Carvin has a similar speaker (passive only), though I would hesitate to claim them being equal, but at $579 each, might be worth a look (and they're made in the US):
http://www.carvinguitars.com/products/SCX1253
- System Type: Dual 15-inch 3-Way, Co-planar bass reflex
- Frequency Response: 50 Hz – 20 kHz (-10DB); 60 Hz – 18 kHz (-3 dB)
- Coverage Pattern: 90H x 60V
- Crossover: 3-Way with Speaker Guard™ HF protection
- Crossover Frequencies: 350 Hz, 2.0 kHz (internal)
- Recommended external crossover frequency: 350 Hz @ 12dB/oct. or greater
- Power Full Range: 800w Continuous /1600w Program /3200w Peak
- Recommended Amplifier Power: 500 – 1600w
- Sensitivity (1w @ 1m): 101dB 60-350Hz; 98dB 350-18KHz
- Maximum SPL: 128dB Cont. / 134dB Peak
- LF Driver: Dual 15-inch Heavy Duty 2.5-inch VC
- MF Driver: 6.5-inch Heavy Duty 1.5-inch VC
- HF Driver: 1-inch exit Mylar 1.75-inch VC
- Nominal Impedance full range: 4 ohms
- Bi-amp LF: 4 ohms 800w /1600w /3200w
- Bi-amp MF/HF: 8 ohms 150w /300w /600w
- Enclosure: 13-Ply Premium Russian Baltic Birch
- Finish: Black DuraTex™
- Transport: 2 Recessed Handles
- Grill: Black powder coated steel
- Connectors: Two 4-pin twist lock connectors, Two 1/4-inch connectors
- Dimensions (H x W x D): 29 in x 19.75 in x 22.75 in (737 mm x 505 mm x 580 mm)
- Net Weight: 71 lb (32 kg)
- Made in San Diego, California

edit: I notice the 2 images aren't the same .. I suspect that they changed the location of the hand holds before release and 1 image is prerelease and the other post.