Orange TH100 - 100/70/50/35-watt 2-channel Tube Head - Orange B-Stock

2-channel, 100/70/50/35W Tube Amplifier Head with Effects Loop, and EL34 Power Tubes
Orange TH100 - 100/70/50/35-watt 2-channel Tube Head - Orange image 1
Orange TH100 - 100/70/50/35-watt 2-channel Tube Head - Orange image 1

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Orange TH100 - 100/70/50/35-watt 2-channel Tube Head - Orange
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100-watt Orange Powerhouse

The Orange TH100 all-tube guitar amplifier head gives you two channels that let you range from glassy clean to aggressively crunchy. This flexible beast lets you choose between 100-, 70-, 50-, and 35-watt settings, so you can get the absolute most out of this amp on a loud stage, in the rehearsal room, or in the studio. Orange amps are known for their massive crunch and gain settings. Many of the hardest bands out there today rely on Orange for their bone-crushing wall of sound. Get that Orange sound in your rig with the Orange TH100 tube head!

Orange TH100 Head 2-channel, 100-watt Guitar Amplifier Head at a Glance:
  • Dial in your tones
  • Killer Orange looks
  • Flexible power section
Dial in your tones

The boys over at Orange have made it extremely simple to dial in killer tone. The TH100 head only has six knobs, and of those only three per channel are used. The clean channel gives you treble, bass, and volume controls to get everything from warm cleans to spanky brights. You'll love the dirty channel's shape control; it takes you from classic rock EQs to traditional Orange EQs to modern metal EQs - all with one knob. The volume and gain knobs round out the dirty channel, and did we mention that this amps has tons of gain? We know gain at Sweetwater, and this amp has enough for even the heaviest of metal-heads.

Killer Orange looks

The Orange TH100 is immediately recognizable. Yes, the signature orange Tolex sticks out like a 7' basketball player at a preschool, but the classic white face, which is an Orange signature, it looks like no other amp out there. Everyone will notice your rig and want to know what it is. The guys who do know will have serious gear envy. Orange is classy, what else can we say?

Flexible power section

The TH100 head comes loaded with four ECC83 preamp tubes and four EL34 power tubes. The onboard effects loop is also tube powered (it uses a single ECC81 tube). The result? Big, beautiful, classic tones! When you want to keep the volume at lower levels but need to make those tubes cook, choose the low-wattage setting. It's ideal for the studio or for quieter practice environments. Want to make some tube-flavored noise at a reasonable stage or studio volume level? Choose the 35-watt setting. You can drive the power tubes hard without driving the neighbors away. When it's time to hit the stage, go for the 100-watt setting.

Orange TH100 Head 2-channel, 100-watt Guitar Amplifier Head Features:
  • Volume, shape, and gain controls on the dirty channel
  • Treble, bass, and volume controls on the clean channel
  • Effects loop
  • Class AB output, switchable between 100, 70, 50, and 35 watts
  • Preamp tubes: 4 x ECC83 preamp tubes, 4 x EL34 output tubes, and 1 x ECC81 effects loop tube
  • Half-power switch
Orange's TH100 head is an amazingly stage- and studio-friendly tube amp!

What is B-stock?

One of the biggest myths about "B-stock" equipment, is that it's defective. Not true. In fact, just the opposite!

  • B-Stock gear is in perfect working order and has met the same standards as new gear, but could have some slight cosmetic wear.
  • A B-stock unit could have only needed a small repair, or it was a perfect working unit that needed to be repackaged for shipping.

It may have lost that new gear smell, but it will work as well as any new piece of gear. Why should you buy "B-stock" gear? Because it is one of the best all-around values you'll find!

Additional Media

Guitar Amp Buying Guide

Tech Specs

Type Tube
Number of Channels 2
Total Power 100W
EQ 2-band with Shape
Number of Tubes 9
Preamp Tubes 4 x ECC83
Power Tubes 4 x EL34
Inputs 1 x Instrument
Outputs 3 x TS
Effects Loop Yes
Footswitch I/O Yes
Height 9.5"
Width 21.6"
Depth 9.5"
Weight 33 lbs.
Manufacturer Part Number TH100-H

Customer Reviews

Based on 2 reviews
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Glad to be the first one to review this BEAST! I've owned this amp for about 3 months and I'm super happy with it. I went with the TH100 first because of its ability to lower the output stage and its simple controls. The dirty channel totally smokes. Crisp high gain saturation. Orange has a certain tone that after you get used to it you will never need to use another amp.


I've owned a lot of amps over the years and have gigged with a bunch more. Road King, 5150, JSX, JCM2000 TSL, Bugera 1960, Rockerverb 100, on and on...I was really looking forward to getting this amp. I love the simplicity of the control layout. The specs would lead one to believe it's a more affordable Rockerverb. Unfortunately, the Orange TH100 is hands down one of the worst sounding heads I've ever bought. I had to send it back because it's so heinous. It's on par with an 80s Peavey Butcher or a 90s Crate Blue Voodoo. It's really that bad. Thin, harsh, raspy and not at all what I expected from an Orange. It's loud as all heck, so it's got that, I guess. The gain channel gets plenty distorted, but it's not thick or warm sounding at all. The shape knob just takes it from bad to worse. All mids, or no mids at either end of the control. Nowhere in between did it sound like the big, fat Orange tone I would expect. The clean channel is bright and piercing. Running a Fuzz Face into the clean channel, I had to dime the bass control and kill the treble control and it was still way too harsh. That same Fuzz Face sounds huge through almost any other amp I've used.
See also: Amp Heads, Orange, Orange Guitar Amp Heads