●We’ve taken another look at circuit constants and achieved a higher grade of reproducibility for SACD and other new-generation audio formats.

●Consists of a pure balance amplifier in which the XLR balance input does not have to pass through a transformer, an inversion amplifier, etc.

●Makes use of a simple two-stage amplification structure based on rigorously selected low-noise FET. The load resistance makes use of non-inductive coil resistance manufactured by Dale, thus realizing straightforward properties that take advantage of the features of vacuum tubes and outstanding sound quality with a high level of clarity.

●The output stage is designed to lower impedance by using a rigorously selected high voltage dual triode (6FQ7 type) in parallel connection, which has resulted in an improvement in dynamic range especially in the high frequency.

●The heater power source for the vacuum tube makes use of a power circuit of the DC ignition type using an electrolytic condenser and a high-speed Schottky barrier diode, bringing about further improvements in the SN ratio.

●Makes use of a large-capacity power transformer and capacitor.

●Equipped with one XLR (balance) input system and two RCA (imbalance) input systems, meaning that there is a total of three input systems.

●In the case of the RCA input, switching with the earth side ensures that there is almost no interference between devices.

●Use is made of a high sound quality quadruple volume unit which makes possible XLR input as well as all kinds of line level analog voice inputs.

●The RCA terminal “Input 1” is equipped with parallel output terminals and enables input throughout. Connection with other pre-amplifiers and recording decks, etc., is also possible.

Specification

●Vacuum tubes:6FQ7/6CG7 type x 4
●Frequency response:DC-100 KHz / +0, -1.5 dB SR-007 or SR-404 Signature, when using 1 unit
●Rated input level:200 mV / 100 V Outputs
●Maximum input level:30 V r.m.s. / at Minimum volume
●Amplification:54 dB (x 500)
●Total harmonic distortion:0.01% / 1 KHz, 100 V r.m.s. output SR-007 or SR-404 Signature, when using 1 unit
●Input impedance:50 KΩ / XLR balance 50KΩ×2
●Number of inputs:RCA×2, XLR×1 (balanced)
●Maximum output voltage:340 V r.m.s. / 1 KHz
●Standard bias voltage:DC 580 V
●Power voltage:120-240V ±10%, 50 to 60 Hz (adjusted for your area)
●Power consumption:55 W
●Temperature range for use:Between 0º and 35ºC, max. 90% (no condensation)
●External dimensions:195 (w) x 103 (h) x 420 (d) mm (including VR knob and pin jack (20 + 10)
●Weight:4.7 Kg