SP-2B Preamplifier

New: Latest "Special Plate" Sovtek 6922 tube, Elite & Platinum versions, too

The Musical Design SP-2B is the successor to the superb SP-1 and SP-2 preamps. Each was a well reviewed and highly regarded design. Years of painstaking research with vacuum tube circuits establishes the foundation of the SP-2B.

The Design: An unusual, single-stage, non-feedback configuration is used. The extremely simple design with very few parts in the signal path is, in part, responsible for the purity of the SP-2B. The active gain stage is an all-tube design with a minimum of "copper on glass" signal path. The sophistication of Musical Design components is revealed in the superb detailing and transparency, that is never accompanied by harshness. The careful 'selection by ear' of all passive and active components results in breathtaking transparency and naturalness.

The Sound: The SP-2B fulfills the dream of an affordable, yet extraordinarily natural, smooth and transparent preamp. A single stage tube amplifier with no feedback opens a new world of transparent and liquid sound. The soundstage is wide, deep and open without identifiable ‘shaping’ or ‘truncation’ of lesser designs. The wide dynamic range portrays thunderous crescendos as well as the most delicate instrumental shadings. The simple, but elegant thrill of the SP-2B is that it transports you to the excitement of the live performance!

The Models: The SP-2B standard model sets high sonic standards for units that normally sell for three times the price and more. The latest Elite versions offer upgrade paths to performance levels equaling that of any high-end audio preamplifier at any price!

Elite version opens a new world of BIG powerful sound. Exotic PEC volume control, OFC RCA jacks, more
Elite Ultra version opens a new world of transparency. Exotic TaN resistors, PEC volume and balance controls, OFC RCA jacks, more
Signature has PEC volume control, OFC RCA jacks, more
Class-A, SRPP Vacuum Tube circuit is a single stage with low distortion and no feedback
Single-Stage, Two Tube Design has incredible simplicity for the best sound
Dual ‘Main Out’ jacks simplify bi-amp/dual-amp operation
‘Direct/Source’ switch maintains great signal purity with your finest source
Regulated ‘B+’ and ‘Heater’ power supplies with separate B+ regulators for each channel
18 Gold-Plated, Teflon® insulated RCA jacks on all inputs/outputs
IEC Power cord socket for hi-end power cords
On command Signal Muting, plus 30 seconds auto-muting after turn-on