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Peavey JSX Guitar Amplifier Head

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Product Description

The Peavey JSX head is a the 3-channel, EL34-powered head, which was designed with legendary virtuoso Joe Satriani to combine the tonal flexibility and responsive, versatile gain structures he's always sought into a single amp. The resulting JSX features a completely pure, articulate Clean channel; a punchy Crunch channel that's great for rhythm and leads; and an explosive Ultra channel with loads of gain, a vintage British flavor, and outstanding "chunk" on even the E, A and D strings. Other features include global Resonance and Presence controls; 3-band EQ per channel; a fantastic, fully adjustable Noise Gate; and separate Fat switches on the Crunch and Ultra channels.

Peavey Electronics and Joe Satriani set out to create an amplifier that would give the widest range of EQ options and gain structures possible. As a starting point in creating this ultimate tone amp, Peavey amplifier design engineers began with two amps Satriani has used extensively throughout his career: the Peavey Classic® 50 and, more recently, Peavey Triple XXX® Series amps. "I started to rely on those amps quite a bit, but I wound up in a situation where my live rig was completely different from what I used in the studio," he said. One of the main goals of the JSX amp project was to bring these different tones and EQ options together in one amp.

Peavey JSX Features

  • Designed to Joe Satriani's specifications
  • Global Resonance and Presence controls
  • Three-band EQ on each channel
  • Punchy high-gain structure on the Crunch and Ultra channels
  • Ships with EL34 tubes, and can be configured for 6L6 tubes
  • Fully adjustable noise gate for the Crunch and Ultra channels
  • Separate Fat switches on the Crunch and Ultra channels
  • All controls located on the front panel

Product Specifications

Peavey JSX Specifications

    POWER AMPLIFIER SECTION
  • Tubes: Four EL34 tubes with 12AX7 driver
  • Rated Power & Load: 120 Watts RMS into 16, 8 or 4 Ohms
  • Power @ Clipping (typically @ 5% THD, 1 kHz, 120 VAC line): 120 Watts RMS into 16, 8 or 4 Ohms
  • Frequency Response: +/-3 dB, 50 Hz to 20 kHz @ 90 Watts RMS into 8 Ohms
  • Hum & Noise: Greater than 76 dB below rated power
  • Power Consumption: 400 Watts, 50/60 Hz, 120 V AC

    PREAMP SECTION

  • Tubes: Three 12AX7 tubes
    The following specs are measured @ 1 kHz with the controls preset as follows:
    All EQ controls @ 5
    Ultra & Crunch Volumes @ 10
    Master Volume @ 5
    Resonance and Presence controls @ 5
    Effects Send @ 0
    Effects Return @ 10
    Nominal levels are with Gain @ 5
    Minimum levels are with Gain @ 10
    All levels increased by 6 dB if using Low Gain input

    Clean Channel

  • Nominal Input Level: -10 dBV, 300 mV RMS
  • Minimum Input Level: -22 dBV, 80 mV RMS
  • Maximum Input Level: 0 dBV, 1 .0 mV RMS

    Crunch Channel

  • Nominal Input Level: -60 dBV, 1 mV RMS
  • Minimum Input Level: -90 dBV, 0.03 mV RMS

    Ultra Channel

  • Nominal Input Level: -70 dBV, 0.3 mV RMS
  • Minimum Input Level: -90 dBV, 0.03 mV RMS

    Effects Send

  • Load Impedance: 47 k Ohms or greater
  • Minimum Output: -10 dBV, 300 mV RMS
  • Maximum Output: 0 dBV, 1 V RMS

    Effects Return

  • Impedance: High Z, 80 k Ohms
  • Minimum Input Sensitivity: -10 dBV, 300 mV RMS
  • Maximum Input Sensitivity: 0 dBV, 1 V RMS

    Line Output

  • Load Impedance: 47 k Ohms or greater
  • Adjustable Output: +/- 20 dBV, 0.1V RMS-10 V RMS

    Remote Footswitch

  • Special three-button metal footswitch with LED indicators and detachable cord (supplied)
  • Selects between three channels and bypasses effects loop

    System Hum & Noise @ Nominal Level (Clean channel - 20 Hz to 20 kHz unweighted)

  • Greater than 74 dB below rated power
    (Adjustable noise gate circuitry for Ultra & Crunch)

    Equalization

  • Custom bass, mid & treble passive-type EQ on Clean channel
  • Separate active +/-12 dB bass, mid & treble EQs on Ultra & Crunch channels
  • Fat switches on Ultra & Crunch modifies low frequency response
  • Resonance and presence damping EQ controls in power amp

    Dimensions & Weight

  • 11" H x 26.5" W x 11" D (279 x 673 x 279 mm)
  • 52 lbs. (23.6 kG)


Helpful Info about the Manufacturer
Phone:  601-483-5365 Warranty: 

Guitars/Basses, Amp, Pre-Amps, Mixers, Electronic Crossovers & EQs: 2 years *(+ 3 years)
Drums: 2 years *(+ 1 year)
Enclosures: 3 years *(+ 2 years)
Digital Effects, Keyboard & MIDI Controllers: 1 year *(+ 1 year)
Mics: 2 years
Speaker Components (incl. replacement parts) and all Accessories: 1 year
Tubes & Meters: 90 days
* Add'l warranty period applicable if Warranty Registration Card is completed & returned to Peavey by original retail purchaser within 90 days.

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