Peavey Rock Master Tube Preamp
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Peavey Rock Master Tube Preamp

Rock Master Tube Preamp, Tube Guitar Preamp from Peavey.

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All user reviews for the Peavey Rock Master Tube Preamp

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Average Score:4.4( 4.4/5 based on 18 reviews )
 10 reviews56 %
 7 reviews39 %
 1 user review6 %
James Lenahan11/21/2013

James Lenahan's review"This Has Nothing To Do With The 5150."

Peavey Rock Master Tube Preamp
Lately, I've been reading where people are making claims that the Rockmaster preamp was the "inspiration" for the Peavey 5150 amplifier. It was not. I worked for Soldano back in the 1980's. Ed Van Halen came in and bought three SLO-100 heads. He took one and showed it to Peavey. That's where the inspiration for the 5150 came from. The preamp of a Soldano SLO-100 and the preamp of the 5150 are identical. I remember Mike Soldano being a little miffed about it at the time. Eddie also took the Music Man guitar they made for him and showed that to Peavey, too. This is where the Wolfgang came from. Sterling Ball was not too happy about that, either. A person who I considered a good friend took one of my own amplifiers that I had built for him that contained a unique overdrive circuit and showed it to Fender. Later, a few of Fender's amps implemented that same overdrive circuit. Coincidence? I think not. In any case, the Rockmaster preamp has nothing to do with the 5150, no matter how badly you wish it did.

UTILIZATION

It's OK.

SOUNDS

Average.

OVERALL OPINION

It was cheap.
iamqman07/05/2011

iamqman's review"Awesome!"

Peavey Rock Master Tube Preamp
This is a great sounding and easy to use preamp. Th features and easy of use coincide with the quality that Peavey stands for. Peavey has made some amazing sounding pieces of equipment this is one of those legendary units that still has a great place in today's modern music world. If you want somthing that is cheap but bot cheaply made and that will sound fantastic then this is a great preamp to start with.

This unit has been rumored to have been where Peavey got there inspiration to do the 5150 amps. Most people who have been around guitar amps enough know that the Peavey 5150 amps that were a signature model for Eddie Van Halen have been one of the most used and highly sought after not only for their sound but also for their competitive pricing. I have seen 5150's go for the used price of $450 and as high as %900 depending the conditions and what not.

UTILIZATION

This unit is essentially a three amp preamp which has a clean gain, and crunch gain, and an ultra gain. These modes or channels all share the same EQing and equally have a place to stand on. Each mode has a great sound and fits into a set list quite well.

There isn't much to get discouraged from or misunderstand with this preamp. The controls are laid out very well and easy to understand. The definitions of each control knob are pretty self explanatory and easy to figure out. The only thing that is unique is probably the post gain which is essentially the volume for the amp.

SOUNDS

The tone from this amp is phenomenal. I think the Peavey tone lives on the ultra high gain mode whether it is a 6505, 5150 or this Rock master. The ultra high gain modes in most of not all Peavey amps sounds the best to my ears. I ave ever been a fan of their low gain amps such as the classic series or simply just the clean channels of most of their amps. The uber high intensity is the Peavey tone and most likely will be for ever amp they produce.

OVERALL OPINION

These units have been discontinued a long time ago. So the used market is the only way to go to grab this unit. I have seen them for around under $200. That is a great price for this unit. The only competitor for this preamp in my opinion is the ADA MP1 which is another phenomenal preamp. Different voicing but a beats on its own as well. This preamp is a little cheaper than an MP1 , but the ADA has more features.
Everlone07/05/2011

Everlone's review"The Rockmaster rocks!"

Peavey Rock Master Tube Preamp
The Peavey Rockmaster preamp is an all tube, three channel guitar preamp. Like many other Peavey guitar amps, the channels are labeled Clean, Crunch and Ultra, and the Crunch and Ultra channels have a three band active EQ labeled Bottom, Body and Edge for the low, mid, and high frequencies. The Body knob can be pulled to shift the mid frequency higher for a more mid-scooped sound. The Crunch and Ultra channels have their own gain and level controls labeled Pre and Post. The Pre knobs can be pulled on these two channels for a gain boost. The Clean channel has its own Low, Mid, High, Presence and level controls. This preamp has an unprecedented five effects loops; one loop per channel, plus one that affects the Crunch and Ultra simultaneously, and a global loop that affects all of the channels. The Rockmaster also has both a high and a low gain input for different output pickups. There is also an XLR balanced line out on the back.

UTILIZATION

I find it very easy to dial in a good sound on the Rockmaster.

SOUNDS

I use a Gibson Les Paul Custom and run the Rockmaster into the effects return of a Peavey Classic 50 2x12 combo. I’ve tried running a Danelectro Fish n’ Chips graphic EQ in the Crunch and Ultra loops because they share an EQ, and this gave the two channels a more unique and differentiating tone. The Rockmaster is capable of sparkling cleans, mid-gain Marshall like crunch, and full on metal saturation. The key to these tones are in the push/pull gain knobs and the push/pull Body knob.

OVERALL OPINION

My favorite thing about the Rockmaster is its versatility. That, and how inexpensive they are to buy. This is my second Rockmaster. I sold the first one thinking there was something out there that would make me happier, and within weeks I regretted it. I’ll be holding on to this one for a while.
wwhhhaatt06/24/2011

wwhhhaatt's review"Sleeper pre-amp"

Peavey Rock Master Tube Preamp
All analog tube pre-amp
Three foot switchable channels from clean to high gain
Separate effects loops for each channel plus a global loop and crunch/lead loop
1/4" connections and balanced line out

UTILIZATION

Being an analog pre-amp it is quite simple to set up. There are no digital read outs or menus to navigate through. Everything is plainly labeled and straight forward so if you have a basic understanding of EQ you will be good to go.. I bought this used without a manual but had no problem getting a good sound out of it quickly.

SOUNDS

I was really impressed by the sound of this pre-amp. I bought it on whim after hearing about it from a guitar player who was into shred and 80's style music. I thought at worst it would get me some decent high gain to get me by until I could afford something a bit more modern. I ran it with a peavey 50/50 power amp into a carvin legacy cab and it easily got a modern metal sound. This box has a lot of meat to it when dialed in properly and even running into the el84 based power amp I could still get close to the sound of a 5150. The clean channel is also good and for me was actually much better sounding than peavey's other high gain amps I have tried.

You get a lot of EQ options with the resonance and shift knobs plus having all the effects loop options makes it easy to stick outboard units in the seperate channels for further tone shaping. I ran a furman PQ3 in the lead channel effects loop and a light reverb in the clean channel's loop.

OVERALL OPINION

If you are looking for a simple to use pre-amp with a wide variety of sounds check this out before dropping tons of money on the more expensive brands. I think peavey over-all is an underrated company and their stuff is built tough. Sure there are some better units out there but they are sometimes double the price for a 10% difference in tone. I have moved on to a different set up but still keep the rock-master around just in case.

The only issue I ever had with this unit is the effects loops would sometimes stick open when not used. When this happens it's like having a bad cable between the channel and the output so you lose a lot of signal. It's an easy fix by just working a cable in and out a few times to get the contact going again. You can also just leave a 1/4" cable in each of the unused loops to avoid the problem all together.
Hatsubai03/16/2011

Hatsubai's review"Heavy sounding preamp"

Peavey Rock Master Tube Preamp
The Rockmaster is an interesting preamp that Peavey introduced. It features three channels with some ridiculous amounts of gain. If I recall correctly, the preamp is actually somewhat similar to the XXX and JSX. One big issue is that it did not have MIDI. This generally caused it to be overlooked in the preamp world.

UTILIZATION

A big problem with the Rockmaster is that the solder joints tend to go flaky and cause the unit to die. There are guys out there who can fix this, but it can be a real hassle. It's also a fairly common issue, so reliability on the unit is questionable. You also cannot switch channels without a footswitch, so if someone forgot to include the footswitch, you have to be clever when it comes to switching channels. The unit also tends to lose knobs. The manual can be very hard to find, but it's not exactly necessary for this device.

SOUNDS

Sound wise, this thing is very heavy. It has tons of gain on tap, and it can does awesome in a metal band situation. Pair it with the right power amp, and the thing will start to roar. The cleans aren't too bad, and even mid gain tones are pretty good. The controls are fairly sensitive, so it's worth taking a few minutes to really mess with the unit.

OVERALL OPINION

Despite its reliability issues, the preamp sounds quite nice when it's working. If you're in the market for one, check to see if it has had the solder joints touched up. If it hasn't and the unit sounds somewhat flaky, I would recommend contacting Jerry @ FJA Mods. He knows the issue well and can fix it right up for you. I just wish the unit had MIDI. The lack of MIDI implementation means you'll need to buy another device to MIDI everything up in a rack, and considering how important MIDI is to racks, it's a bit of a pain.
guigue10601/27/2014

guigue106's review (This content has been automatically translated from French)" excellent compromise"

Peavey Rock Master Tube Preamp
preamp has lights that visibly works to perfection with 12AX7 china ....

5 loop effects ca c is top:
one for each channel and a channel 2 for a saturated and finally to the common channel 3.

UTILIZATION

There is nothing that breaks three legs has a duck in the idea of ​​touring knob ....

the manual is sometimes useful for a used wisely well make the difference between 0V / 3V and XLR output.

if the lamps are effective on branch on buggers and ca sending 400gr steak like for enslaved person

SOUNDS

yes yes yes it has totally agree that I play with a very progressive game is just not doing more vintage XD

with this war machine I get the sound I was looking for since the dawn of time, for my part I do not use me 4 * 12 and other engl power ball I do not know what .... my preamp sound card xlr, guitar rigg April 1 pair of 4 * 12 reward with a sm Micro SD 57, a relatively short delay psycho like 450 ms and a touch of reverb back and BAS-TA!

nothing ca, it gives the same effect as a phalanx of cabinet space in the front less.

I play with an Ibanez vai a petrucci ibanez, a universe, esp m2 a brief of what beefy ...

when you take a little cabbage over the clear sound can dislocated casually always rigg 4EN downstream ....

OVERALL OPINION

Customers who bought this product on the net has already 1 year OCCAZ 200 m balls seller had certified that it functioned but nikel c arrival home was a disaster because he was stranded (without me having the say) following welds well done .... So 50 balls repair costs.

short all this back on the right path, I first tested the distortion 1 in pull mode and ...
I have been blown away by the grain and texture, I listened more than grain remembered "pull me under" I'm not saying I have it, but a very similar approach with the grain well "dug" this kind of super well-overdrive "right" good "narrow" good "own" that could be compared to that of Rondat or even malmsteen.

when we play in push mode, the grain is "wise" ideal for phrasing of intro "satrianesque" remaining volume c background is truly amazing

when do we go ultra fashionable c is the medium that expresses itself and the fury of a shred s can be expressed in the cleanliness and the velocity c is really a tool exception.

the clean is a little "vintage" but if it was a little fired pretty clear sound quite similar to the iced earth for example (it certainly must love) me I love this type of sound 90/2000 well-honed ear.

I can not understand: or else we found that it was "Criare" and "too sharp", is reviewing the amp just be or used otherwise for me frankly nothing to say.

I've used distos: metal muff, tubeman 2 ds1, ds 2, digitech death metal and other mt2 but I have found the gem that brings to m if its "narrow" and "right" I sublime in Rhythmic "pull me under"

Not having the funds to pay me a triaxxis, I folded my hope that in the above, and I am delighted with the quality of this product (which requires a little maintenance from the top of its 25 years .... )
peavey c is right, c is sharp and ca not drool, again you must love! (You find these little grains through VYPYR amps that are far more stunning than line6 pod xt for example)

I put 9 because

- Without the switch you have in your bones to change channels and to top it all it is a very plastoc switch in ugly ....
- Must stop play to play the "push-pull" that n is alas not the motorized switch :/

I toggle from time to time with my voodu valve (and the same preset rigg4) has an interesting grain but it is another story

if he drops me, I rechope in a presto on the net!
falken710/29/2013

falken7's review (This content has been automatically translated from French)" High gain!"

Peavey Rock Master Tube Preamp
4 12AX7 preamp lamps,

One for the clean channel
1 for the "crunch"
1 for the "lead"
1 for equalization

Rich connectivity, an effects loop for each channel, one for saturated two channels and one for 3 channels.

Possibility of wide sounds fine equalization ... too?

UTILIZATION

This preamp is relatively simple to set up, take into account the push-pull of voicing (body) and pre gain mistletoe act as low-pass filters.

The sound is very metal, death rather 80's 90's

I've never seen so much gain on a preamp, beyond the 5/10 is also difficult to use.


Essential guide

SOUNDS

This preamp is built for shred, metal and possibly a rock a little stonner. It quickly gets a heavy sound, the first kind of Megadeth albums.

The clean sound is bright enough, lots of bass.

OVERALL OPINION

Good product for the price, it brings a strangely mesa boogie studio preamp, and by design, and share these components ...

Very good choice for the above-named styles.
pierrelaforge07/14/2009

pierrelaforge's review (This content has been automatically translated from French)" Excellent preamp tubes full"

Peavey Rock Master Tube Preamp
Ladies Gentlemen: This is a REAL full preamp tubes (which is rare in the racks) and it's a MONSTER! Three channels: clean / OD / distortion with EQ 4-band EQ on the clean & 3-band common to the OD & distortion. 4 effects loops: one per channel + a global practice to insert a delay on its lead by example. Note: one of the four lamps RockMaster is used for loops (to enhance the signal at the output of the pedals).

UTILIZATION

While there is clearly the plug and play: This preamp sounds regardless of the settings, unlike some preamps that must be addressed to the millimeter to have a drinking her. The RockMaster plugs is adjusted in seconds and the eq ... graaaaaaave it sounds! On any gear, even live on a sound card as it does not simu HP! (Lower acute need of course)

SOUNDS

The sound is clearly the biggest asset of this preamp: it rings, it rings and rings! It's amazing: the sound is not round but rather "right" with a lot of heat, however (not dry, attention), which surprised me at first use is the clean bass, very present , which give the appearance that I might call a little "dark". Do not hesitate to put a lot of mediums.

There is also a push / pull mids on the eq OD / distortion that can dig the low-mids, this produces a modern sound (useful for the hardcore, yeah!) Highlighting the low very serious. I use a 10 band eq pedal between the preamp and my power amp to select the frequencies that I like, and there is obtained almost sounds pro.

OVERALL OPINION

YES, I would do this choice, this preamp is amazing, every time I play as a group the guys laughing on seeing the vehicle whose design is a bit dated (pink & black!) But huge eyes open when I myself to play! This preamp has only three sounds, but of excellent quality. I got mine at € 200 ... he ridicules or any distortion pedal and a lot more amp Honer. Food for thought ... <img class="smiley" src="https://fr.audiofanzine.com/images/audiofanzine/interface/smileys/icon_wink.gif" alt="wink" />
Marchal02/16/2009

Marchal's review (This content has been automatically translated from French)

Peavey Rock Master Tube Preamp
O Here is a site we have changed the bte but do not rely on sound poorly recorded.
http://www.fjamods.com/Rockmaster.html

UTILIZATION

...

SOUNDS

It's full of lights (there is no one but 4) and means.
Proof:
https://i201.photobucket.com/albums/aa147/tubeguitaramps/peavey/PeaveyRockmaster.jpg
3 channels:
The clean sounds can be crystalline, Mark Knopfler Hello friends;)
It's hot. It is his lamp.
Crunch or saturation of high quality.
His hyper saturated death metal genre possible.

OVERALL OPINION

Can easily compete with the high-end preamps lamp.
Judas01/09/2009

Judas's review (This content has been automatically translated from French)

Peavey Rock Master Tube Preamp
2.5-channel preamp tubes (4 tubes, which combine to create different levels of gain).

Many loops on the rear of the animal (but it is better to put a strap if you use them), and a footswitch to change channels (can not switch between channels without)

UTILIZATION

Nothing complicated, turn buttons, pulling on some buttons (push / pull for gain on the crunch and ultra channels or mediums to dig) .. It could not be easier!

A small problem, common to the equalization crunch and ultra channels. So we must make a compromise between the soloist and the rhythm and see the Lead as a booster for his solos rather than a separate channel.

SOUNDS

While there, it sends heavy! (Tested with lamps peavey original).

The crunch and lead channels have a huge headroom (there are too many, I never exceeded the 5 or 6 of 12). It sounds very like peavey saturation (cold, dry, and a little fuzzy), very close to 5150. In his lead, we arrive at a sound approach to the EVH without any worries with a scraper to humbuckers.

Be careful to have good microphones, microphones imprecise tend to drool and give a slurry foul.

I just find the treble a little too aggressive on this preamp, but it's still a good machine!

in clean, fine, I would say no more. This is a clear American style, very straight. I would say it's interesting for a metal.

OVERALL OPINION

I have this amp for 2 months. I bought it to complement my JMP1 to make me a versatile rack (JMP1 = big rock, RockMaster = metal), and it fulfills its role!

Attention, however, it is not a very versatile preamp, but it remains a very good unit, very rare and hard to find (again, with its qualities, it tends to sell readily used).

I had mine in perfect condition, hibernating in a homestudio for over 10 years.