VALVET E4 single ended, Class-A demo pair in excellent condition


$4,390.00 USD $7,990.00 USD

This 120V E4 demo pair is in excellent condition. It has a little blemish on one of the heatsink fins (see photo). The pair comes with SR Pink fuses installed, double boxed with manual, stock power cords and full warranty.

Shipping costs to be determined. Please contact us for a shipping quote before ordering.

The new VALVET E4 solid-state single-ended Class-A mono-block amplifier.  The single-ended Class A mono-blocks E4 pursue a goal that all VALVET amplifiers strive for the purest and most unmanipulated transmission of music that touches the senses! A simple but sophisticated circuit, short signal paths and the best, long-lasting components ensure that your favorite artist reaches you very directly. Maximum long-term listening pleasure!

The E4 mono power amplifiers have an output power of 12 watts at 8 ohms and 20 watts at 4 ohms. This doesn’t seem like much at first glance, but these power amplifiers can also do amazing things on speakers with an efficiency of 89dB. The power amplifiers work in single-ended Class A operation and only with a single power transistor in the output stage. We are of the opinion that connecting several power transistors in parallel to increase performance power results in sound disadvantages. A good single-ended Class A design conveys music with a charm that other power amplifier concepts rarely or never achieve. The VALVET E4 offer the sound quality of a single-ended Class A tube amplifier without its disadvantages (tube wear, poor bass control).

For those interested in technology: a very quiet 500 VA toroidal transformer, 4 ultra-fast 60 A individual diodes as rectifiers and a filter with 4TTN electrolytic capacitors from Supertech ensure ultra-stable operation. Extremely short (pure silver) signal paths. New, discrete operational amplifiers in Class A operation.

The sound: dynamic, neutral, balanced, very musical, powerful with a lot of blackness and control in the bass and simply harmonious. In the current version, detailed improvements in mechanics, technology and sound ensure an even more harmonious package. These amps really sing!

  • connections: NexGen gold plated cinch & Neutrix XLR inputs, input impedance 50 kOhm, massive binding posts for speaker cable (plugs or spades), Furutech IEC socket
  • amplification: 12 watts into 8 Ohm (20w into 4 Ohm), Class-A, single-ended solid state!
  • gain: approx. 21dB (up to 30dB on special order)
  • transformer: 500VA each mono-block
  • Synergistic Research PINK Quantum fuses pre-installed (value of $500)
  • dimensions: 230 x 110 x 310 mm (9 x 4.4 x 12.2 inches) WxHxD each mono-block
  • case: black or silver anodized, solid extruded aluminum profiles
  • front: silver or black anodized, chrom fronts $500 surcharge
  • The sound: dynamic, neutral, balanced, very musical, powerful with a lot of blackness and control in the bass and simply harmonious. 


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