Mesa/Boogie JP-2C Owner'S Manual Download Page 27

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HEADPHONE

The JP-2C features a HEADPHONE Output for personal enjoyment of the amplifier when it is not possible—or

you don’t want to—play through a speaker. This stereo ¼” jack derives its “speaker simulated” signal from the on-board CABCLONE™
D.I. feature circuitry and delivers a surprisingly good rendering of the JP-2C’s sound and feel to your headphone set of choice.

The CABCLONE circuitry is able to produce this great representation of the amplifier’s sound because it starts with a signal
taken right off the SPEAKER OUTPUT. This means you have the entire amp—including the output transformer and tubes—
imparting all the Tone, nuance, natural tube compression and bouncy feel you are used to hearing through your cabinet.

Granted, the speaker cabinet shapes a lot of what you hear when playing your amp live, but the CABCLONE circuitry

does an impressive job of retaining much of the experience of playing live through a cabinet and in trade, allows you to skip the hours
and sometimes frustrating chore of mic-ing up your rig. One cable and you’re up and running. And the fact that you get this good
sounding HEADPHONE Output for personal practicing anytime is a real bonus.

The volume of the HEADPHONE Output is determined by the Channel MASTER controls and you will need to adjust the HEAD-
PHONES volume there as this circuit is passive and therefor has no op-amp driven volume control.

NOTE: Headphones can vary greatly in both sound and efficiency (volume) and therefore the performance of the HEADPHONE
jack can be optimized or compromised by the headphones connected to it. We recommend trying a few sets of different types and
manufacturers with the JP-2C before choosing headphones for this application

NOTE: Headphones and their proximity to your ears are vastly different from that of your favorite speaker cabinet, therefore, it is
important to note that the settings of your amplifier will more than likely require adjustment to get the best results to match the inher-
ent qualities of your headphones.

NOTE: Introducing a bit of internal REVERB into the mix or even an outboard processor into the FX Loop set to a Delay Preset can
help the HEADPHONE Output sound more alive and natural, as it helps compensate for the air and “expansion” present when using
a speaker cabinet in a live room.

The JP-2C is the third, and probably not the last, MESA amplifier to include the CabClone D.I. circuitry and associated HEADPHONE
Output. This comprehensive direct recording and private monitoring feature greatly enhances the value, versatility and convenience
of the amplifier and will provide you with new options for quick, hassle-free, direct recording options as well as late night (or any time)
personal enjoyment of the JP-2C’s inspiring sound and feel.

NOTE: Plugging into the HEADPHONES jack defeats the CABCLONE D.I. XLR BALANCED Output. It is not possible to use the
HEADPHONE and D.I. OUT simultaneously as the headphones would load down the circuitry further and compromise the sound.

NOTE: As there is no HEADPHONE Volume Control in the CABCLONE™ passive circuit, you will need to use the Channel MASTER
Controls to determine the volume of the HEADPHONE output.

NOTE: When using the SPKR ON position in the CABCLONE section, make SURE you have a working speaker connected to one
of the SPEAKER OUTPUTS. Failure to do so may result in damage to your amplifier that is not covered under Warranty. Using the
amplifier in the SPKR ON position without a speaker or external load (resistor, soak, etc.) will likely cause damage to your output
transformer and render your amplifier inoperative.

SLAVE

This SLAVE signal is best applied when connecting additional “guitar amp voiced” power amplifiers for additional cover-

age in large venues. It may also be used to capture the “dry” sound of the main JP-2C head and send a signal first to an Effects
Rack for processing, and then on to a pair of amplifiers to reproduce a stereo (or one amp for mono) “wet” setup. This setup is often

referred to as a “Dry/Wet/Wet Rig” or a “3 Amp Stereo Rig”. Either way, the sound of the main JP-2C amplifier you
are playing will be reproduced at the SLAVE with a fixed “performance oriented” level setting of the sounds you have
dialed up. Keep in mind that once a signal has been taken from the SLAVE, it CANNOT be fed back into the Effects
RETURN jack. Doing so will produce a feedback loop and a loud squeal will occur.

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120 V

60 Hz

4 A

SLO

BLO

AMPLIFIER

44YV

FUSE

CH 3

CH 2

CH 1