Quantum series, Superior bass amplification, Quantum combos – Hughes & Kettner Guitar & Bass Amplification User Manual

Page 38: Dynavalve, Power amp technology

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Amazingly light, every pound of a Quantum
amp packs a very big punch. And with
awesome tube tone to boot, they are
engineered for instant gratification today and
sustained satisfaction for many tomorrows
to come. From the 250-watt QC 310 combo
to the 600-watt flagship QT 600 head, these
amps put many a heavyweight to shame!
For the first time, our unique Dynavalve

®

power amp technology weds the warmth
and expansive sound of traditional all-tube
machines to the precision response of
leading-edge solid-state amps. This ingen-
iously engineered power amp circuit features
a phase splitter tube, lending every amp its
trademark tone and bright blue glow.
For a more profound musical experience,
take the Quantum leap!

QUANTUM SERIES

Superior Bass Amplification

Gravity-defying groove monsters:

Light weight, sound great!

Quantum combos

TubeTouch™ Circuit

4-Band Parallel EQ, Tube Growl Compressor

Power amp: 250 W / all others 400 W Dynavalve

Effects loop, DI-Out, Phones

Speaker:
QC 310: 1 x 10" Dual Cone
QC 412: 1 x 12" DuraDome™
OC 415: 1 x 15" DuraDome™
QC 421: 2 x 10" Dual Cone Neodymium

Dimensions:
QC 310: 500 x 505 x 350 mm; 17 kg / 38 lbs
QC 412: 550 x 550 x 350 mm; 19 kg / 42 lbs
QC 415: 600 x 620 x 400 mm; 24 kg / 53 lbs
QC 421: 600 x 620 x 400 mm; 29 kg / 64 lbs

QC 310

QC 412

QC 415

QC 421

QUANTUM COMBOS

The four Quantum combo models’ identical
preamp sections sport an array of impressive
features. Fine-tuned for active and passive
basses, the audiophile input stage with its
vast gain range provides the underpinning for
the amps’ tremendous performance power.
Instant and musical tone-shaping control
comes courtesy of the parallel four-band EQ
section. With these no-nonsense tools, dialing
in the sound you want is dead easy. Punch
and HF Character switches are on board to
enhance your sound-sculpting pleasure. And
perhaps best of all, the nifty Tube Growl knob
controls tube saturation level, compressing
the signal and endowing it tube-driven punch
and assertiveness. Quantum Combos are
truly in a class of their own!

Dynavalve

®

Power Amp Technology

A genuine marvel of audio engineering,
our patented Dynavalve technology
delivers the highly desirable
transient response of all-
tube power amps. This
unique technology serves up
enormous pressure and punch
and makes Quantum amps
way superior to conventional
solid-state designs. How can
an amp conjure such heavy-
duty tube tone yet weigh
even less than comparable
solid-state designs? The secret
to this sonic sorcery is a single
tube in the phase splitter stage.

38

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