2mV, Base -223mV, collector -379mV

I still have my -16V on one side of R70, R72, and D19, The other sides are all around -360mV
by these readings, I guess my problem is not in this area.

Do I keep going back? I see a triangle that says "Mute" and another one in grid D8 by the input jack.


10
Amplifier Discussion / Re: Frontman 212R
« Last post by Enzo on June 01, 2020, 02:19:18 AM »
Think circuits, not parts.   Q12,13 are in a circuit that stretches from V+ to V-.  If Q12 is not turned on, then the voltage from Q13 will be sitting on its collector.   And if Q13 is ON, that will be V- or similar.

The emitters Q0,10 are not low.  They are around zero, yes, but they connect to V- through Q8.  What is happening around Q8 anyway?
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