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iSP Technologies Theta Active Series Owner's Manual

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Summary of Contents for iSP Technologies Theta Active Series

  • Page 2: Power Requirements

    INTRODUCTION Congratulations on your purchase of the THETA Head. You are now the owner of the most innovative guitar amplifier ever produced. The THETA Head was designed to provide the maximum possible over the top performance. With dual front end preamplifiers, a full complement of pre and post gain tone, over the top screaming gain (more than any amplifier available) in the distortion channel, dual Decimator noise reduction systems, studio quality digital reverberation, 300 watts of built in power and...

  • Page 3: Front Panel

    FRONT PANEL Understanding the THETA amplifier 6. POWER SWITCH Switches the unit on and off. 7. POWER LED THETA PREAMP1 1. PREAMP1 ON LED This led indicates when PREAMP1 is active and in the signal path. NOTE: The PREAMP1 switch on the THETA FOOTCONTROLLER switches PREAMP1 on and off. PREAMP1 is functional only when the CLEAN channel is selected.
  • Page 4 5. SWEEP FREQUENCY CONTROL This control works in conjunction with the MID boost/cut control and adjusts the center frequency of the MID boost or cut signal. At the full counter clockwise setting the midrange frequency will be at 300Hz, at the full clockwise setting the center frequency of the midrange will be at 6KHz.
  • Page 5 THETA CLEAN CHANNEL 1. CLEAN CHANNEL ON LED This led indicates when the CLEAN CHANNEL is active. NOTE: The CHANNEL SELECT switch on the THETA FOOTCONTROLLER switches between the CLEAN CHANNEL and DISTORT CHANNEL. THE CLEAN can be selected by using either the THETA FOOTCONTROLLER CHANNEL SELECT switch or by pushing the CHANNEL SELECT switch on the from panel of the THETA amplifier.
  • Page 6 5. SWEEP FREQUENCY CONTROL This control works in conjunction with the MID boost/cut control and adjusts the center frequency of the MID boost or cut signal. At the full counter clockwise setting the midrange frequency will be at 300Hz, at the full clockwise setting the center frequency of the midrange will be at 6KHz.

  • Page 7: Channel Select Switch

    LEVEL CONTROL The LEVEL control adjusts the output LEVEL of the CLEAN channel. NOTE: The final output level is determined by the setting of the MASTER LEVEL CONTROL. THETA DISTORT CHANNEL 1. CHANNEL SELECT SWITCH The CHANNEL SELECT switch changes the THETA operating channel from CLEAN to DISTORT.

  • Page 8: Level Control

    6. SWEEP FREQUENCY CONTROL This control works in conjunction with the MID boost/cut control and adjusts the center frequency of the MID boost or cut signal. At the full counter clockwise setting the midrange frequency will be at 300Hz, at the full clockwise setting the center frequency of the midrange will be at 6KHz.
  • Page 9 2. EFFECTS LEVEL CONTORL This control adjusts the level of an externally connected effects processor. NOTE: The loop must be turned on via the THETA FOOTCONTROLLER in order for the EFFECTS level to operate. 3. SOLO LEVEL This control adjusts the amount of boost that will be applied to the output signal when the THETA FOOTCONTROLLER boost switch is activated.
  • Page 10 7. DIRECT OUT The DIRECT OUT provides a speaker simulated recording output for direct connection to a mixing console. THETA FOOTCONTROLLER 1. PREAMP1 SWITCH This switch turns on and off PREAMP1 the CLEAN channel preamp on the THETA. 2. PREAMP1 LED When this LED in on PREAMP1 is active, switched on.

  • Page 11: D-Sub Connector

    10. BOOST This switch turns on and off the THETA BOOST function allowing up to 6db of boost of the output level of the amplifier. 11. D-SUB CONNECTOR Connect the 15-pin D-SUB connector between this connector and the D-SUB connector on the back of the THETA amplifier. FUSE REPLACEMENT 1.
  • Page 12 THETA SPECIFICATIONS Input Impedance 500k ohms Maximum Gain in Distortion channel Greater than 140db Treble Control /Preamp 1 and 2 +/-15db at 10Khz Treble Control /Clean and Distort +/-15db at 10Khz Bass Control /Preamp 1 and 2 +/-15db at 80Hz Bass Control /Clean and Distort +/-15db at 80Hz Mid Sweep Frequency /Preamps...

  • Page 13: Warranty And Service

    In the event that the unit needs to be repaired, please return the unit to ISP Technologies directly. Simply repack the unit, send a copy of the original receipt, a note stating the problem, and send it to: ISP Technologies, LLC 5479 Perry Drive Unit B Waterford, MI 48329 Attn: Repair Dept.

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