Celestion G12M-25 Greenback 16 Ohm

Speaker for Guitar Amps

The Celestion company has its speakers in so many amps and speaker systems that a long introduction is quite unnecessary.

And it is the same story for the G12 Greenback, a real classic among guitar speakers. Innumerable recordings have been made with these speakers (usually with one or several 4 x 12" speakers). Punchy, but warm highs and mid-range notes and with a rather reserved bass range, the latter of which can be advantageous in 4 x 12" speaker systems.

  • Size: 12"
  • Power: 25 W
  • Impedance 16 Ohm

Further Information

Impedance 16 Ohms
Size of the speaker 12"
Power 25 W

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Our most popular Loudspeakers for Guitar/Bass Use
78 Customer Ratings
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4.9 /5
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sound
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Amazing Speaker! This has made my 1x12 a favourite...
18.04.2015
I have a Blackstar HT5 I use for practice and rehearsals, I bought it with it's matching 1x12 cab, which uses a Blackstar branded speaker inside as standard. However I never really enjoyed the sound the amp gave me in this configuration and after playing through a Marshall Greenback cab I knew I needed some Greenback love in my life, so I chose to replace the crappy speaker in my Blackstar cab with this one. And since then I've never looked back.

This speaker has a lovely warm low end I enjoy, and even though I play metal, which you could say is very atypical of the typical user of this speaker, I actually have found it to be very capable of giving a nice tight metal tone, but still having that low end thump I love, which you get from Greenbacks. It's very hard to describe but after listening to many YouTube comparisons I felt this was the sound I wanted, I suggest you do the same as tone is very subjective after all.

Although I must stress that this is a very low wattage speaker, at 25w you will need to be careful what amp you hook up to it, also this means there's little clean headroom before you get speaker breakup, even my 5w Blackstar achieves this where it's original speaker was quite rigid in sound.

I have fallen in love with this speaker's sound and even though I play cranked a lot of the time I have had no issues with the speaker at all, and I've had it in that cab many months now. But then it is a Celestion and they are pure quality.

Great service from Thomann once again, and a great price too.
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Brilliant is the only description I can give to this speaker
RobW, 18.06.2015
Brilliant is the only description I can give to this speaker. I needed a suitable speaker for my JTM45, so this was the obvious choice although I had considered the G12H also as it had a little more power. I was never quite happy with the speakers I had, they didn?t pair up well with the JTM45, somehow, no sparkle a bit bland sounding too much volume and poor tone. Within minutes of installing the G12M in the cab I knew it was the right speaker for this amp. Hendrix in spades, sparkly cleans with a small amount of break up, in fact just the right sound for any late sixties early seventies music. You can spend a lot of time and money looking for the right speaker, I will never look back, I?m glad I bought this one but obviously will have to buy another three to compliment it.
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Sparkle your guitarsound!
Gegginator, 26.04.2020
This is one of the best amp speakers I have ever used. I have coupled this with a 16ohm V30 in a daisychained 8 OHM setup in a 4x12 cab. There are two more speakers in the cab but they are disconnected and on in use. BUT this setup has now become my go to cab to record both V30 and GBK speaker takes for layering a perfect Mid + Side setups.
The sound of the GBK makes my single recordings sound like a double tracked stereo guitar stem.
GBK my love, until death makes us apart <3
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Best speaker to go to for classic punk/rock
CreepBG, 22.06.2020
For me this is the best speaker for classic punk/rock. Only drawback is 25W of power, but get 4 of these for a total of 100W warm valve distortion.
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125 €
Including VAT; Excluding 20 € shipping
Available immediately
Available immediately

This item is in stock and can be dispatched immediately.

Standard Delivery Times

Dispatch expected by Saturday, 6.03.

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