Crimson 275 Stereo Tube Power Amplifier

Features

  • 75 x 75 watts into 8 ohms

  • Under 2-ohm capability

  • Tubes

    • 12AX7 x 1

    • 12AT7 x 2

    • Tung-Sol KT120 x 4

  • Output Transformer

    • Proprietary design with hand-wound, interleaved windings of copper and silver on a steel core; low leakage inductance, super wide band

  • Four-function meter

    • Bias setting (in conjunction with rear panel control)

    • Tube Tester (tests at actual voltage and current conditions)

    • Tube Matcher (cool, but not really necessary)

    • VU Meter

  • Rear Panel

    • Power Switch

    • IEC AC Input Socket

    • Line Fuse

    • Tube Fuse

    • Recessed Tube Bias Control

    • 5-way binding post outputs

    • Gold-plated 5-way binding posts

    • Gold-plated RCA inputs

  • Crimson finish

  • Convection cooling

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Specifications

 

Rated Power:
More than 75 Watts Per Channel, minimum, typically 90 watts, at eight ohms, from 20Hz to 20kHz with no more than 1% total harmonic distortion while delivering music into loudspeaker loads. Distortion decreases at lower levels.

4Ω       75 Watts Per Channel

8Ω       75 Watts Per Channel

16Ω     60 Watts Per Channel

 

Frequency Response:
+0, -3dB from 16Hz to 35kHz.; Flat 20Hz – 20kHz ±0.25dB during music reproduction.

 

Distortion:
Less than 1.0%

 

 Bandwidth:
24 Hz to 28 kHz without filters

 

Line Inputs:
Gold-plated RCAs

Speaker Outputs

Gold-plated 5-way binding posts

Input Impedance:
100 Kohms (RCA)

 

Gain:
29 dB (8 ohms)

 

Tube Complement:

One 12AX7, two 12AT7’s, four KT120’s (optional: KT88 or 6550)

 

Hum and Noise:
Better than 100 dB below 75 Watts, A-weighted.

 

Bias:
Rear panel potentiometer adjust,  front panel meter

 

Output Transformers:
Interleaved windings, super wide-band, low leakage inductance, proprietary design

 

Source Impedance:
1.7 ohms

 

Color:
Sparkle Burgundy Red, Raven Black.


Dimensions/Weight:

14" x 7" x 9.5" (W x H x D) / 19 lbs

 

Country of Origin:
United States of America

 

Chassis and Tube Warranty:
5 years


Specifications subject to change without notice.