Bogner 20th Anniversary Shiva 90-watt Handwired Tube Head - No Reverb

90W Tube Guitar Amplifier Head
5/5 3 Write review Item ID: ShivaHD20th
Bogner 20th Anniversary Shiva 90-watt Handwired Tube Head - No Reverb image 1
Bogner 20th Anniversary Shiva 90-watt Handwired Tube Head - No Reverb image 1
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Bogner 20th Anniversary Shiva 90-watt Handwired Tube Head - No Reverb
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This Shiva's Feistier Than Ever!

This 20th Anniversary Shiva may be Bogner's most versatile Shiva ever! This beauty features a cool new look plus newly voiced channels for maximum tone. The clean channel, in fact, sports a new boost circuit with a separate gain stage system that keeps the tone controls active all the time. Use it to head into Plexi territory, if that's your thing. Plus, the 20th Anniversary Shiva's gain channel has more gain than ever. And the two push-button switches let you further sculpt your tone. Use the shift button to shift the EQ into Blackface sort of feel... less mids and generally a softer sound. Use the mode button to get a more aggressive vibe. Whatever you do, the 90-watt KT88-tube-powered Bogner 20th Anniversary Shiva delivers the tonal goods, and then some.

Bogner 20th Anniversary Shiva 90-watt Guitar Amplifier Head Features at a Glance:
  • 90-watt guitar amplifier head
  • Plexi panel with gold background with classic bottom mount look
  • Footswitchable 2-channel all-tube design
  • Footswitchable boost, variable on channel 2
  • Tube-buffered series FX loop
  • Channel 1 includes bass, treble, volume, and bright controls
  • Channel 2 includes bass, middle, treble, gain, volume, bright, shift, and mode switch controls
  • Global master volume, presence, and excursion controls
  • Functions on footswitch include channel switch and boost
  • 90-watt KT88 power amp section
Get yourself a killer-sounding version of a Bogner-favorite: the Shiva 20th Anniversary 90-watt amplifier head!

Additional Media

Guitar Amp Buying Guide
Shiva Series User Manual

Tech Specs

Type Tube
Number of Channels 2
Total Power 90W
EQ 2-band (Channel 1) 3-band (Channel 2)
Preamp Tubes 4 x 12AX7
Power Tubes 2 x KT88
Inputs 1 x Instrument
Outputs 2 x Speaker
Effects Loop Yes
Footswitch I/O Yes
Height 11.5"
Width 24.5"
Depth 10.5"
Weight 41 lbs.
Manufacturer Part Number SHIK20thA

Customer Reviews

Based on 3 reviews
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Excellent Amp! Believe the hype!

When I look for a 2 channel amp I have 5 criteria's that must be met, clean sound, pedal platform, dirty sound, good loop, and master volume. This beast covers all of them beautifully! This beast sounds great at all volumes, better at gigging volumes, and can peal the paint if you would like it to, Clean sound - Amazing! Unbelievable head room. Just beautiful. Can add the boost feature to add some grit. The boost puts you into JTM45 teritory. It really is a great channel. Without the boost you can get ear splitting volume while staying clean! Pedal platform - The clean channel takes overdrives exceptionally well. I have played many shows with just the clean channel and pedals!. The clean channel loves modulating pedals like chorus/phase/flange too! Anything from clean boost through distortion. Dirty sound - Bogner has it's own thing going on here. Don't expect a Triple Rec or JCM800 out of the box. Having said that, it's own thing happens to be a very, very good thing! Very thick sounding. You have a 3 band eq with presence and excursion (resonance) on the back, boost, mid scoop, and mode switch. The excursion has tons of low end. The mid shift scoops out the the mids as advertised. The mode boosts the mid-range adding quite a bit of gain. Very thick. It is also compressed quite a bit (can be a pro or con depending on your needs). The boost adds gain, but in a less compressed way. Maxing it out will compress it but in the middle is some great uncompressed gain tones. It is controlled with a separate volume so you could use it that way or set it at unity to just boost gain. Both work great. You can get old plexi type tones, bump up the presence and get old 200w Major type tones, or lots of gain gets you in modern territory. Lots of great sounding possibilities. And the gain channel loves TS pedals to goose the front end! FX loop - Just great. I keep my delay, lead boost pedal, and harmony pedal here. Love it. Best loop I've heard. Master volume - Just great. Wish all MV's worked like this. Bottom line is this is a great amp. Can cover many styles. Having gigged with it for 8 months, I couldn't be happier. Individual pedals keep their tones and each guitar (strat/tele/LP) shine through as well displaying their own character! I'm partial to green back 4x12 cabs but I did hear it through a Bogner 2x12 oversided which was amazing as well.
Music background: Gigging musician

If you could only have one amp on a deserted island....

Having collected a multitude of different amps over the years (Bad Cat, MB, 65 Amps, Orange, Bogner, etc), this version of the Shiva is the end point for me. The versatility is astounding. Channel 1 goes from Fender clean to Plexi bark with boost engaged. Clean headroom is enormous (and btw it takes OD pedals incredibly well). Channel 2 runs the gamut with the different modes from classic Shiva Marshall-esque crunch to raging over-the-top gain. The voicing in all modes is just nailed right. Agree with the earlier feedback that although this can be a loud amp, the excursion control adds depth while playing at lower volumes. It just sounds good quiet and it sounds good loud. If you're like me and are tone-restless with amps, this will probably be your last stop. It's just that good.
Music background: semi-pro musician

My Grailtone Quest Has Ended

WARNING!! Use of this device may cause disuse of any other similar device in your possession!!! In a word, the Bogner 20th Anniversary Custom Shop Shiva is…..perfect. I am NOT easily impressed by the plethora of gear available today. With that said, the Shiva 20th Anniversary has certainly found a place in my personal quest for the elusive “Grail Tone”. My journey's end. I had the EL34 and EL84 bases already covered with my Mesa Stiletto Ace and Orange Tiny Terror and was looking for something “different”. I had remembered Bogner during my original fact finding mission for amps a few years back but the price point was always a little too rich for me. I decided to revisit them and learned they had a KT88 Power Tube line which is the Shiva 20th Anniversary model produced by Bogner’s Custom Shop in Los Angeles. With the help of my excellent Sales Engineer, Eddie Tighe, at Sweetwater I was able to determine that a KT88 amp might just suite my needs based on our many conversations over the phone and email communiqués. I decided to pull the trigger and take a calculated chance. The bottom line… get what you pay for. And this amp is no exception. Even though it’s an absolute BEAST with 90 watts and weighing in at 41 pounds, I was surprised and impressed to hear how great this sounds even at “bedroom volume”. This is accomplished by a feature which enables you to accentuate the bass and headroom response via a rotary dial in the rear much like the “loudness” buttons on the older stereo units did in the past. There are 2 channels. 1 for Clean and 2 for dirty. The clean has SO much sparkle and bell-like chime its unreal. When you dig into a bass string it’s like a solid punch in the chest. Tons of bass response but absolutely CLEAR. Both channels have a bright switch included and the face and boost/channel which is operated by a footswitch or manual mode via a rotary switch in the rear. Channel 2 has a “Mode” button which is like adding an extra rectifier in the circuit thus giving it a very in-your-face tone. There is also a separate Boost Volume and “Shift” button which, as described in the manual, gives the amp a Dumble-like tone. Having never owned a Dumble I really cannot confirm that. Listen, I could go on and on about the Bogner 20th Anniversary Shiva and in the end it’s all just someone’s personal opinion right? All I can tell you for certain is if you are looking for an amp that has fantastic versatility this is it. This is a KEEPER for life. Oh and that reminds me….this has a Lifetime Warranty. That should give you an idea of how confident Bogner is about their product.
Music background: Serious Hobbiest
See also: Amp Heads, Bogner, Bogner Guitar Amp Heads