Dynaco SCA-50
Brand: Dynaco
The Dynaco SCA-50 is a high-quality tube preamplifier that was first introduced in the 1960s. It is part of the legendary Dynaco ST-70 stereo integrated amplifier collection, known for its warm, full-bodied sound and impressive dynamic range.The SCA-50 features a triode input stage utilizing two 12AX7 tubes, followed by a high-gain current source input buffer, and a precision volume control utilizing a logarithmic taper for smooth level adjustment. The output stage employs two 6550 tubes configured as a traditional push-pull configuration, delivering 27 watts per channel into 8 ohms and 44 watts into 4 ohms.The distinctive point of the SCA-50 is its user-adjustable impedance, capable of selecting from four settings: 4, 8, 16, and 32 ohms. This feature allows the preamplifier to adapt to different speaker systems and cables utilizing different impedance loadings.The SCA-50 is a highly versatile preamplifier, capable of supporting a wide range of input and output options, including:- Two RCA input jacks in the fixed position- One set of AC input jacks for turntables- One set of AC output jacks for speakers- One RCA tape loop output- One RCA recording input jackThe SCA-50's user-friendly design and vintage aesthetics are a testament to the golden age of audio technology. Its meticulous build quality, premium aluminum trim plates, and subtle aesthetics have made Dynaco a highly regarded and respected name in boutique high-end audio.In summary, the Dynaco SCA-50 is a highly sought-after and exceptional tube preamplifier that is over five decades old, recognized for its rich, detailed, and full-bodied sound, remarkable dynamics, user-adjustable impedance, and a wide range of input and output options. It is an iconic part of its brand's audio heritage and continues to inspire admiration and enthusiasm among high-end audiophiles worldwide.
- Power Output: 25W into 8Ω (stereo)
- Frequency Response: 15Hz to 45kHz
- Distortion: 0.25%
- Speaker Impedance:
- Input Sensitivity: 1.65mV (mm), 125mV (line)
- Signal to Noise Ratio:
- Line Output:
- Dimensions: 13-1/2 x 12 x 4-1/4"
- Weight: 15 lb
- Year:
- Price:
