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Marshall 2245 JTM45 30W Reissue Tube Guitar Amp Head



It's always a pleasure to have any Marshall in, but this Marshall 2245 JTM45 30W Reissue Tube Guitar Amp Head has been especially fun. The amp is meant to replicate the tone of Jim Marshall's earliest creation, and this reissue is no exception.

Story time: I grew up playing a JCM900, so playing this really opened my eyes to the diverse number of tones Marshall's can accomplish while still maintaining that tone we all know and love. Plenty of clean headroom, warm tone, and it sounds good at low and high volumes. Jumping the two channels also give the user a ton of control over the tone. The "Normal" channel (input 1) has more bass and low-end while the "High treble" channel (input 2) has more... high treble. Using the independent volumes on this feels fairly intuitive after a little bit of jam-time. I still find myself using the presence knob more often than not when dialing in any tone.

Just an all around great amp that looks amazing. This example is in excellent condition, showing hardly any signs of wear or use. 

Here's what the folks at Marshall have to say:

Marshall JTM45 Tube Amplifier Head at a Glance:

  • Your guitar will sing
  • Vintage reissue
  • Low wattage for a vintage Marshall
Your guitar will sing

If vintage blues and rock tones are what you crave, then you'll love the Marshall JTM45. This isn't a high-gain amp for metal, nor is it a programmable, multi-channel monster. This is the guitar tone that shaped the sound of '60s blues and rock, from sweet and smooth clean tones to overdriven, growling dirt. One channel and basic tone controls are all that's needed for iconic tone. And if you need to push the JTM45 to the limit, just put your favorite gain boost pedal in front of it and listen to your guitar sing.

Vintage reissue

Part of Marshall's Vintage Series, the JTM45 amp head is an exact re-creation of the legendary amp from the '60s. Also known as the 2245, the JTM45 packs three ECC83 preamp tubes and a pair of 5881 power tubes for incredible tonal prowess. You also get the revered GZ34 tube rectifier, which is responsible for the JTM45's smooth, singing quality.

Low wattage for a vintage Marshall

The JTM45 only uses 30 watts of power to create its epic tones. That's pretty low power when you consider Marshall's other models at the time. But 30 watts is perfect for live use in small- to medium-sized venues, and it's ideal for recording. You can get the sound of a fully-pegged tube amp at a much more reasonable volume level, reducing mic bleed in your studio and your onstage volume when gigging out.

Marshall JTM45 Tube Amplifier Head Features:
  • Accurate reissue of the legendary JTM45 amplifier, a '60s rock legend
  • 30 watts of power, perfect for gigging and recording
  • GZ34 tube rectifier adds natural, smooth compression and sustain to your tone
  • Sounds great with gain boost pedal in front of it
  • Straightforward control set is all you need to craft a range of vintage '60s guitar tones

Tech Specs

  • Type:Tube
  • Number of Channels:2
  • Total Power:30W
  • Preamp Tubes:3 x ECC83
  • Power Tubes:2 x 5881
  • EQ:3-band EQ, Presence
  • Inputs:2 x 1/4" (ch 1), 2 x 1/4" (ch 2)
  • Outputs:2 x 1/4" (4/8/16 ohms)
  • Effects Loop:No
  • Construction Material:Black Tolex
  • Power Source:Standard IEC AC cable
  • Height:8.07"
  • Width:25.98"
  • Depth:10.24"
  • Weight:32.19 lbs.