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Randall LB103 George Lynch Signature 100W Tube Guitar Amp Head

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A departure from George Lynch's previous series of Randall signature amps, the LB103 tube guitar amp head is not modular but holds a true tone with a...Click To Read More About This Product

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Tonally tweaked to George Lynch's satisfaction.

A departure from George Lynch's previous series of Randall signature amps, the LB103 tube guitar amp head is not modular but holds a true tone with a very simple signal path. Still, it gives you all the great tones that the Super V, Judge, and Unholy Grail modules delivered in one mean machine.

The all-tube LB103 head uses 4 JJE34L power tubes for a crushing 100W of power. Its 3 channels cover the aforementioned tones from George's MTS Signature modules. Controls include Master Volume and Presence and Gain, Volume, and 3-band EQ knobs for each channel. The rear panel has a serial FX loop with +4dBu/-10dBV selector, power tube bias section, and world voltage selector.

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RandallLB103 George Lynch Signature 100W Tube Guitar Amp Head

(based on 2 reviews)

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Reviewed by 2 customers

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(7 of 11 customers found this review helpful)


Hugely Disappointed

By Epiphone Purist

from Whitesburg, KY

See all my reviews

Comments about Randall LB103 George Lynch Signature 100W Tube Guitar Amp Head:

I sold a Marshall that I dearly loved because a salesman talked me into this. It wasn't hard since I was a huge Lynch fan. I had a Marshall 1960AV cab with vintage 30s to play through. Immediately, I noticed the clean is very sterile with little to no depth. The master volume does little to the overall volume. The individual channel volumes do that. The master just adds a little tube saturation. Secondly, the tubes are not JJ's but Ruby EL 34s. I called the dealer and he laughed and said all on his floor were. These tubes don't impress me. The second channel is supposed to be a hot rod plexi clone but has a boxy midrange that only goes from bad to mud to shrill. I've tried this through every cab but the matching cab and cannot find a decent sound. The third channel is anything but unholy. It is very clinical sounding, hollow, and dead. The second has more gain. If you want metal tone, get a 6505, Engl, or Mesa. If you want 80s buy a good Marshall. Stay away from this. I didn't buy this from Musicians friend so I couldn't return it. I am very disappointed.

(2 of 2 customers found this review helpful)


Hot Rod Plexi Amp

By MadrojDaMadone

from Oroville,CA

About Me Experienced

Verified Reviewer


  • Easy To Use
  • Excellent Sound
  • Good Warmth
  • Powerful


  • Limited Functions

Best Uses

  • Amateur Recording
  • Events
  • Home Studio
  • Performances

Comments about Randall LB103 George Lynch Signature 100W Tube Guitar Amp Head:

I did do the research on this amp before buying it. I was looking for a classic sounding plexi style amp. Love that classic plexi sound. I came across this amp and decided to get it and an LB412 cab. To my suprise I found that the cab I ordered and the cab that showed up were different. The cab I received was still a George Lynch model 412 but it was the high end version "croc skin gold line" edition. I made out on that one. The amp head is the black version that is currently available.

The amp head has 3 channels. Channel 1 is clean, mostly, til you roll up the gain and then you can get that classic breakup plexi sound of some of the more expensive Marshalls. Channel 2 is a distortion channel that is focused on mid range output. You will probably find you need to roll up the base and back the mids down a bit to play metal leads on this channel. Channel 3 is called Unholy. Keep in mind this amp is a Plexi Sounding amp. This channel gives you that classic Black Sabbath sound from the early Sabbath years.

Pros- Plexi sound plus tube amp equals warm classic metal tone. With 3 channels you can play/experiment for hours with different tones. The foot switch, supplied, is very easy to used and takes up very little space on a pedal board. The amp head and cab are very well built. Feels very solid.

Cons- This amp does not have onboard reverb or delay. You will have to use good analog pedals to get the most out of this amp. The manual that comes with the head is actually 6 pages and I was asking "where is that info at". Straight out of the box you will need to check and adjust the bias to 34mV. The manual does have good instuctions on that task and it was easy for me to do. I did not have to pull the back of the unit apart to get to the adjustment screws.

Overall review- This a great Plexi Style Amp with 3 channels and is cheaper than most of the Marshall Plexi Amps on the market. I give this amp an "8 out of 10" on the scale. Would have been higher if it had a built in reverb/delay function. If you are looking for an amp that has "Modern Metal Tones" this amp is not for you. This amp has great classic plexi tone and is awesome for playing classic metal.

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