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Adam Audio A77X (Pair)


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R39,999.00

Adam Audio-A77X Starting with the X-ART tweeter, its actual diaphragm area (if unfolded) is four square inches (the equivalent of a 56mm dome tweeter in area) with a velocity ratio of 4:1. Crossover is at 3kHz and the tweeter reaches up to 50 kHz. The A77X’s 7-inch woofers appear to share all the characteristics of the premium SX-Series, a “double sandwich” of fiberglass/carbon fiber/Rohacell and high excursion. One of its woofers handles only 400 cycles and below, while the other reproduces lows as well as mid content up to 3 kHz, where the ribbon takes over — a “2.5 way” design, perhaps? Each woofer is powered by its own 100W PWM-type amp, whereas the tweeter has its own 50W A/B-type amp. The rear panel houses both XLR and RCA inputs, a low- and high-frequency shelving EQ control (at 300 and 5kHz, respectively, + or -6 dB) and a tweeter level control (+ or -4 dB).

Features

  • Optimized for Center or Left Orientation
  • Dual 7″ Horizontally Mounted Drivers
  • Single Extended Frequency Tweeter
  • Tri-Amplified Design Totaling 250W RMS

Specifications

Subwoofer Number: 1:1
Basket: 7″ (175 mm) / 7″ (175 mm)
Voice Coil: 1.5″ (38 mm) / 1.5″ (38 mm)
Cone Material: Carbon, Rohacell, Glass / Carbon, Rohacell, Glass
Tweeter Type: X-ART x 1
Diaphragm Area: 4″² (2420 mm²)
Equivalent Diaphragm: 2″ (56 mm)
Velocity Transform Ratio: 4:1
Diaphragm Weight: 0.006 oz (0.17 g)
Amplifiers Subwoofer: PWM x 2
Amp Power RMS: 100 W
Amp Power Peak: 150 WTweeter: A/B x 1
Amp Power RMS: 50 W
Amp Power Peak: 75 W
Control Panel Input Sensitivity: -∞ to +14 dB
High Shelf EQ > 5 kHz: ±6 dB
Low Shelf EQ < 300 Hz: ±6 dB
Tweeter Gain: ±4 dB
Connections Rear XLR / RCA (analog)
Frequency Response 38 Hz – 50 kHz
THD ≤0.5% (90 dB/1 m > 100 Hz)
Output ≥114 dB (long term output)
SPL ≥122 dB
Crossover Frequencies 400 / 3000 Hz
Input Impedance 30 kOhms
Magnetically Shielded No
Dimensions (HxWxD) 9.5 x 21 x 11″ (236 x 530 x 280 mm)
Weight 28.2 lb (12.8 kg)
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