Marshall 1959HW Hand Wired Plexi 100 Watt Tube Amp | Inside Out in Depth Review | Tony Mckenzie @tonymckenzieofficial
Marshall 1959HW Hand Wired Plexi 100 Watt Tube Amp | Inside Out in Depth Review | Tony Mckenzie  @tonymckenzieofficial
Uploaded March 2020 | Updated September 2026, 2 weeks ago
A close up in depth review of the Marshall 1959HW hand wired 100 watt guitar amplifier inside and out. The series features tube guitar amplifiers from Marshall Amplification in the UK. This is a close up of the whole amplifier showing why these 1959HW amps are so sought after and the quality of the amp overall. Other videos show playing with a Gibson Jimmy Page guitar, Ibanez, Fender and other equipment including attenuation devices.

Contents
Preamble: 0:00
Start of Review: 6:15
Specifications: 7:15
Cost of the amp: 9:00
Age of the Amp: 9:30
Remove Chassis: 11:00
Chassis Top: 12:30
Inside the Chassis: 18:45
Marshall's Opinion: 22:40
More Chassis: 24:55
I/O & Controls: 43:30
1st Opinion: 49:00
Schematics: 53:30
Attenuation Devices: 59:00
Summing up & Score: 1:02:00

Get answers and info for questions like:

Why review this Marshall 1959HW amp?
What are these Plexi amps good for?
Is this amp OK for home use?
Can I gig with this Marshall?
What is the construction?
What is the overall review score?
Were you paid to review this amplifier?
Where can I buy one?

Video 2 in the series: youtu.be/MesLdo5zIDU About matched power tubes, preamp tubes, biasing and a look at the JTM45

Video 3 in the series: youtu.be/y5KBUgkx4KM About the Boss tube amp expander with playing through the 1959 hand wired amp

Video 4 in the series: coming soon
Video 5 in the series: coming soon
Video 6 in the series: coming soon

The Marshall 1959HW hand wired is one of those guitar amps that when you have played through a 'Plexi' amplifier you will never forget that experience. This amp is made basically how they used to make guitar amps back in 1968 and 1969 - made for men! (and maybe women too!).

This is a very heavy amplifier and the cost is very high, let alone the overall volume can be earth shattering... so why would anyone even consider one of these as a serious choice for a guitar amplifier? Well, the answer is simple - its the tone that you get from one of these when you crank up the amplifier. Unfortunately at first glance (or hearing) you might immediately decide not to buy one. But that would be a very big mistake.

Today, this tube amplifier can be tamed - you don't have to play arenas to use one) with equipment readily available and it can even be flat out, but quieter than a mouse. But the main advantage over near enough everything else is that guitar tone... it surpasses most everything else out there.

In this video I examine the 1959HW hand wired amp as no one does in any review and take a really close look at the quality of the build, at the components used, and importantly, offer advice on how you can tame this amplifier so it can be used without any volume issues that you would otherwise experience. Playing one of these will leave you in no doubt about who the king of rock amp makers really is.

This is my 300th review on YouTube and what a fine Marshall amplifier I chose for this occasion.

The rest of the series covers modifications, other model Marshall amps such as the JTM45 30 watt amp and the Studio JCM800 STEALTH that's released any time now. I also cover the aspect of accessories such as volume attenuation and load boxes and other things on other videos such as the 1959HW biasing and fitting new tubes. I sincerely trust you like the whole series.

Visit tonymckenzie.com for other non YouTube reviews of fine guitars, amps and other guitar related gear, and of course my YouTube channel with at least 300+ reviews online right now! I buy all of the equipment and my reviews are not sponsored by third parties so you get a review that will always 'tell it the way it is' about all reviewed equipment.

PLEASE SUBSCRIBE AND RING THE BELL. And if you like the video then thumbs up! Thanks - its always appreciated and I won't bombard you with reviews!

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#marshall #1959hw #guitaramp #handwired #review
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Marshall 1959HW Hand Wired Plexi 100 Watt Tube Amp | Inside Out in Depth Review | Tony Mckenzie

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