CONVERGENT SL1 MKII

Pre owned. In fair condition. Shows various signs of wear as visible in the photos. Comes with original manual and packaging.

The Convergent SL1 MKII is a tube preamplifier renowned for its ability to convey emotion, delivering a level of sound reproduction rarely found in electronics of this class. It preserves its original sonic character while benefiting from numerous updates to components, tubes, and the power supply stage, solidifying its reputation for excellence and reliability. Its phono stage, regarded as one of the best on the market, allows turntables to perform exceptionally, while the handcrafted construction and carefully selected materials ensure stability and high-quality sound.

The unit features a separate power supply connected via a long cable without connectors, minimizing interference and signal loss. All internal components are carefully chosen, from capacitors to military-grade volume and balance switches, and teflon-insulated silver conductors, while Ken Stevens personally oversees the most critical parts of the phono stage. The SL1 MKII offers an essential set of functions: one phono input with adjustable impedance, two line inputs, a tape monitor, and two outputs—nothing superfluous, yet everything necessary for music to fully express itself.

Build quality is evident in the details: a heavy metal chassis with vibration-absorbing layers, stable circuits, and precise internal component placement give the preamplifier rare solidity, typical of hand-made products. The power supply, paired with a specially designed thick cable, contributes to a pure and uncompromised listening experience, emphasizing the natural warmth and musicality of the tubes.

The Convergent SL1 MKII is more than just a preamplifier; it is a true instrument for enthusiasts who wish to experience music with intensity and precision. Its combination of craftsmanship, selected materials, and functional design makes it a benchmark in tube amplification, capable of delivering deep sonic emotions and musical performance that withstands time and trends.

Technical specifications:

• Type: tube preamplifier with phono stage
• Inputs: two line-level; one phono; tape
• Outputs: two main; tape
• Frequency response: 0.1 Hz–600 kHz ±0/-3 dB (line); 20 Hz–20 kHz ±0.2 dB (phono)
• Voltage gain at 1 kHz: 26 dB (line); 46 dB (phono)
• IHF sensitivity: 0.12 mV
• Slew rate: 15 V/µs (line); 10 V/µs (phono); rise time 0.6 µs
• Total harmonic distortion (THD): 0.0005% (line); <0.001% (phono)
• Noise: 90 dBA below 1 V (line); 96 dBA below 10 mV input (phono)
• Input overload: 100 V (line); 250 mV (phono)
• Input impedance: 50 kΩ (line); variable phono, standard 47 kΩ and 180 pF
• Preamplifier dimensions (with feet): 14 cm H × 48 cm W × 30 cm D
• Power supply dimensions: 11.5 cm H × 30 cm W × 15 cm D
• Total weight: 24.5 kg