- Popular Brands
Bugera G5 5W Tube Guitar Amp Head


Description
For guitarists seeking those coveted vintage tube tones in a supremely portable package, the Bugera G5 Infinium 5W tube head delivers. With its classic push-pull Class A design, the G5 Infinium serves up rich, balanced harmonics and natural tube compression reminiscent of old-school amps. Yet modern appointments like the Morph EQ provide contemporary versatility for sculpting your ideal sound. Whether you prefer American or British EQ flavors—or something in between—the G5 Infinium has you covered.
Dial In Your Signature Sound With Morph EQ
Bugera's ingenious Morph EQ gives you the best of both worlds for tone shaping, letting you sweep between classic U.S. and British EQ styles with a turn of the knob. Get American-style brilliance and treble bite or switch over to British-style warmth and boosted mids—the options abound. The Morph EQ makes it easy to jump the pond and customize your ideal EQ voicing on the fly.
Achieve Vintage Tube Tone at Any Volume
Thanks to its built-in power attenuator, you can get cranked tube tone at any volume level with the G5 Infinium. Crank it up to 5W for full-bodied tube saturation in the rehearsal room or studio. Turn it down to 1W to get the same rich harmonics at lower volumes for home practice. And for late night recording sessions, go as low as 0.1W to get glowing tube tone without waking the neighbors.
Shape Your Sound With Integrated Reverb
The G5 Infinium's high-definition reverb provides the perfect finishing touch for your signature sound. Easily adjustable via the dedicated knob on the front panel, you can add just a subtle ambience or soak your tone in cavernous, arena-sized reverberation. Dial in anything from a faint touch to washy splendor.
Reliable Tube Performance With Infinium Technology
Infinium technology gives you consistent operation and optimal tube life from the G5 Infinium. Intelligent circuitry monitors and auto-regulates tube performance for unfailing tone night after night. You get reliable vintage character show after show. The G5 Infinium looks as good as it sounds too, with its sleek black finish and vintage-inspired design. Experience rich Class A tone in a supremely portable form with the Bugera G5 Infinium.



Features
- Power: 5W (tube)
- 2-way attenuator
- Tubes: 12AX7 (preamp); 12BH7 (power amp)
- Controls: 3-band EQ, Morph (for U.K.- and U.S.-style tone adjustments) gain, reverb, tone, volume
- Built-in reverb
- Speaker-emulated output, with 1x12" or 4x12" voicing option
- FX loop with level switch
Reviews
4.62
21 Reviews
92%
of respondents would recommend this to a friend
Most Liked Positive Review
Get Ready To Rock!
I purchased the Bugera G-5 Head back in April not expecting it to come close to some 'lunchbox' heads in the $500.00 and up price range, but boy was I wrong! I had to roll the dice and order it as nobody had one in stock. Owning a original 1983 Marshall 2204 50 watt half stack with vertical inputs, I did not think I would find any reason to expect the Bugera G-5 to come close. It's close enough for the dollars I spent, and delivers more gain at a more respectable home volume. Folks, the key to this head is as follows. (1). decent guitar with good pick-ups. This is the nucleus of tone, the amplifier just 'delivers it' (2). Keep the pedals down to a minimum as they muddy the tone period. Try the effects loop before in-line. (3). A quality speaker, and cabinet are as crucial as the front side (p'ups/& guitar), so don't hook this up to a junk speaker, or cab. Also, don't try to drive 4 x 12" speakers on 1/10th watt setting, you should consider a 8"-10" closed back cab for that low of power. It struggles to drive my Eminence Patriot Texas Heat in a Marshall JTMC12 Cab with closed back at anything less than 1 watt. It screams Marshall at the 5 watt setting even at lower volume. You can run a 4 x 12" cab easily at the 5 watt setting, but my own preference is the 1-5 watt setting with the JTMC12 cab. I've read reviews regarding the clean channel tone control not having enough distinction with higher frequencies, I do not suffer this problem as my guitars have the best pick-ups and my speakers are some of the best guitar speakers available. I've even tested the Bugera G-5 head with the 10" Gold Celestion in my Marshall MG-15 CDR, and think that is an excellent alternative to a 12" speaker, just don't run below 8 Ohm's on your speaker load so you don't damage the output circuit on the Bugera G-5. Bottom line is I would buy this head again, and recommend it to any guitar player that wants good clean/crunch and sizzling gain in a very portable, very affordable package. BUY IT!
Most Liked Negative Review
Hybrid Amp - Not "All Tube"
I lot of people gush about this amplifier, so I'm going to focus on some things I learned. For starters, the amplifier is not "all tube." The amplifier uses transistors for the rectifier. That doesn't bother me, but it bothers some. Neither is the audio signal-chain all tube. Per Bugera, the signal from the guitar first hits a transistor op-amp, and then another transistor op-amp, and THEN hits the pre-amp tube. So the pre-amp section is transistor-transistor-tube. Now while most think of a "hybrid" amp as a tube pre-amp & a solid state amplifier, in actuality a hybrid amp mixes tubes with solid state for key functions in the audio signal chain. In the case of this amp, those transistors are in front of the signal instead of behind. I'd argue that makes it worse if you're looking for an actual all-tube amp, because you've got that coloration of the solid-state before you've even hit the tubes. If you put an overdrive in front of this, you'll overdrive those transistors and get the ugly clipping solid-state components are known for. If you don't use an overdrive, those transistors are effectively doing that for you. All tube amps don't do such a thing because it no only alters the tone, but also changes the way the amplifier behaves fundamentally. For some it's a philosophical or religious issue, but not for me. I just like honesty in advertising. Also, the amp isn't "hand-built." It's hand assembled. The components are on a printed circuit board that is machine wave-soldered, & then that board is connected to wires and put in the case by hand. Still, for the money it's pretty good. Just know that you're "all tube amp" isn't, and the tubes you do have add up to 1 12AX7 pre-amp tube and 1 amplifier tube for a total of two tubes. The tone modulation, US to UK is accomplished via utilization of different capacitors. There are two digital processing engines, one for the reverb, one for the speaker cabinet emulation.
- Home Studio11
- Amateur Recording8
- Performances6
- Outdoor Events / Games2
- Professional Recording2
- Limited Functions2
- Weak1
- Absolutely None1
- Clean Channel1
- Experienced10
- Novice3
- Easy To Use11
- Excellent Sound8
- Portable7
- Warm / Comfy7
- Good Power Output3
Reviewed by 21 customers
Hybrid Amp - Not "All Tube"
submitted6 years ago
bySalvador
fromFullerton, CA
I lot of people gush about this amplifier, so I'm going to focus on some things I learned. For starters, the amplifier is not "all tube." The amplifier uses transistors for the rectifier. That doesn't bother me, but it bothers some. Neither is the audio signal-chain all tube. Per Bugera, the signal from the guitar first hits a transistor op-amp, and then another transistor op-amp, and THEN hits the pre-amp tube. So the pre-amp section is transistor-transistor-tube. Now while most think of a "hybrid" amp as a tube pre-amp & a solid state amplifier, in actuality a hybrid amp mixes tubes with solid state for key functions in the audio signal chain. In the case of this amp, those transistors are in front of the signal instead of behind. I'd argue that makes it worse if you're looking for an actual all-tube amp, because you've got that coloration of the solid-state before you've even hit the tubes. If you put an overdrive in front of this, you'll overdrive those transistors and get the ugly clipping solid-state components are known for. If you don't use an overdrive, those transistors are effectively doing that for you. All tube amps don't do such a thing because it no only alters the tone, but also changes the way the amplifier behaves fundamentally. For some it's a philosophical or religious issue, but not for me. I just like honesty in advertising. Also, the amp isn't "hand-built." It's hand assembled. The components are on a printed circuit board that is machine wave-soldered, & then that board is connected to wires and put in the case by hand. Still, for the money it's pretty good. Just know that you're "all tube amp" isn't, and the tubes you do have add up to 1 12AX7 pre-amp tube and 1 amplifier tube for a total of two tubes. The tone modulation, US to UK is accomplished via utilization of different capacitors. There are two digital processing engines, one for the reverb, one for the speaker cabinet emulation.
Best home amp I have ever used
submitted6 years ago
byAndy
fromSalt Lake City
The is by far the best sounding "home" amp I have ever used. I run this at the 1 watt setting. Swapped the preamp tube with a Mesa Boogie MB12AX7 and swapped the output tube with a gold plated Electro-Harmonix equivalent. This improved the articulation of all notes in all ranges. It was just fine before the tube swap but this just pushes it over the top a little bit more.
Wow, how far they have come
submitted6 years ago
byRobbinshood
fromCalifornia
I may Have to retire my Fender super 60,this head through one 12 or 2-12 it really screams and it has a clean side that has just enough distortion to make it really fit my style. It comes with pretty nice pedal for the reverb and the heavy gain side for a nice touch. But it's really 3 amps in one with the switch where you can .1-1-5 watts take your pick. and the headphone jack,it really has a lot of features for and amp at this price point,the only thing is I don't know how it will hold up time will tell?
Best Value Amp Head
submitted6 years ago
bySeth
fromDetroit MI
This is the best value amp head I have every played. I have a few lunchbox style hybrid heads around the same price range and this one stacks up favorably. It is very flexible in terms of possible tones and has a lot of built in features that other budget amps do not. - two foot switchable channels with independent controls is great - built in reverb; the effect can get pretty loud so you'll probably keep the effect volume below 5 most of the time - Infinium tube life and auto biasing technology help to demystify tube amp maintenance - The power attenuation is a nice feature, although it seems that you get a little less distortion on the lower power settings. I keep mine set at 5 W as I play mostly metal. At 5 W it is plenty loud, my distortion master volume is usually around 3 when practicing and recording. - While it is not a monster of high gain like some more famous amp heads it has enough to get the job done, even for really high gain metal stuff. You might have to crank the gain to 10, but you'll get there. - The Morph EQ is brilliant. The USA sound has the punchy midrange, while sweeping to the UK side provides a more scooped sound with more low end growl. This is the knob I end up sweeping the most while trying to dial in different sounds, and the range is impressive. There are only a couple of downsides to report. At a maximum power of 5 W it is plenty loud enough for bedroom and home studio recording. I don't think it is a great choice for a rehearsal space or small gig with no PA system. This isn't a common use case for a lot of today's guitarists, so no big deal. - The modeled speaker output sounds much worse than playing through an actual speaker, but that holds true for almost every simulated speaker output on an amp head I've heard. You're better off using the FX send into your audio interface and using an IR loader anyways.
Looks great
submitted6 years ago
byDavid
fromSC
Great look and good sound. The only thing is guitar center does not have the 12bh7 power tube. The look is outstanding.
Nice little amp at a great price
Verified Buyer
submitted7 years ago
byKevin
fromundisclosed
Versatile low wattage amp with attenuator, effects loop. Gets kind of fizzy when dimed with full treble, gets better with the treble set around 12:00. 5 watts is plenty loud for home practice. 1 watt setting is nice. 0.1 watt setting loses some tone, but is good enough for learning/writing songs. Loads of overdrive.
Q&A
Have a question about this product? Our expert Gear Advisers have the answers.
submitted4 months ago
asked byJack
fromNew Haven, ct
To use headphones with this amp, do you need a speaker cabinet hooked up? Can the headphones be the only thing plugged in besides guitar?
1) Yes, you do. 2) No, they can't.submitted7 months ago
asked byJohnny V
fromOregon
Does it come with a footswitch?
Yes, it does.submitted5 years ago
asked byDave
fromLacey wa
What is your definition of blemished? Everything is there, full warranty, and not a returned open box item?
Blemished: This product was returned in great condition, with only minor signs of use, such as slight scuffs or small scratches. It looks and plays like new and may be considered an equivalent to a display model found in a retail store. Includes full manufacturer's warranty Includes Free 2-Year Warranty on guitars and basses Includes 45-Day No Hassle Returnssubmitted6 years ago
asked byIsma135
fromIndio, California
Hi, just purchased this and connected my acoustic - electric guitar to the front guitar input but no sound comes on. The stand by switch is not turned on, and there's power- all the tubes light up. Is there something I am missing? Thank you
Please contact a Customer Service Agent for trouble shooting inquiriessubmitted6 years ago
asked byJoe
fromLa Grange IL
Is the headphone output the same as the sound through the speakers, e.g. the same settings and effects?
Yes it is.submitted6 years ago
asked byDavid
fromSC
I was thinking of changing the stock ECC83 tube in my Bugera g5 to make the distortion sound more defined and less muddy. Do you have one that could help me with that? Thanks
We do not recommend modifying this ampsubmitted6 years ago
asked byDavid
fromSC
There is a ec883 tube in the preamp. It says in the feature section there is a 12ax7 tube in the preamp. Which is it?
There is a 12ax7 tube in the preamp.submitted6 years ago
asked byDavid
fromSC
What year is this model
This is a new model. Bugera is not stating the date of manufacture