Koch Twintone II
Koch Twintone II

Twintone II, Tube Combo Guitar Amp from Koch in the Twintone series.

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guiomarno 03/11/2013

Koch Twintone II : guiomarno's user review

«  small but tough »

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All Tube Amp-(cf. constructor)
-Two instrument inputs: a normal (single coil) and the other suitable for humbuckers
Three-channels: a clean EQ with two channels and OD OD + with EQ, gain and volume common presence.
Spring-reverb (adjustable rear)
-Power Soak, protects the amp when hp is disconnected.
-Setting the master by the solo button, which allows two volumes
Taking direct out-
Emulation-output speaker
Effects loop-parallel and serial
-Two speaker outputs, main 8ohms (50w), secondary to switch to 4ohms 25w with the same hp, and the ability to connect two HP 4ohms (50w)


-The amp is simple to adjust the equalization is accurate, although its action means the sound by turning the knobs.
-We put some time before finding her, and what a sound!
-The manual is in English. I put 9 because of it.


I used the recovery Twintone in Pop / Rock, piano bar, restaurant and outdoor.
It is very versatile, and I agree with a lot of styles. It is just limited in metal, but I will say that the head and cabinet in 212 or 412 would be better suited to this style. But should be for everything else.
I play Jazz and Rock Prog. It is perfect for my style.

Crystal-clear channel
Od-Channel hot and runny
Canal + Od-straight and precise, powerful and modern. (But limited gain: this is not a high gain amp, cranked the grain become more rough, especially at high volume overdrive and a clean boost in may solve the problem)
He lacks headroom slightly, but it is very small (one hp, normal)
-The reverb is nice and not too intrusive as the little brother Studiotone
He accepts pedals well, both in front and in the effects loop, which is parallel or in series, and has a knob together with the reverb


I use since September 2011.
I tried Studiotone, I have since 2010. (The clean sound is excellent)

I like
Constant-quality sound overall, equal at different volume levels
-Each channel has its own personality
-The ability to play at very low volume

I do not like
Its relatively high-weight (26 pounds: small but tough)
Its-button reverb to the rear, not very practical, too protruding, which also serves as a loop volume effect. It complicates things, but it's not embarrassing in the long term.

Great value for money, professional equipment is easily affordable, durable, and hand assembled in the netherlands.
With experience, for small scenes and piano bar, I would do this choice with your eyes closed.
Composed for my projects, I orienterai closer to the head version + baffle212