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Among the limited amount of ODS amplifiers produced by this legendary amp maker, a handful were armed with EL-34 power amp tubes rather than the 6L6 tubes found in most ODS amps. Attempting to recreate this particular version gives the HRM edition of the Ultraphonix a quintessentially British voicing and EQ shift compared to the original.The “Master” control determines the total output of the pedal. The “Volume” control adjusts how hard the pedal’s preamp is working, giving you more control over the amount of gain coming from the preamp. Turn up the “Accent” control to increase presence and slowly introduce more saturation into your signal. The “Ratio” control allows you to blend your distorted and clean signal, and the “Tone” knob allows you to accentuate different upper-mid frequencies, ranging from 800-1.6k Hz. The Most Rare Dumble Voicing Ever Made! Dumble Overdrive Special meets Marshall Plexi Ultra-Phonix HRM | Eric John-A-Massa Tone | ES-335 EL-34 British Voiced Dumble-style OverdriveSonic re-creation of Dumble ODS #02145 Voicing Controls for Overdrive ToneMaster (volume), Volume (gain), Accent (presence), Tone, Ratio (clean blend)100% Analog CircuitDesigned in North Hollywood, California We are open Tuesday-Saturday from 10am until 6pm CDT. Any order placed before 3pm CDT Tuesday through Saturday is processed for shipment the same day. Orders placed Sunday-Monday will be processed for shipment the following Tuesday. For Free Shipping items, Effects pedals and small goods items are generally shipped via USPS Priority Mail, and Guitars and Amplifiers are generally shipped via UPS Ground. Due to our central location in the middle of the US, most orders will be delivered within 1-3 days delivery time.Other shipping methods are available (at an additional cost), including next day air.Please call us directly at (972)540-6420 if you have any questions regarding shipping for your order. Return Policy Details Accessories for this product... Voodoo Lab Pedal Power 4x4 Pedalboard Power Supply Our Price: $199.99 Add Related Products... Vertex Standalone Buffer Our Price: $249.99 Add Vertex Battery Power Supply V2 Sale Price: $29.99 Add Vertex T Drive Overdrive Pedal Our Price: $199.99 Add Vertex Boost MKII Our Price: $199.99 Add Vertex Buffer Module Our Price: $249.99 Add Share your knowledge of this product with other customers... Be the first to write a review