UralTone Knowledge Base

UralTone Knowledge Base

  1. UralTone - Mauri Pännäri RIAA 2.0 build guide
    Categories: UT HIFI tube amp kits

    UralTone - Mauri Pännäri RIAA 2.0 build guide

    The RIAA preamplifier designed by amplifier guru Mauri Pännäri is a popular and highly regarded building project. The circuitry is based on two amplifier tubes and one FET transistor per channel. By changing the FET type, the series is suitable for both MM and MC cartridges. This guide provides instructions on how to build the RIAA preamplifier.

    Latest Posts

  2. STEP UP 12VDC-B+ TUBE AMP PSU KIT
    Categories: Everything else

    STEP UP 12VDC-B+ TUBE AMP PSU KIT

    STEP UP 12VDC-B+ TUBE AMP PSU KIT The use of switch-mode power supplies in tube amplifiers is still rare. There is no functional issue with switch-mode power supplies as long as they are well designed, use quality components, and ensure that individual components can be replaced by service technicians, as entire modules are virtually never […]

  3. ALL OCTAL SE TUBE AMP BUILD GUIDE
    Categories: UT HIFI tube amp kits

    ALL OCTAL SE TUBE AMP BUILD GUIDE

    The UralTone All Octal SE Stereo amplifier is a traditional Single Ended stereo amplifier with one exception. It operates on a 12VDC (7A) power supply, so there is no 230VAC network input or transformer within the amplifier itself, making assembly safer for beginners. Inside the chassis, there are two boost regulator-type power supplies that elevate the incoming 12V voltage to about 300V, enabling the tubes to operate at optimal voltage and current levels.

  4. UralTone MiniSynth - Build Guide
    Categories: UT eurorack kits

    UralTone MiniSynth - Build Guide

    UralTone MiniSynth is compact sized analog synth kit. This is pictorial guide for assembling and adjusting the kit.

  5. UralTone EF80 Tube Stereo Preamp build guide
    Categories: UT Studio gear kits

    UralTone EF80 Tube Stereo Preamp build guide

    UralTone Micro Stereo Pre is designed to enhance and eq line-level instruments.
    In this pictorial guide the assembly of the preamp kit is shown.

  6. UralTone Phase 90 - Build Guide
    Categories: UT Pedal kits

    UralTone Phase 90 - Build Guide

    UralTone Phase 90 is MXR 90 implemented with minor improvements. The effect is built into a self-drilled 1590B case. This build guide shows you on how to build Phase 90 kit.

  7. UralTone Colorful Overdriver Build Guide
    Categories: UT Pedal kits

    UralTone Colorful Overdriver Build Guide

    Colourful Overdriver is UralTone version of Coloursound Overdrive used by Jeff Beck, David Gilmour and others. Here’s the pictorial build guide how to assemble the effect from a kit.

  8. UralTone REDD.47 - Build Guide
    Categories: UT Studio gear kits

    UralTone REDD.47 - Build Guide

    UralTone REDD .47 RACK is a 1- or 2-channel microphone preamplifier based on the famous REDD.47 preamplifier of the REDD.51 mixing desks used in Abbey Road studios. This illustrated build guide covers the assembly of the UralTone kit.

  9. Pännäri Revenge JFET RIAA -kit
    Categories: UT HIFI tube amp kits

    Pännäri Revenge JFET RIAA -kit

    The popular tube RIAA designed by Mauri Pännäri is continued as a discrete JFET implementation. This illustrated article guides you through the construction of the connection.

  10. UralTone Harmonic Percolator Kit Build Guide
    Categories: UT Pedal kits

    UralTone Harmonic Percolator Kit Build Guide

    Harmonic Percolator build guide.

Items 1 to 10 of 56 total