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Review Summary
4 balanced analog on XLR (left and right)
2 analog audio on XLR (left & right)
Mains power 100 to 240V AC 10%, 50 to 60Hz
AES, VU, Ext. VU, BBC, EBU, Nordic, DIN, Custom
98dB SPL at 2' / 0.60m
Transient: 10 to 20W
Continuous: 5 to 10W
80Hz to 16kHz +/- 7dB (-10dB at 50Hz to 22kHz)
Better than -68dB below full output
40kOhms > Balanced
< 0.15% at any level below limit threshold
8% or less at worst case frequencies above 180kHz including cabinet resonance; typically <2%
<1 Gauss any adjacent surface
Approx. 35W
1RU in a standard 19" rack
19 x 1.75 x 11" / 482.6 x 44.45 x 279.4mm
10lbs / 4.54kg
A pinnacle of audio precision and reliability, the AMP1A-Plus 2CH Active Rackmount Ultra-Nearfield Stereo Speaker Monitor stands as a testament to Wohler's commitment to high-quality sound reproduction in professional environments. This single unit boasts a sleek and stylish design that seamlessly integrates into any studio setup, occupying minimal rack space while delivering full-fidelity stereo audio monitoring of two analog channels.
Crafted with durability in mind, the AMP1A-Plus features four high-performance transducers, each meticulously driven by three robust power amplifiers. The innovative amplifier/driver configuration is engineered to handle midrange and high-frequency information in crystal-clear stereo, while a dedicated amplifier manages the low-frequency sounds below the 500 Hz crossover point. This advanced design ensures a balanced and detailed audio experience, with an extended high-frequency response that uncovers any potential issues with audio whine or hiss.
The AMP1A-Plus sets itself apart with its ultra-nearfield monitoring capability, providing optimally focused sound for operators within a 1 to 3-foot range. This unique feature not only allows for a higher sound pressure level (SPL) directly to the operator but also significantly reduces ambient noise and crosstalk from adjacent bays. The result is an immersive listening environment where every nuance of the audio is captured with exceptional clarity.
Moreover, the AMP1A-Plus employs electronic cancellation of bass frequencies, a sophisticated approach that enhances the audible detection of out-of-phase audio feeds, ensuring that any reversed polarity issues are promptly identified and addressed.
For added convenience, the front panel of this reliable speaker monitor includes a headphone jack, which, when used, automatically mutes the speakers to provide a private monitoring experience without disturbing the surrounding workspace.
In summary, the AMP1A-Plus 2CH Active Rackmount Ultra-Nearfield Stereo Speaker Monitor is an advanced, reliable, and stylish choice for professionals seeking a high-quality, all-in-one audio monitoring solution. Whether for use in recording studios, during live performances, or in other professional audio settings, this speaker monitor from Wohler is designed to meet the exacting standards of musicians, producers, and engineers alike.