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Bogner Alchemist Series Tube Guitar Amp Head  

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Bogner

Alchemist spins the visions of discerning guitarists into gold.

The Bogner Alchemist 40W/20W Tube Guitar Amp Head boasts sparkling, articulate cleans, touch-sensitive leads and a bright and colorful crunch. Bogner Alchemist amplifiers offer you a modern take on vintage tube amp design. The Bogner Alchemist amp head owes its remarkable tonality to a 6L6 class-AB power section, and 5 - 12AX7 preamp tubes. Its timeless appeal, though, comes from modern sonic ingenuity.

Bogner Alchemist amps have a 2-channel design. Each channel has its own voice and identity. Beginning clean and fast, featuring an open top-end and tight bottom-end, Channel 1 opens gradually to present simmering blues tones that churn like spirits in a cauldron. Advancing toward saturation, Crunch mode turns up the heat adding the perfect touch of nastiness with added pick response and increased tonal complexity. Channel 2, achieving critical mass, invokes the famous white-hot Bogner gain—creamy, modern and screaming with sustain—offering everything from Brit rock right through to modern metal. Plus, with variable Bright settings, each channel can be customized to match the tone of your guitar and rig.

The Alchemist tube amp head's power section is selectable from 40 to 20 watts. When switched to 20W, Alchemist undergoes a complete sonic metamorphosis, changing its harmonic complexity and feel to conjure the essence of the legendary Brown sound.

Reverb and Delay, in variable styles and levels, run in parallel separate from the original signal. The result is a rich, living and breathing, fully realized resonance capable of producing a complete tonal landscape.

Bogner includes a 4-button footswitch with the Alchemist 40w tube amp head.

Features

  • 6L6 class-AB power section and five-12AX7 preamp; selectable power section (40 or 20 watts)
  • Channel 1 (gold): Gain, Treble, Mid, Bass, Volume, Crunch mode, variable Bright, Deep switch; Channel 2 (mercury): Gain, Treble, Mid, Bass, Volume, variable Bright, Mid Shift; Shared: in parallel, Reverb Type, Reverb Level, Delay Type, Delay Level, Delay Repeats (Feedback), Tap Tempo
  • Included 4-button footswitch controls Channel Select, Boost, Delay and Reverb

Get the right chemistry on stage. Call or click now to order.

 
Customer Reviews
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Review Snapshot®

by PowerReviews
BognerAlchemist Series Tube Guitar Amp Head
 
4.5

(based on 20 reviews)

Ratings Distribution

  • 5 Stars

     

    (15)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (2)

Most Liked Positive Review

 

A modern fix for vintage tone junkies

Based upon tone, construction, and value, I give this one ten out of ten. My complaints are so minor that they should be excluded from the overall rating.
It has the...Read complete review

Based upon tone, construction, and value, I give this one ten out of ten. My complaints are so minor that they should be excluded from the overall rating.
It has the ability to cut from 40 watts to 20 watts. It has two truly separate channels, each with its own EQ, though they share the delay and reverb effects. The Delay has a tap speed button and offers three types of repeat: ducking, tape, and analog. The Reverb offers plate, hall, and spring options. The controls are easy to use, but I am not a big fan of those tiny "clean/crunch", "bright", "punch", "mid shift", and "deep" switches. They are reeeeeally small, hard to see in dim light, and despite their diminutive stature they are very powerful controls, so you want to set them right. They aren't represented on the footswitch, either. Otherwise, the chicken head knobs are cool and heavy-duty and the LED's are actually rather attractive looking.
This is a tube tone machine, pure and simple. The sounds that this head can give you are top notch, I can find no compromise. I have dialed in all levels of clean, crunch, bark, and scream with no harshness or "holes" in tone. It's warm and big sounding. The switchable 40-watt/20-watt option is very useful for changing the tube drive pressure, greatly modifying the breakup you send to your speakers. If the user takes the time to fully understand the controls and what they can do, the variety of sounds that can be achieved is absolutely impressive. (Don't let anyone tell you that this is not a good head for metal, either, because if set right, with mids scooped, it can get that huge, chunky "dub-dub-dub" thunder.)

The ease of use and effectiveness of the delay and reverb effects cannot be overstated. I particularly like the way the presence of the effects remains steady when you switch between channels, i.e., the reverb does not over-soak or rob bite with the introduction of distortion and the delay doesn't increase or decrease the "edge" of the tone you switch to or from.

So far I have not been able to "shoot holes" in the construction or materials. It's very substantial. The knobs feel good and the fluidity of the pots is noticeable right away. Even the rubber feet are heavy duty.
To say that this is a good amp "for the money" would rob it of merit. This is a sweet amp period, and it just happens to be reasonably priced. With music store returns policies being pretty relaxed these days, I suggest that anyone interested in trying it does so in their own private environment. Don't test drive it in a store while ten young Deathclockers wail on Marshall half-stacks and expect to hear all the Alchemist has to offer. It takes hours to get all the subtle nuances. If you take one home, I am confident you will not return it.

VS

Most Liked Negative Review

 

Dissapointed

Check this out...I am a pro musician currently performing 4-5 night weekly using a Bogner XTC head and matching 4x12 cab which I love. However, it's a bit much for smaller...Read complete review

Check this out...I am a pro musician currently performing 4-5 night weekly using a Bogner XTC head and matching 4x12 cab which I love. However, it's a bit much for smaller venues so I reached out for the Alchemist. I loved the tone right away but after playing on one at the shop for about 15 minutes or so, the channels started switching intermittently by themselves. Of course the salesman and I did all the usual troubleshooting, replacing and wiggling cables, checking jacks and so on. I thought maybe the unit got messed with on the floor at the shop or damaged in shipping and I decided to order one anyway. Well you can probably guess where this is going. Yes, the new unit presented the exact same problem right out of the box. I returned it and walked away from my personal experience with the Bogner Alchemist with a very dissapointing result and still scratching my head. I'm sure I'm not the only one that has had this result. So I will speak for the other players out there. Cmon, Bogner, you're better than that, right?

Reviewed by 20 customers

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(3 of 4 customers found this review helpful)

 
5.0

A modern fix for vintage tone junkies

By LaroldC

from New England, USA

Comments about Bogner Alchemist Series Tube Guitar Amp Head:

Based upon tone, construction, and value, I give this one ten out of ten. My complaints are so minor that they should be excluded from the overall rating.
It has the ability to cut from 40 watts to 20 watts. It has two truly separate channels, each with its own EQ, though they share the delay and reverb effects. The Delay has a tap speed button and offers three types of repeat: ducking, tape, and analog. The Reverb offers plate, hall, and spring options. The controls are easy to use, but I am not a big fan of those tiny "clean/crunch", "bright", "punch", "mid shift", and "deep" switches. They are reeeeeally small, hard to see in dim light, and despite their diminutive stature they are very powerful controls, so you want to set them right. They aren't represented on the footswitch, either. Otherwise, the chicken head knobs are cool and heavy-duty and the LED's are actually rather attractive looking.
This is a tube tone machine, pure and simple. The sounds that this head can give you are top notch, I can find no compromise. I have dialed in all levels of clean, crunch, bark, and scream with no harshness or "holes" in tone. It's warm and big sounding. The switchable 40-watt/20-watt option is very useful for changing the tube drive pressure, greatly modifying the breakup you send to your speakers. If the user takes the time to fully understand the controls and what they can do, the variety of sounds that can be achieved is absolutely impressive. (Don't let anyone tell you that this is not a good head for metal, either, because if set right, with mids scooped, it can get that huge, chunky "dub-dub-dub" thunder.)

The ease of use and effectiveness of the delay and reverb effects cannot be overstated. I particularly like the way the presence of the effects remains steady when you switch between channels, i.e., the reverb does not over-soak or rob bite with the introduction of distortion and the delay doesn't increase or decrease the "edge" of the tone you switch to or from.

So far I have not been able to "shoot holes" in the construction or materials. It's very substantial. The knobs feel good and the fluidity of the pots is noticeable right away. Even the rubber feet are heavy duty.
To say that this is a good amp "for the money" would rob it of merit. This is a sweet amp period, and it just happens to be reasonably priced. With music store returns policies being pretty relaxed these days, I suggest that anyone interested in trying it does so in their own private environment. Don't test drive it in a store while ten young Deathclockers wail on Marshall half-stacks and expect to hear all the Alchemist has to offer. It takes hours to get all the subtle nuances. If you take one home, I am confident you will not return it.

Comment on this review

(2 of 3 customers found this review helpful)

 
1.0

issues

By Chuck Benedon

from Wisconsin

Comments about Bogner Alchemist Series Tube Guitar Amp Head:

I read a review that this amp only has some electrical issues with the combos. I just bought a brand new head only:

The pedal has one non-functioning DPDT switch and the amp started cutting out the first time I played it. I do love the tone, and functions, allowing me to leave some pedals behind. I particularly like the delay tone controls. Like anyone, I am disappointed not to be able to play the thing right away. Customer service here told me to either ship it back (they take care of that) or get it fixed by a Bogner authorized station. Well... Only one in town is somewhere I don't want to go. So, I fix it and pay for it, or screw around with sending it back, waiting on another that might have similar issues.

So: Tone, etc A+
Reliability: F (so far)
Love the tone and effects
Having some issues with the electronics, read below.
awesome amp. I have a '65 Re-issue, Peavy 30 Classic, Vox AC15, Fender Blues Deluxe 4x10, '74 Twin Reverb, and some more. This one is all of those combined and then some.

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(0 of 1 customers found this review helpful)

 
5.0

Fantastic Amp

By Douglas Burandt

from San Antoniio, TX

Comments about Bogner Alchemist Series Tube Guitar Amp Head:

At any volume it produces the same quality. I couldn't beleive I could set my guitars on level one and get the same quality as when on other amps I needed to crank it all the way up. If you don't love this amp there's something wrong with you!
I've played on about every guitar amp made, but this is the best I've ever seen. If you are a professional guitar player or a casual player you can't match this amp. It has perfect response at all volume levels. I quit using my effects pedal. I don't need it any more.

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(1 of 1 customers found this review helpful)

 
4.0

GREAT tone and quality for a boutique tube amp

By The JP

from Milwaukee Wisconsin

Comments about Bogner Alchemist Series Tube Guitar Amp Head:

Amazing boutique style tube tone at an affordable price. Construction is solid. Watch out for the electrical issues if considering buying one. A broad spectrum of tones can be achieved with this amp from full and sparkly cleans to screaming high gains.
This amp has gotten a bad rep because of some electrical problems found only in SOME combo versions of this amp. No reported issues with the head version according to store manager of guitar center who was in contact with bogner regarding the issue.

The clean channel: Fender sparkly clean tones with a more full sounding low end which Fenders seem to lack in a little in my opinion. This channel can be switched to a crunch setting with a flip of a switch. Includes Clean/crunch, bright and deep switches for versatility.

The drive channel: Has the capabilities from blues, country, jazz, rock to screaming high gain metal(of course with the right pickup combination). I play a gibson les paul classic with the 496r and 500t pickups so my amp sounds really fat and screams. The gain is warm and smooth sounding. Includes punch, bright and mid shift switches for versatility

Boost: The boost acts as a gain and volume boost on the clean channel where as on the drive channel it increases the gain and not the volume but acts more like a compressor. For shows I stay on the clean channel and use the Hughes and kettner tubeman for my drives and then I can use the boost feature for soloing.

Reverb-delay: I personally am not one for built in digital effects but they still sound great. Buy a holy grail and a carbon copy if you dont want to use the onboard effects.

Footswitch: channel selector, Boost, Delay, Reverb. Uses a universal XLR cable.

Speakers/cabinet design: Open back with one 16 ohm Celestion G12H 70th anniversary and one 16 ohm Celestion G12M Greenback wired together for 8ohm operation.

Power switches: 40watts or 20 watts with standby in between with seperate on off switch.

Parallel FX loop with level control which is non bypass-able and buffered parallel to internal effects

Tubes: 2 6L6 power amp tubes and 5 12AX7/ECC83 Pre amp tubes.
Although assembled in China I have found no issues with the quality of this amp other than the electrical problems experienced in the combo versions. If considering buying the combo version the problems, which include a buzzing and hissing noise and the channels switching on their own, are noticeable within the first 15 minutes or so of turning the amp on. As far as I know the issue was there to begin with and not somthing that could develop over a period of time. Built very rugged and solid. Metal footswitch is very sturdy.

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(1 of 2 customers found this review helpful)

 
5.0

Bogner Alchemist Head

By Gene McFalls

from America

Comments about Bogner Alchemist Series Tube Guitar Amp Head:

Owned it for about a month and play it everyday. Gigged with it twice already and it sounds killer. Price can't be beat.
Very versatile amp. Killer clean tone, uber adjustable on both channels. Love the 1/2 power mode. Great tone at usable levels for rehearsal and gigs.
I'm not seeing the concern about made in China. Built like a tank. Internal components, switches, build quality are all top notch. Tolex is absolutely top notch. No concerns at all.
Got this when MF had it on sale. Good luck finding an all tube head with this many features and killer tone for this price. Can't be beat.

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(0 of 1 customers found this review helpful)

 
5.0

Best Deal under $1000

By gambicc

from Wellington, FL

Comments about Bogner Alchemist Series Tube Guitar Amp Head:

Overall great head. Would buy another if stolen, without a doubt.
Hands down you can't tones this good for below a thousand bucks. 2 channels and a boost, 3 kinds of reverb and 3 kinds of delay. Really loud for 40w. Have it hooked up to an Avatar 2x12 cab with Vintage 30's and bought it as back up but it is my main amp now. I use a GT100 with 4 cm and sounds good. Ran the effects directly into guitar input and it sounded good. Very impressed. If my wife wouldn't kill me I would get one of his higher end amps but for blues and rock this suits me perfect.
No issues yet.

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(2 of 6 customers found this review helpful)

 
5.0

extremely good

By Kent Young

from Lock Haven, PA

Comments about Bogner Alchemist Series Tube Guitar Amp Head:

I do not own this amp, sadly... but i have played it multiple times at a local music store. I was simply blown away. I can honestly say i couldn't make this amp sound bad. And it can get pretty heavy. The cleans were just as great as the distortion. It has so many features to it too. The only downfall is that it is only 40, or 20 watts. Which can still get pretty loud, but not loud enough for me. great amp, if i would have found this before what i just bought, i would have probably gotten this. very very, very nice.
Has so many features. From three different types of deley, to three different types of reverb. A switch to at " punch" to your gain channel. A bright switch. A gain boost. God this thing seems to have it all.

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(1 of 3 customers found this review helpful)

 
5.0

The sound i hear in my head

By Anonymous

from Undisclosed

Comments about Bogner Alchemist Series Tube Guitar Amp Head:

well i seen this amp a best buy and i plugged a guitar with emg into it and hit a e chord...WOW!!! it wasnt fizzy a all a very natural sound nice and chewy and thick so i looked at all the switches and played around with them and i noticed that the eq is vry responsive! alot of sounds in this amp! it the only amp ive never had to put a pedal in front of then i grabbed a telecaster and started a bluesy kind of thin with the gain boost off and set it for a nice brownish tone and it was awesome again very solid sound that lest your hands control the tone and the way you play and all that its nice really nice the cleans are full and round but can get bright and twangy too i am going to save and buy it again no pedals needed if u need more gain then practice and get better cause this amp sings

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(4 of 6 customers found this review helpful)

 
5.0

tone and more

By sold

from Texas

Comments about Bogner Alchemist Series Tube Guitar Amp Head:

I am totally a gear junkie, wich is how I came upon this rig. My wife allows my habits because I own a full service studio. With that being said, I am also a guitar player , and like most, am always searching for that perfect tone.I heard all these tone purist say "China made this" and "Line 6 that", and honestly never heard a bad word about tone! Well there is a reason behind that. Bogner does not put out crap.....nuff said. The best sounds Line 6 ever acheived was through Bogner. So I went in flying blind a purchased mine. An absolute solid buy! I am one of those tone purist, and cant find a REAL complaint. Several artist played thru this beast, and not one was not happy. Uberschall crunch, and fender clean. But can be dialed back to find Reinholds beloved "brown sound" and classy pushed Zepp/ZZ Top tone. The effects are where line 6 pitched in, and nothing over the top, just enough to fatten your sound. But dont listen to all the B.S. about where and what and who. Just plug and play, youll see what I mean!

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(1 of 1 customers found this review helpful)

 
5.0

The chinese Real Deal

By SilverTone 88

from Believeland, OH

Comments about Bogner Alchemist Series Tube Guitar Amp Head:

I've Owned this specimen for over a year. I've gigged with it. Ive recorded with it and all I've to say is the chinese know how to make a magnificant brand name american amplifier. This thing does it all. Just buy the thing already.

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