Rezensionen zu: TT Bauteilesatz Dumble Bluesmaster HRM50 - Howlin' Amps

Bewertung

Verfasser:
Volker S.
Datum:
Montag, 4. August 2025
Rezension:
Really, really awesome, really awesome Amp.\r\n\r\nField Report: Building the ODS Blues Master requires considerable craftsmanship and a solid understanding of the circuit. It wasn\'t exactly an easy undertaking, but the effort was worth it in every respect: The end result is a fantastic amplifier with a completely convincing sound – warm, dynamic, and \"unfortunately, really awesome.\"\r\nSince I\'ve never played an original Dumble myself and don\'t claim to have the playing ability of Larry Carlton, I\'ll spare you direct sound comparisons. Nevertheless, I can say: This amp is a real highlight. But first things first...\r\n\r\nTone Stack:\r\nPotentiometers for bass, mids, treble, presence, and ratio, plus the three tone switches and the PAB footswitch. The sound is truly excellent, or simply official! No matter how you adjust the controls, there\'s no muddy or undifferentiated sound. String separation always remains clean, even with more complex chords. Single coils sound brilliant and clear without being harsh, while humbuckers deliver noticeable punch and fullness.\r\nCompared to my other amps (I\'ve had them before or still have them) – including various Fender models, a Tone King Sky King, and a Marshall Bluesbreaker – the ODS Blues Master stands out.\r\nNOR Channel & Overdrive:\r\nThe NOR channel delivers a wonderfully clean sound – crystal clear, never sterile or scratchy. Depending on your playing style and pickup, the spectrum ranges from very clean to slightly distorted – ideal for bluesy and jazzy tones with character, charm, and depth.\r\nWhen you add the overdrive, the sun literally rises: Four amplifier stages now work in series, with distortion and compression being specifically influenced at three points. The result is an extremely nuanced, complex overdrive that never sounds clunky or muddy.\r\nParticularly worth mentioning: The internal overdrive board allows for precise presets for the treble, midrange, and bass frequencies using trim pots. Combined with the ratio pot, which significantly influences the character of the overdrive, this creates a virtually inexhaustible range of tonal possibilities – everything from singing and smooth to powerful and biting is available.\r\n\r\nFET Input:\r\nThe FET input connects a MOSFET transistor in front of the NOR channel, thus introducing an additional overdrive character. This is significantly different from the NOR channel and gives the signal a unique, \"dumpy\" tone – harmonically rich, slightly compressed, and with the typical, focused punch. In combination with the other tone controls, this results in virtually endless variations.\r\n\r\nDynamics & Playability:\r\nI play the amp through an OX Load Box to precisely adjust the power amp to a sensible operating point. The ODS Blues Master has plenty of headroom and a dynamic response. The amp responds sensitively to playing style, attack dynamics, and volume controls on the guitar— pedals works perfect (JHS morning Glory, MXR Distortion+, RC-Booster) - just what you\'d expect from a really, really awesome amp. In short: I\'m currently walking around the world with a permanent grin on my face. The ODS Blues Master isn\'t a simple piece of kit—but anyone who puts in the effort will be rewarded with an exceptional amp.\r\n
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