ISP Technologies Stealth Ultra Lite Power Amp
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The STEALTH ULTRA-LITE™ offers efficiency close to that of a Class D amplifier but has the great tone and overdrive clipping characteristics of a Class A/B analog power amplifier. The STEALTH ULTRA-LITE™ weighs less than one pound, but packs the performance of a true 90 watt guitar preamp / power amplifier all in a package size of 1.73 inches tall by 4 inches deep and only 4.9 inches wide.
Drop the STEALTH ULTRA-LITE™ on your pedal board and end up with a true compact rig with enough power to play with a drummer on stage. The STEALTH ULTRA-LITE™ will deliver a true 90 watts RMS 180 watts peak into a 4 ohm load (60 watts RMS 120 watt peak into 8 ohms) and comes with a universal switch-mode power adapter that will operate on any line voltage between 100 and 240 volts worldwide.
Tour with confidence knowing that the STEALTH ULTRA-LITE™ will operate anywhere in the world, on any AC mains, with the included universal power supply. ISP has also designed in Pop free operation with protection against shorts, open circuits and thermal runaway.
Single channel 1 x 180 watts Peak, 90 watts RMS output power
Built in front end preamplifier with 12dB gain, +/-10dB Bass and Treble
Smallest lightest high power amplifier for the guitarist available 1.73 X 4 X 4.9 inches .9 lbs
External 19VCD switch-mode power supply included for operation from 100VAC to 240VAC
Class A/B amplifier circuit for analog saturation and clipping sonic performance
Internal protection for shorts and open circuit
Time Delay turn on operation for POP free turn on and turn off
Specifications:
Input Impedance: 470k
Output Power:
4Ω @ 10% THD = 180WPEAK = 90WRMS
4Ω @ 1% THD = 160WPEAK = 80WRMS
8Ω @ 10% THD = 120WPEAK = 60WRMS
8Ω @ 1% THD = 100WPEAK= 50WRMS
16Ω @ 10% THD = 62PEAK = 31WRMS
Input Sensitivity/Max Output: -10dBu / .25vrms
Maximum Input Signal: +17dBu
Voltage Gain: 42dB
Noise Floor: -80dBu
Dynamic Range: 104db A WTD
Distortion: @10dBu output=.02% Full Output=.1%
Frequency Response: 20Hz – 20KHz = +0 / -.5dB
Input Power: 80mA @idle 3A full power @4Ω
Dimensions: 4.9” W x 1.75” H x 4” D
Weight: .95 LBS
Protection: Auto shutdown / Output shorts or low load impedance. Protected for open loads.
Note: 0dbu = .775 vrms
Returns & Exchanges
All our guitar pedals come with a standard manufacturer's warranty, guaranteeing they are free from defects in materials and workmanship. Should you encounter any issues with your pedal, we will repair or replace it at no cost to you.
We're committed to supporting you throughout your musical journey. Our dedicated team of experts offers lifetime technical support for all our guitar pedals. Whether you need assistance with setup, troubleshooting, or usage, we're just a phone call or email away.
Shipping & Returns
Tracking numbers will be provided so you can monitor the progress of your shipment. Products are securely packed to ensure they are adequately protected during transit.
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Let customers speak for us
It's like my old Eden WT800 and Ampeg SVT heads got together, had a bastard love-child that won the genetic lottery, then blasted that child with some sort of mad scientist shrink ray! So small it fits in my accessories bag - I don't even need to get a separate bag/rack for it - and my ageing joints love that it's barely 2 kg. The controls are so simple and intuitive, yet there is a surprising range of usable tones in this this. Sounds great with my pedal board and it works awesome with my current band. I don't regret going with the Quilter Bass Block at all!
First Klon style pedal I’ve ever owned.. does the job beautifully and saved myself about five thousand dollars.!! Delivered prompt and efficiently within a few days…. No complaints here.
Bought the Quilter Superblock US as an easy to carry alternative to the 50w valve head I usually take to gigs and jams. Matched with a 1x12 cabinet it sounds great, big sound for such a small package. Very happy with this amp.
Good solid tuner that’s seems to be well built, keeps tune well, buffer works great or alternatively has a button to disengage buffer for true bypass, great alternative to the usual tuner pedals on the market.. Great service from AME pedal arrived within a few days of order, and I got 10% off the price for my first purchase.
Simple and effective, though I prefer the older design.
This pedal is amazing! So smooth and responsive. High quality.
Guarantee
At AME Audio, your satisfaction is our priority. We guarantee that our products are crafted with utmost care and quality, and we're committed to ensuring your musical journey is filled with joy and exceptional experiences.