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Old 10-08-2012, 11:39 AM   #1
JayCartay
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NAD - My first tube amp!

Well here it is, my first tube amp! Well, actually it's a hybrid, it has an SS preamp and a tube power amp. It sounds amazing, at least to me, coming from a Marshall Valvestate VS100. I just love it, I've got the clean set up with just a tiny bit of bite to it and then have my Boss Blues Driver in place for a nice crisp overdrive

OK, so it's battered as ****, it's rusty on every piece of metal, missing a control knob and smells a bit...... interesting! But it cost me £32 and I bloody love it

I found it a bit strange having two gain knobs and no volume. It seems that one will provide a driven sound if cranked up and the other generally acts as a volume control.















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Old 10-08-2012, 11:41 AM   #2
Telecaster7
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Nice!

Someone who as an amp like this may know exactly, but I'm pretty sure that pre-gain is essentially the gain knob while post-gain is pretty much the volume control.
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Old 10-08-2012, 11:46 AM   #3
Wesbanez
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Well done for resizing the huuuuuge pictures

Nice amp, although being at least 25 years old, I'd take it straight to a repair shop and get what I imagine are huge filter caps on the power supply swapped out (assuming they've never been touched).

How does it sound? These days it seems more common to have hybrids with all valve pre amp and a SS power section...
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Old 10-08-2012, 11:54 AM   #4
JayCartay
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It sounds great, it has a really nice clarity to it.

What's the benefit of changing the filter caps? The speakers are original so I'm tempted to change them at some point. I see Celestions mentioned a lot on here. But as I say, it actually sounds great just now.

Pics were ridiculous originally
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Old 10-08-2012, 12:00 PM   #5
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Quote:
Originally Posted by JayCartay
What's the benefit of changing the filter caps?


They go bad over time which leads the sound degredation. Plus with a few hundred volts nicely stored up in them, Id want to be sure they were not about to fail.
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Old 10-08-2012, 12:15 PM   #6
JayCartay
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Cool, I'll have a word with the guitar tech I used on my last setup and see if he can do this kind of work.
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Old 10-08-2012, 12:17 PM   #7
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OK, so it's battered as ****, it's rusty on every piece of metal, missing a control knob and smells a bit...... interesting!


That is the smell of Rock n Roll, baby!

Enjoy your NAD!
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Old 10-08-2012, 12:42 PM   #8
ihartfood
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Peavey makes the best hybrids. HNAD
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Old 10-08-2012, 01:03 PM   #9
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Originally Posted by Wesbanez
They go bad over time which leads the sound degredation. Plus with a few hundred volts nicely stored up in them, Id want to be sure they were not about to fail.


I'm not sure I see the point here. If they're going bad, the power supply to the rest of the amp should be going bad as well and he'd probably be able to hear something is wrong, like hum, etc... Considering the age I'd check the tubes first. But if he says it sounds amazing then it looks like he shouldnt worry about all that just yet. I mean, it can't hurt to have it checked by a specialist but I can't see why he should...

But for sure Jay DON'T TOUCH THOSE FILTER CAPS regardless of what you do! Unless you know what you're doing and understand the risks.
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Old 10-08-2012, 01:09 PM   #10
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£32 ? What about I give you £50 for it You will win almost £20 this way

Happy new amp day!
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Old 10-08-2012, 05:28 PM   #11
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Originally Posted by OliveG
I'm not sure I see the point here. If they're going bad, the power supply to the rest of the amp should be going bad as well and he'd probably be able to hear something is wrong, like hum, etc... Considering the age I'd check the tubes first. But if he says it sounds amazing then it looks like he shouldnt worry about all that just yet. I mean, it can't hurt to have it checked by a specialist but I can't see why he should...

But for sure Jay DON'T TOUCH THOSE FILTER CAPS regardless of what you do! Unless you know what you're doing and understand the risks.


For sure, if there's no obvious degradation, probably not worth the ball ache, but still... id get em checked.

Defo DO NOT TOUCH warning there...
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Old 10-08-2012, 05:34 PM   #12
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As far as gain goes, it does not really mean distortion. Gain is just how much the signal is amplified. In recent years with the gain in guitar amps made to cause the signal to distort the terms distortion and gain have become interchangeable, even though they're two different things.
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Old 10-08-2012, 05:47 PM   #13
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My first amps, were a set of two old peavy's that were given to me free along with a digitech guitar effects rack mount. My Dad's friend did electroincs for digitech here in Utah. Plus he gave me my first guitar, a SG style from Japan or some off the way name.

However that amp looks tits. The peavy's I had lasted, but one did crash on me, I ended up selling it my girly friend's mom, cause she wanted decoration of music equipment.
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Old 10-08-2012, 09:40 PM   #14
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Quote:
Originally Posted by RyanStorm13
My first amps, were a set of two old peavy's that were given to me free along with a digitech guitar effects rack mount. My Dad's friend did electroincs for digitech here in Utah. Plus he gave me my first guitar, a SG style from Japan or some off the way name.


Sweet! I used to have a GSP2101. Boy that thing was a pain to use... how did people do it before without the internet?! But even though I had bought it used Digitech's support was always there to answer any questions. That was very nice.

Not that long ago I had a problem with my M-Audio Audiophiles monitors, and they tried to charge me to ask a question. Some people do not understand the concept of business. I sure will never buy any of their products again...
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Old 10-08-2012, 09:48 PM   #15
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A friend of mine has an amp similar to that one. Congrats!
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Old 10-09-2012, 12:25 AM   #16
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HNAD. play it see how it sounds, bad filter caps or tubes would audibly degrade the sound. no harm in getting it checked out, but i have bought amps older than that on the cheap side and they have been fine except for a beat to hell Randall RG100ES i bought for $40. sold for $350.

it wouldn't hurt to get it looked over, but if anything is wrong its probably tubes, and if you have problems after that, then i would look at filter caps.

i have a 70's hybrid ampeg that was in decent shape and is not in need of anything. its all on a case by case basis.

sometimes you don't need to fix anything if nothing is broken.



nice deal.
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