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ISP Technologies Theta PRE Guitar Preamplifier

Designed for use with high-gain amps, the dual preamp provides awesome tone shaping capabilities. The on-board Decimator gate allows for ultra-quiet playing. (1) Read 1 review for this product | Rate and review this product
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ISP Technologies Theta PRE Guitar Preamp

The ISP Technologies Theta preamplifier offers a unique approach to the guitarist, providing two selectable input pre-distort preamplifiers. Using the Theta preamp is like having two low-noise, extremely high-quality preamp pedals at the input of the amplifier. Each front end preamp has gain, bass, mid level, mid sweep and treble which provides amazing pre-distort tone shaping. The amplifier's "Clean" and "Distort" circuits have the same post-distort tone shaping.

The Clean channel has additional tone shaping with the inclusion of a Presence control providing more than 20dB of high frequency boost. You want gain? The Theta Preamp has over 160db of gain you can control and make usable only because we've included dual independent full-featured Decimator Noise Reduction systems. The Decimator defines a new standard for excellence in real time noise reduction performance. The Decimator was designed to provide the maximum possible performance in a noise reduction system designed specifically for extremely high gain guitar amplifiers.

The Thea Preamp Decimator is designed with dual channels of single ended noise reduction. Configured specifically for high gain guitar applications. The Theta preamp is the first to incorporate "Dynamic Saturation Modulation," which delivers the actual feel of a saturated tube power amplifier. Shipped with a 6 button footswitch to control all of the parameters of the Theta and comes with the interconnection cable.

zZounds is an authorized dealer of ISP Technologies products.
- Bass Control (Pre amp 1 and 2): +/-15dB at 80Hz
- Bass Control (Clean and Distort): +/-15dB at 80Hz
- Mid Sweep Frequency (Preamps): 300Hz to 6KHz
- Mid Sweep Frequency (Channels): 300Hz to 6KHz
- Mid Boost/Cut Range (Preamps): +/- 12dB
- Mid Boost/Cut Range (Channels): +/- 12dB
- Presence Range (clean): 0dB to +18db
- Decimator Effective Noise Reduction: Greater than 80dB
- Dimensions: (W x H x D) 19 x 4 x 8"
- Weight: 16 lbs.
- Ships: with a dedicated 6 button footswitch to control all of the parameters of the theta preamp and the interconnection cable
Weight, Dimensions, and Manufacturer Part Numbers
Shipping Weight: 16 lbs
Shipping Dimensions: 24 x 14 x 4 in
Manufacturer Part Number (MPN): Theta Preamplifier
If you have additional warranty questions, please contact the manufacturer at 248-673-7790
Customer Reviews
5 out of 5 (1 ratings) Rate and Review This Product
"ISP is the BEST"
Overall: I've owned this preamp for a few years now and it's far and away the most versatile, easy to use and lovely preamp I've ever owned. Searing high gain tones all the way to ultra clean (ala Alex Lifeson circa PRESTO). Can't be beat... ISP Technologies is an incredible company full of good folks who make amazing gear. You won't be disappointed... I record a lot direct via the Cab Sim XLR outs and it's just incredible.
Style of Music: Experimental, hard rock, metal, ambient, alternative to music...
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