The THD UniValve 15W Class A Amplifier Head delivers tones from smooth and clear to warm and full to aggressive overdrive. The single-ended Class A circuit design uses the highest-quality parts and hand-built construction for clean and faultless operation.The single output tube can be switched at will with nearly any octal-based power tube for diff[Read More]

Loadbox II, the same in 8 ohm version

The Rev Jr. Pro is newest in Krank’s Jr. Series of small but powerful lower wattage tube amplifiers. Expanding on the original Rev Jr., the two-channel Pro version is footswitchable and has the added features of treble and bass controls on the Kleen channel. The Rev Jr. Pro’s circuit is very similar to the 120W Rev + in design and offers the sa[Read More]

Adapterbox + 5 meter extension cable for connecting a MIDI switcher to the Twintone Multitone and Powertone II

Sound reinforcement is the use of audio amplification systems. This book is the first and only book of its kind to cover all aspects of designing and using such systems for public address and musical performance. The book features information on both the audio theory involved and the practical applications of that theory, explaining everything from[Read More]

The THD UniValve Rackmounted Guitar Amplifier Head is a single-ended class A amplifier head with a single output tube that can be switched at will among many octal-based power tubes, including 6L6, EL34, 6550, KT90, KT88, KT77 and KT66, for different tones without re-biasing the amp. Likewise, the two preamp tubes can be any combination of 12AX7, 1[Read More]

Loadbox II, the same in 16 ohm version

The precision, hand-built, single-channel THD Flexi-50 50W/20W Class AB Amplifier Head can operate loaded with almost any preamp and power tubes in any combination. It's the only amplifier you need to own. Whether you strive for English overdrive, California clean, or Texas punch, this master-class head can deliver it. It also boasts a heady 50W Cl[Read More]

The Sovtek brand of military grade vacuum tubes are made in Russia and considered to be among the finest currently available. The Sovtek 5881 delivers a warm, round tone that "sweetens" any vintage or modern guitar amp design. Chances are if an amp uses 6L6-style output tubes, it has Sovtek 5881s in its sockets. Built to rigid military standards, [Read More]

This North American built all-tube 200W bass amp head stays true to its vintage roots. The YBA200 is a fan-cooled 200W all-tube bass head powered by four Sovtek 6550WE power tubes amplifying the 2 Sovtek 12AX7A and one 12AU7 that make up the preamp section. In true Traynor tradition, there are no semiconductors in the signal path, glass epoxy circu[Read More]