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Guitar Tube Amplifier

We would like to produce an amplifier for electric guitar in the form of a kit. The amplifier is practically a necessity for the guitarist and the tube sound is essential. Support our project and we will amplify your musical experiments.

EUR 313
pledged of EUR 6,348

4%

4% completed

5 contributors pledged

Music, Technology

Olomouc, Olomoucký kraj, Česko

All or nothing. Project finished on Feb 22, 2019 at 21:09.

Show all rewards

How we started?

I have been doing amplifiers during the communism era for musicians who could not buy the apparatus in our country or abroad, where they could not travel or just did not have the money. Nowadays, there is full internet of amps, but a knowledge, how it all works, is missing. When we got a few lamps several years ago, we decided to manufacture a small guitar amp. We built the first prototype and the result was surprisingly good. So we constructed the second and third versions on which we fine-tuned the design. After a short test of the amplifier, we realized that amateur musicians, DIY and other people from the music community might be interested in such amplifier. So we did a series of multiple amplifiers to verify repeatability of sound. Several musicians played on these amplifiers and were surprised and pleased. They agreed that the amplifier plays well.

What is our goal?

Our goal is to start producing and selling the kit of a small tube amplifier for electric guitar. Of course, with the high-quality design and the characteristic "tube" sound. The kit will include everything needed to build a complete amplifier: electronics, potentiometers, transformers, connectors, etc., including parts of the case, knobs and also user guide instructions. Why a kit? Because it allows enthusiasts, hobbyists, and musicians to engage in the process of building their own apparatus.

Details

The amplifier is designed as a low-power guitar gear designed for home training or musical production in pubs and bars. But it mainly targets the fans of warm sounds of vacuum tubes, amateur musicians, DIY, enthusiasts. The amplifier is single-channel, but it includes a footswitch for a solo play, two kinds of crunch sound, a headphone output, and speaker output. The dimensions are really pocket size: 105 mm x 200 mm x 100 mm. The customer can choose from three versions of the kit: Mini (without magic eye and foot pedal), Normal (with foot pedal), Maxi (with magic eye and foot pedal). We want to provide an open platform for sharing information (schematics, descriptions, instructions, etc.) among users via our upcoming web site. Users will obtain free access to schematics, instructions, technical information, and enhancements. We plan to continue developing the amplifier and allow individual sound adjustments, according to the "ear" of each musician, using additional modules. To prepare the production of the amplifier kit (including documentation, instructions, packaging, distribution) and the web, we will need money. We will then turn to the potential buyers and the public, asking for the project support by sending a financial sum. We assume that if our goals are met, we will be able to supply the kit no later than 6 months after the end of the project. For all who support us, we have prepared gifts and limited, special edition Tekto 5 amplifiers.

Parameters

Sound:

Classical sound of a tube amplifier. Normal / Gain switch causes a change in gain and thus less or strong distortion. The distortion rate is set by the Gain potentiometer.

Parameters

Power: 4 - 4.5 W

Controls, Inputs and Outputs - Front Panel:

• Check light

• 230V ON / OFF switch

• Volume

• Tone

• Gain

• Normal / Gain switch

• Hi input

• Lo input

Controls, Inputs and Outputs - Rear Panel:

• 230V socket

• Fuse

• Input for switching Normal / Gain footswitch

• Headphone Output 50 Ohm (this output can also be used as line output)

• 8 ohm speaker output

Design:

Dimensions approx. 105 mm x 200 mm x 100 mm, metal case, front panel clear, clear smoke, possibly with frost surface.

Reason?

Now, as everyone can build own 3D printer and can use open source and free information, we want to introduce a new, purely Czech platform for musicians and enthusiasts who will work together to develop and share their ideas. 

News

Jan 25, 2019 Amplifier from the prototype series

This is how the amplifiers from the prototype Cry blue 5 series (now Tekto 5) with the speaker box at one of our friends. Reprobox is the original VOX, but replaces the 16 Ohm original 8 Ohm speaker. It plays great.

More

Jan 25, 2019 New Design for 2019

This is how the new Tekto 5 chassis  and cabinet design will look like for 2019. The demonstrations will follow.

More

Project links

Comments

Choose reward for your contribution

  • sold 1
    I'm a fan


    I like your project and I'm glad to see you. That's why I want to contribute 200 CZK and I do not want anything more.

    Thank you for your support.

    Reward delivery: not specified

    EUR 7.93
    (CZK 200)

  • remaining 50 from 50
    I write lyrics and notes


    If you like our project and contribute 300 CZK, we will send you a pen with touch pen functionality and with Tektotronic logo. You can write texts and tabs on both your paper and your tablet or mobile.
     
    Thank you for your support.

    Reward delivery: on address, in a quarter after the Hithit project end

    EUR 11.90
    (CZK 300)

  • remaining 47 from 50
    I attend concerts


    If you like our project and contribute 500 CZK, we will send you a black T-shirt with the Tektotronic logo.
     
    Please note a size.


    Thank you for your support.
     

    Reward delivery: on address, in a quarter after the Hithit project end

    EUR 19.84
    (CZK 500)

  • remaining 35 from 35
    I love caps


    If you like our project and contribute 700 CZK, we will send you a black cap with the Tektotronic logo.
     
    Please note in the note: size
     
    Thank you for your support.

    Reward delivery: on address, in half a year after the Hithit project end

    EUR 27.77
    (CZK 700)

  • remaining 40 from 40
    Workshop Tekto Play


    If you like our project and contribute 1500 CZK, you will receive an invitation to a workshop where you will be able to test the Tekto 5 tube amplifier and its capabilities. You will learn about amplifier design and news updates and get to know people who have similar interests to you. Play with your pedals and test different speakers. Take your guitar and gear. The event is for one day, beginning at 10:00 am and ending afternoon. Refreshments will also include. We assume that the Tekto Play workshop will take place on Saturday. We will send you a detailed schedule with several dates, information about the venue, transportation, etc.
     
    Thank you for your support.

    Reward delivery: on address, in half a year after the Hithit project end

    EUR 59.51
    (CZK 1,500)

  • remaining 40 from 40
    Workshop Tekto Kit

    If you like our project and contribute 1 750 CZK, you will receive an invitation to a workshop where you will learn how to assemble the Tekto 5 amplifier from the kit, under developer guidance. The amplifier and its capabilities will be tested, you will learn about design, news, and get acquainted with people who have similar interests. You will play on the device and test different speakers. Take your guitar. The event is for one day, beginning at 10:00 am and ending afternoon. Refreshments will be included. We assume that the Tekto Kit workshop will take place on Saturday. We will send you a detailed schedule with several dates, information about the venue, transportation, etc.
     
    Thank you for your support.

    Reward delivery: on address, in half a year after the Hithit project end

    EUR 69.43
    (CZK 1,750)

  • remaining 30 from 30
    With solder in your hands - basic


    Do you like our project? Can you solder electronic components and assemble apm? Contribute 2000 CZK. You will receive the verified documentation and instructions for the Tekto 5 MINI, Tekto 5 NORMAL and Tekto 5 MAXI Amplifiers in a special edition. You get a 15% discount for manufactured parts of amplifier (chassis, bottom cover, box, description front panel, transformer, output transformer, sockets). We will send a complete list of parts. Select the color of the amplifier box and the front panel appearance.
     
    Please note in the note:
    a) Cabinet color
    1. Metal gray - matt
    2. Black - matt
     
    b) Front panel appearance
    1. Smoke semi-transparent
    2. Blue matte "frost"
     
    c) the list of parts you are interested in (see above)
     
    Thank you for your support.
     

    Reward delivery: on address, in a quarter after the Hithit project end

    EUR 79.35
    (CZK 2,000)

  • remaining 24 from 25
    With solder in your hand - complete


    Do you like our project? Do you have the experience of soldering electronics but do not you want to look for parts? Contribute 6 000 CZK. You will receive a complete set of parts and components (parts, transformers, tubes, sockets, printed circuit boards, cabinet parts, front panel, etc.), documentation and instructions for building the "Tekto 5" MINI Amplifier, in a limited edition edition. Select the color of the amplifier box and the front panel appearance.
     
    Please note in the note:
    a) Cabinet color
    1. Metal gray - matt
    2. Black - matt
     
    b) Front panel appearance
    1. Smoke semi-transparent
    2. Blue matte "frost"
     
    Thank you for your support.
     

    Reward delivery: on address, in half a year after the Hithit project end

    EUR 238.05
    (CZK 6,000)

  • remaining 25 from 25
    Assemble the kit

    Do you like our project and you don’t want to solder electronic components? Contribute 8 000 CZK. You will receive the Tekto 5 MINI Amplifier kit, limited edition. The kit includes wiring and all components, documentation and assembly instructions. Select the color of the amplifier box and the front panel appearance. And we add the Tekto Kit Workshop for free.
                       
    Please note in the note:
    a) Cabinet color
    1. Metal gray - matt
    2. Black - matt
     
    b) Front panel appearance
    1. Smoke semi-transparent
    2. Blue matte "frost"
     
    c) Confirm your participation on the Tekto Kit Workshop
     
    Thank you for your support.

    Reward delivery: on address, in half a year after the Hithit project end

    EUR 317.40
    (CZK 8,000)

  • remaining 20 from 20
    Amplifier Tekto 5 MINI


    Do you like our project but do not want to build and solder anything? Contribute 9000 CZK. You will receive a finished Tekto 5 MINI Amplifier, including documentation. Select the name of the amplifier that will be printed on the front panel. Select the color of the amplifier box and the appearance of the front panel. And we add the Tekto Play Workshop for free.
     
     
    Please note in the note:
    a) Name text
    b) The color of the cabinet
    1. Metal gray - matt
    2. Black - matt
    3. Silver
     
    c) Front panel appearance
    1. Smoke semi-transparent
    2. Blue matte "frost"
     
    d) Confirm your participation in the Tekto Play Workshop
     
    Thank you for your support.
     

    Reward delivery: on address, in half a year after the Hithit project end

    EUR 357.07
    (CZK 9,000)

  • remaining 20 from 20
    TOP Amplifier Tekto 5 MAXI


    Do you like our project but you don‘t want to engage and solder anything? Contribute 13 000 CZK. You will receive a finished Tekto-5 MAXI amplifier with accessories (foot switch + cable, guitar cable), in a Tektotronic metal case. Select the name of the amplifier that will be printed on the front panel. Select the color of the amplifier case and the appearance of the front panel. And we add the Tekto Play Workshop for free.
     
    Please note in the note:
    a) Name text
    b) The color of the cabinet
    1. Metal gray - matt
    2. Black - matt
    3. Silver
     
    c) Front panel appearance
    1. Smoke semi-transparent
    2. Blue matte "frost"
     
    d) Confirm your participation in the Tekto Play Workshop
     
    Thank you for your support.
     

    Reward delivery: on address, in half a year after the Hithit project end

    EUR 515.77
    (CZK 13,000)

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