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Introduction – ISP Technologies THETA Head User Manual

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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
the 6 button THETA Foot controller the THETA Head defines a new standard in guitar
amplification. The THETA Head has dual processing channels, Clean and Distort, both

incorporating independent Decimator noise reduction systems allowing the use of
extreme gain with absolutely no noise. The THETA Head also incorporates ISP
proprietary “dynamic gain modulation” providing “the feel” answering the quest of the

professional guitar player.

Please read this manual carefully for a through explanation of the THETA Head and its
functions.



PRECAUTIONS

NOTE: IT IS VERY IMPORTANT THAT YOU READ THIS SECTION TO PROVIDE YEARS OF

TROUBLE FREE USE. THIS UNIT REQUIRES CAREFUL HANDELING.

All warnings on this equipment and in the operation instructions should be adhered to and all

operating instructions should be followed.

Do not use this equipment near water. Care should be taken so that objects do not fall onto

and liquids are not spilled into the unit through any openings.

The power cord should be unplugged from the outlet when the unit is left unused for a long

period of time.

DO NOT ATTEMPT TO SERVICE THIS EQUIPMENT. THIS EQUIPMENT SHOULD BE
SERVICED BY QUALIFIED SERVICE PERSONNELL ONLY. DO NOT MAKE ANY INTERNAL

ADJUSTMENTS OR ADDITIONS TO THIS EQUIPMENT AT ANY TIME. DO NOT TAMPER WITH
INTERNAL ELECTRONIC COMPONENTS AT ANY TIME. FAILURE TO FOLLOW THESE
INSTRUCTIONS WILL VOID THE WARRANTY OF THIS EQUIPMENT, AND MAY CAUSE A

SHOCK HAZZARD.

POWER REQUIREMENTS

This unit requires connection to a 120-volt AC outlet. Do not cut or disconnect the ground
pin on the power cord. Do not attempt to connect this unit to any power source other than
the specified 120VAC. The THETA Head will typically draw approximately four amps of

current when driving a 4-ohm load.