• German Handmade Precision X-ART Tweeter with rotatable HPS waveguide
• 3.5" DCH Midrange Driver
• 2 x 7'' Woofer (Multi-Layer Mineral)
• Total Peak Amp. Power: 340 W
• Frequency Response @ -6 dB: 34 Hz – 45 kHz
• Max. peak SPL per speaker at 1 m: 106 dB SPL

Specifications:

• Display: Front panel multi-color LED
• Cabinet Design: Dual front ported
• Cabinet Material: Vinyl wrapped MDF and painted MDF front panel
• Mounting options: Threaded inserts on the bottom of the cabinet (4 x M8)
• Power consumption (max, idle, sleep): 220 W, 15 W, 3.5 W
• AC Input Voltage: 100 – 240 V, 50/60 Hz
• Power Rating: 500 W max.
• Operating Conditions: -10° C to +40° C (+14° F to +104° F); <75 % RH, non-condensing
• Weight: 17.1 kg (37 lb 11 oz)
• Dimensions (Height x Width x Depth): 236 mm x 531 mm x 350 mm (9 1/4″ x 20 7/8″ x 13 3/4″)
• Delivery Contents: A77H loudspeaker, power cable, Quick Start Guide

Audio Input Connectors:

• Analog: XLR, RCA
• Input Impedance: 9 kOhm / 3.3 kOhm
• Max. Input Level: +19 dBu

Amplification:

• Woofer:
• Amplifier Type: PWM
• Peak (10% THD, limiter deactivated): 250 W
• RMS (1% THD, limiter deactivated): 200 W
• Midrange:
• Amplifier Type: Class A/B
• Peak (10% THD, limiter deactivated): 70 W
• RMS (1% THD, limiter deactivated): 55 W
• Tweeter:
• Amplifier Type: Class A/B
• Peak (10% THD, limiter deactivated): 20 W
• RMS (1% THD, limiter deactivated): 15 W

Control Options [via Network]:

• Networking Connector: RJ45
• Connection Type: Ethernet
• Communication Protocol: OCA using standard IP data
• Control Software: A Control (Windows and MacOS available)
• Room Adaption Options: Backplate, Extended, Sonarworks SoundID Reference integration
• Advanced Room Adaptation: 6 x PEQ, Level, Delay
• Third-party Calibration Compatibility: Import from Sonarworks SoundID Reference

Acoustics:

• Frequency Response @ -3 dB: 37 Hz – 41 kHz
• Frequency Response @ -6 dB: 34 Hz – 45 kHz
• Crossover Frequencies: 400 Hz, 3.0 kHz
• Max. peak SPL per speaker at 1 m (sine bursts): 106 dB SPL
• Max. peak SPL per speaker at 1 m (IEC-weighted noise): 118 dB SPL
• Max SPL in full space at 1 m with sine bursts (average 100 Hz to 6 kHz) @ 3% THD (RMS): 105 dB SPL
• Max SPL in full space at 1 m with sine bursts (average 100 Hz to 6 kHz) @ 3% THD (Peak): 108 dB SPL
• Max SPL in full space at 1 m with sine bursts (average 50 Hz to 100 Hz) @ 3% THD (RMS): 99 dB SPL
• Max SPL in full space at 1 m with sine bursts (average 50 Hz to 100 Hz) @ 3% THD (Peak): 102 dB SPL
• Dolby DARDT max SPL in full space: 118 dB SPL
• Dolby DARDT max SPL in full space (bass managed): 120 dB SPL

Drivers:

• Woofer:
• Basket Diameter: 2 x 7″
• Voice Coil Diameter: 1.5″ (38 mm)
• Cone Material: MLM
• Midrange:
• Type: Dome Cone Hybrid (DCH)
• Basket Diameter: 3.5″
• Voice Coil Diameter: 1.3″ (33 mm)
• Cone Material: MLM
• Tweeter:
• Type: X-ART
• Diaphragm Area: 4 inch² (2420 mm²)
• Equivalent Diaphragm Diameter: 2″ (56 mm)
• Velocity Transform Ratio: 4 to 1
• Diaphragm Weight: 0.17 g
• Waveguide: HPS (rotatable)
• Waveguide Dispersion: 120° horizontal, 70° vertical

Signal Processing:

• AD converter: 24-bit
• Internal sample rate: 96 kHz
• Delay range, resolution: 0 – 10 ms, 0.1 ms
• Protection: Independent peak and thermo limiters for each driver, and amplifier thermo limiters

Control Options [via Backplate]:

• Input Sensitivity: 0 dBu = 100 dB SPL at 1 m @ 0 dB level setting
• Level: -12 dB to +12 dB
• Input Selection: Balanced, unbalanced
• Voicings: Pure, UNR
• Room Adaption:
• Bass: +2, 0, -2, -4 dB
• Desk: 0, -2, -4 dB
• Presence: +1, 0, -1 dB
• Treble: +1.5, 0, -1.5 dB