Specs -- Valentina A8


  • Frequency response, on axis, ±3 dB
    • 30 Hz - 20 kHz in medium to large rooms
    • 20 Hz - 20 kHz in small rooms
  • Maximum continuous SPL from pair at sweet spot
      • 112 dB in small room at 8’ distance [2.5m]
        • 108 dB in medium to large room at 13' [4m]
          • Peak transient SPL at least 6 dB higher
          • Dispersion pattern: Unipolar: enclosed cabinet eliminates backwave, easy setup compared to other electrostatics
            • Listening area
                • 20° horizontal dispersion at 15 kHz
                  • 6.5’ wide at 13’ [2m wide at 4m]
                  • 4’ wide at 8’ [1.2m wide at 2.5m]
                  • Controlled dispersion -- uniform frequency response over a known angle; rolls off rapidly beyond
                      • conserves recorded ambience
                        • sharpens the soundstage
                          • reduces interaction with the room, especially reducing wall splash
                          • involves the room enough, however, to avoid in-your-head imaging
                      • Remote control: level, mute, input, preset, on/standby
                      • Inputs
                        • Analog
                          • Balanced XLR in and through
                          • Single ended RCA in and through
                      • Digital
                      • AES (balanced XLR)
                      • Optical S/PDIF (TOSLINK)
                      • Coax RCA S/PDIF
                      • All have through outputs, except optical sends its through data from coax output
                      • Input circuit automatically engages whichever input has a signal
                      • Adjustable gain by way of remote control; no effect on resolution or S/N
                      • Crossover: 2nd order @ 500 Hz
                        • Far below the disturbance-sensitive hearing region of 1 kHz - 3 kHz
                        • Entire midrange and treble carried by the electrostatic elements
                        • DSP (Digital Signal Processing) implementation, which functions exactly according to design intent, unlike complex passive crossovers
                      • Secondary partial crossover on electrostatics
                        • Resistor-only 1st order passive at 5 kHz
                        • Limits the upper treble from half the width of ESL panel
                        • Controls dispersion and flattens the electrostatic aperture effect roll-up response without an electrical rolloff network
                      • Built in equalization
                        • Idealizes the frequency response
                        • Provides three room boundary reinforcement corrections, selected with the remote control
                        • Adapts the bass response to a wide range of speaker placements relative to walls, or can be used to boost or cut bass
                      • airLayer feature
                        • High grade, silk ring-dome tweeter mounted on outboard side of each speaker
                        • Adjustable level from off to overly loud
                        • Its sound is reflected from each near side wall
                        • 2nd order crossover at 2 kHz
                        • When adjusted to be just slightly on, enhances the sense of spaciousness
                        • When adjusted to higher volume, provides extra treble for informal, off-axis  listening
                      • Driver configuration
                        • 2.5 way, WTW (Woofer - Tweeter - Woofer) quasi-line
                        • Woofer radiation pattern mates well to electrostatic array
                        • Reduces room mode coupling, eases placement
                        • Excellent phase alignment for image focus
                        • Vertical image stability
                        • Minimal floor bounce effect
                      • Electrostatic panels
                        • Two identical panels in each speaker, mounted in a barometrically isolated sub-enclosure
                        • Vertical array; 7” x 16
                        • Protected by an integral barrier
                        • 80 in2 [520 cm2] forward radiating
                        • Tough, stable, injection molded stators
                        • 66-element, parallel wire, stator electrodes (total of 132 electrode elements per panel)
                        • Unique panel construction and materials are immune to the effects of wide and rapid temperature and humidity swings
                        • Optimal sonic membrane material
                      • Thickness less than 1/15th of a sheet of 20 lb. paper -- lighter than the air it is driving (air load exceeds in-band mass load)
                      • Acts as a virtual air driver with force applied evenly over its whole surface -- no breakup, no coloration
                      • Properly damped, unlike see-through electrostatics, for most accurate transients
                      • No midrange or treble coloration
                      • Distortion is far below audibility
                      • Will not lose tension or degrade
                      • Woofers
                        • Two identical, 8” [25.5 cm], low mass, long excursion, alloy cone, low distortion, low inductance, high resolution drivers connected in parallel
                        • Operate far below their breakup frequencies for nearly ideal pistonic motion and thus practically no coloration
                        • Seamless integration with the electrostatics
                        • Strong, accurate bass, not boomy club bass
                        • Tight, palpable impact and slam
                        • Direct connection to the amplifier eliminates the effects of speaker cables
                      • Enclosure
                        • Sealed --fast woofer transient response, low group delay, tight integration with electrostatics
                        • Walls high mass, 1” thick [25 mm], well damped, well braced; negligible vibration
                        • 2.5” [63 mm] thick, solid hardwood baffle is stable and rigid, yet free of resonances
                        • Baffle step is reduced by front edge scoops, which are also visually interesting
                        • Modest backward tilt
                      • Maintains time alignment between drivers and thus sharpens image
                      • Causes the image to appear above the speakers, not from down on the floor
                      • Plinth
                        • 2.5” [63 mm] thick
                        • Solid, hard maple, painted to match cabinet
                        • Choice of high durometer rubber feet or spikes
                      • Amplifiers
                        • Two amplifiers in each cabinet, one for the woofers and one for the electrostatics and airLayers
                        • Input impedance (analog)
                          • XLR: 44 kΩ, balanced to ground
                          • RCA: 54 kΩ
                      • S/N ratio
                        • 111 dBA Digital input
                        • 109 dB Analog input
                      • Power (each speaker) 1000W RMS maximum
                      • Damping factor: >1500
                      • Distortion: < 0.001% (THD + Noise)
                      • Frequency response: 10 Hz – 50 kHz, +0/-3 dB
                      • Efficiency: 92% at full power – very green
                      • Mains power: 17 Watts idle; 220 Watts max.
                      • Self-adapts to any mains worldwide
                      • IEC cord inlet with power switch and fuse drawer -- uses standard power cords worldwide
                      • Fuse: Slow blow; 12A for 120V or 6A for 240V
                      • Built-in surge protection
                      • Weight -- 28 kg [62 lbs] each with standard plinth
                      • Dimensions
                        • Speaker enclosure: 36" tall x 10.2" wide x 8.9" deep [91 cm tall x 26 cm wide x 23 cm deep]
                        • Plinth: 12" wide x 14" deep x 2.5" thick [30 cm wide x 35 cm deep x 6 cm thick
                      • Heirloom quality materials and finishes used throughout for lifetime durability, yet all are recyclable
                      • Designed, engineered, and built in the USA
                      • Warranty -- 5 years on speaker components, 2 years on electronics, against failures caused by defects in materials or manufacturing
                      • Modular construction; field repairable
                      • 3/8" [10 mm] thick wool felt above and below electrostatic panels suppresses edge diffraction
                      • Appearance options available (custom finishes/paint, custom woods)

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