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Item # 423767 | Customer Ratings: Ratings ( 5 Based on 11 reviews)

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Blackstar Venue Series HT Studio 20H 20W Tube Guitar Amp Head
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      Blackstar Venue Series HT Studio 20H 20W Tube Guitar Amp Head (423767)
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Carefully voiced preamp with a cathode-biased EL34 power amp creates lush tube tone in this portable and highly versatile Blackstar amp head.

The Blackstar HT Studio 20H amp head offers huge versatility for home, rehearsal, or studio use and can be used with a variety of cabinets. The carefully voiced preamp coupled with a cathode-biased EL34 power amp, provides the user with the ability to create wonderfully lush valve tones. From pure boutique cleans, to mild overdrive that cleans up by backing off the guitar volume control, up to highly saturated distortion, this tube amp head does it all.

The Blackstar Venue HT Studio's Clean Channel provides a wide range of clean and moderately overdriven tones. The voicing is typical of many 'boutique' style amplifiers with a ringing Class A type performance. The overall character may be adjusted with the Tone control from dark and warm through to bright and sparkling.

The HT Studio 20H Overdrive Channel is characterized by a tone that's high in gain, but lacks any of the detached top-end 'fizz' often found in many similar designs. This is a result of unique preamplifier and power amplifier shaping techniques. The overdrive cleans up beautifully as the guitar volume is reduced, so even at the most extreme settings, the Overdrive Channel on the Blackstar amp head remains natural sounding.

The HT Studio 20H Overdrive Channel also has its own highly flexible EQ section providing a variety of overdriven tones. Blackstar's ISF (Infinite Shape Feature) control represents a major step forward in tone-shaping flexibility. The ISF control shifts the response of the 3-control tone stack between a US-type response at one end, and at the other a UK-type response. Between these two extremes the amp head provides an infinite number of alternative tone choices that would be otherwise unavailable.

The Blackstar HT Studio 20's 2-channel design has been optimized for either preamp or power amp overdrive, or a combination of both. The carefully voiced preamp and cathode-biased dual EL34 power amp configuration provides the user with the ability to create wonderfully lush tube tones. From mild overdrive, that cleans up by backing off the guitar volume control, to highly saturated distortion, this amp does it all.

The HT Studio 20H tube amp head also features a completely natural sounding digital reverb, which is outstandingly musical on both clean and crunch tones and raises the benchmark for guitar amplifier specific reverb design.

Blackstar Venue Series HT Studio 20H 20W Tube Guitar Amp Head Features:

  • 20-watt tube head
    2xECC83, 2xEL34
    2 footswitchable channels
    Enhanced tone controls
    Patent-Applied for Infinite Shape Feature (ISF)
    Master volume
    Digital reverb
    Speaker emulated output
    Effects loop
    1-way footswitch included
    Cool vintage styling


Blackstar Venue Series HT Studio 20H 20W Tube Guitar Amp Head Specifications:

  • HT Studio 20 Head
    Power (RMS): 20 watts
    Valves: 2 x ECC83, 2 x EL34
    Weight: 28-1/4 lb.
    Dimensions: 20-2/5" x 11-1/3" x 10-4/5"
    Footswitch: FS-4 supplied


Product Reviews
(Based on 11 reviews)
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Viewing Reviews 1 - 3 of 11 |
  • BlackStar HT-20 Stack

    As reviewed by Ray on 9/15/2010

    I recently purchased the HT 20 head and 2- 112 bottoms with the hopes that it could provide everything I like/need in a smaller, lighter package. After playing my Gibsons thru mostly Hiwatt amps for the last 40 years, I can honestly say I have found exactly what I was looking for. BlackStar offers a great sounding package in a smaller footprint, that covers the Hiwatt to Marshall guitar requirements. The amp has basic features with one input and two channels and The digital reverb works well for my needs. Quality & Reliability- I have only own the setup for 2 weeks, so I cannot say much about reliability; it looks to be built very well. The amp stack is attractive and stays in line with the better known British brands. Bottom Line- I am very satisfied and impressed with BlackStar.

    12 of 12 people found this review helpful.
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  • good things come in small packages

    As reviewed by Rodger on 8/30/2010

    i own a carvin v3100 head a rebel 20 ; avox nightrain and a peavey classic 50 dual channel.Each powers 3 seperate stacks of cabs. one a marshall stack with celletions 2 cabs ; another egnator cabs 2 and 2 b-52 cabs all are unique in sound but all are pure quality. Know for the blackstar 20 head . Its built like a tank your able to run to full cabs from it. Its sound is quite unique for you can dial in a variety of sounds using a multitude of features.I won;t go over whats been already said. For the price the quality of build and sound are unbeatable. It loves pedals and effects processors which i run threw them all. Depending on your style of playing this amp is great for all venues of music except maybe death metal. or thrash metal. It covers everything else great. Like i said buy one if you don;t like it bring it back in 30 days and get a full refund. I doubt that will happen. Easy to set up easier to use. For me at 48 I;m not into interfacing my guitars with computers. I;m old fashioned .I think in the future blackstar will be a company along with egnator vox and carvin to deal with . Lets see if it lasts the final test ..time.

    10 of 10 people found this review helpful.
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  • powerfull little head!

    As reviewed by scott hughes on 6/21/2011

    first off, i'm running this through a crystal lab 2x12 cab with a emimince govenor, and a celestion vintage 30. suprisingly loud. harmonics fly out! so far, i've left the stock tube amp doctors tubes in. i'd like to see how jj's sound in it. i have them in my peavey vintage 30, and i love them. i haven't played it in a band setting, but i'm sure it will more than keep up. the reverb is digital, so, a little sterile sounding to me. i play a modified epi les paul with a gibson 498t, and a bc rich mokingbird with a dimarzio air zone bridge pickup.(highly reccomended!) so i don't know about single coil sounds through it. definatly play one your self, as only you can decide. i love it. i brought it to my amp tech, and had him play it. he hot biased my peavey vin 30, and builds his own line. mooresound.com i asked him waht he would do to improve it. he said "nothing" so,if your looking to rock out, look no further!

    2 of 2 people found this review helpful.
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