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Magnum Opus head ** Available soon**
The Magnum Opus is a Class A single ended cathode biased KT88 amplifier which produces
38 watts of warm, sparkling tone. The Magnum Opus is well suited for gigs, rehearsals, recording.
The Magnum
Opus comes with Reverb, Parallel buffered tube effects loop, which lets you adjust the amount of wet/dry signal. Power Level
that allows you to adjust the internal voltage of the amp for cranked tone at lower volumes. The power control was chosen
over the master volume approach to retain the tone of the amp at lower volumes. Also there is a bypass switch for the Power
Control which gives the amp full headroom.
A Cathode Follower (1+1 cascade stage) circuit
was chosen for the EQ, the Cathode follower doesn't allow high frequency roll-off within the guitar's frequency range. What
this equates to is less insertion losses in the EQ stage.
Also unique to the Magnum opus is the front
panel control of interstage attenuation, which usually is adjusted from inside amplifiers with trim pots. Each stage can be
dialed in to your specific taste. Another feature that was added to the front panel is a SUSTAIN control which allows
you to control the attack and release of the amplifiers sustain and compression.
The HI/Classic switch
allows for full headroom on HI power and a more browner sound on the CLASSIC setting. Other key features to this
amplifier are in the power supply design.
Solen (aluminum metalized polypropylene) Fast Caps were used in
conjunction with Stealth diodes to give the amp a tight focused sound with the characteristics of a tube rectifier.
The Stealth diodes allow for even more headroom than a tube rectifier, with a faster and softer recovery
time than standard diodes.
Another key element in the sound of the Magnum Opus is the Output transformer.
A Mercury Magnetics Single ended Output transformer was chosen for it's rock solid reliability and extended
bandwidth.
All components are handwired on terminal strips using a point to point wire wrapping technique at Whole
Tone Music.
The Magnum Opus comes with JJ KT88 power tube, JJ ECC83 Gold Pins in V1 & V2, JJ 12AT7,
JJ ECC83 tubes for all other stages.
The grill cloth is blues breaker style, the picture shows a swirl effect which
is not present.
Item #MOH
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