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It's Discontinued Sale! Save $2,550.


Bob Carver Tube Amplifiers. Following on the heels of his previous 305 amplifier, Bob Carver has created the Crimson 350.

Never one to rest on his laurels, Bob has yet again created a design that sets a new benchmark, defining what a high power vacuum tube amplifier should be.


Rated Power:
350 watts/8 ohms, 350 watts/4 ohms, 400 watts/2 ohms

Frequency Response:
2 Hz to 85 kHz (-3 dB)

Less than 0.5%

Power Bandwidth:
24 Hz to 28 kHz without filters

Line Inputs:
2; XLR (not fully balanced) and RCA

Input Impedance:
100 kohms (RCA)

30 dB (8 ohms)

Tube Complement:
One 12AX7, one 12AT7, one 6AL5, six KT120 (or KT150 for extra charge)

Hum and Noise:
Better than 120 dB, referred to 350 watts, A-weighted

Rear panel potentiometer adjust, front panel meter

Feedback Control:
20 dB, Classic; 11 dB, Contemporary

Output Transformer:
Interleaved windings, super wideband, low leakage inductance,

Proprietary design

Source Impedance:
1.7 ohms

Speaker Outputs:
2, 4, and 8 ohms

Crimson Red or Gloss Black with Natural Aluminum and Bright Chrome

7.2” X 12” x 14” (H x W x D) / 44 lbs. per chassis

Country of Origin:
United States of America

10 years

Specifications subject to change without notice.

Bob Carver Black Magic 350 Monoblock Tube Amplifier