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Trident Audio HG3 3-Way Active Studio Monitors with Adjustable Mid/High Section

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The Trident HG3 Close-Field Studio Monitors feature a rather uniquely designed cabinet that helps to reduce or even eliminate some common problems that can occur in other monitor systems. Problems lik... Click To Read More About This Product

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The Trident HG3 Close-Field Studio Monitors feature a rather uniquely designed cabinet that helps to reduce or even eliminate some common problems that can occur in other monitor systems. Problems like limited dispersion, Doppler distortion, cabinet resonances; edge diffraction and other problems are reduced by the H3’s high and mid frequency cylinder that rotates independently form the main subwoofer cabinet.

Bass Response
The use of a bass port in a monitor can extend the usable response of a low frequency, but below port resonance, the speaker becomes uncontrolled and will flap wildly in conventional oriented systems. The trident HG3 system eliminated this problem by using a controlled electronic roll-off below the speaker’s usable response.

Separate sub woofers create additional problems by introducing phase cancellation at crossover, and exciting unwanted room nodes – eliminating the advantages of near filed monitoring. Separate sub woofer box placement is a hit or miss proposition, guaranteed to cause problems in poorly treated rooms.

The H3 uses long throw, dual-voice coil sub woofers in each speaker box, and optimal tuning, to smoothly extend the response to below 35Hz in a very small enclosure. Each sub woofer uses two high-powered amplifiers to insure clean, distortion free power. Further, the port is located outside the path of all active speaker components to insure freedom from Doppler distortion at very low frequencies. Below 90Hz, the HG3 bass response is essentially omnidirectional. From 90Hz up to the crossover point of 320Hz, the bass response narrows to about 180n degrees. Above 320Hz, any large diameter speaker’s dispersion narrows, and the frequency response becomes ragged and uneven, which is not a good thing.

Midrange Response
The most critical range in any monitoring system is the midrange. That is because the midrange frequencies are where the frequencies of the voice reside, as well as the main frequencies of a guitar’s sound, and the overall detail of music. Most two-way systems split the vocal range in the middle and assign part of the vocal to the woofer, and the other part of the critical vocal range to another speaker. That leaves part of the vocal being modulated by the pumping bass, and the other part is bouncing off the ends of the cabinet, creating edge diffractions, The result us smeared midrange, bad stereo imaging and poor off axis response. The Trident H3 uses crossover points set a t 320Hz and 3.5kHz to eliminate those problems. The unique cabinet design takes care of the rest.

The Cylinder
The midrange speaker is mounted in an isolated, 6” diameter, damped, inert cylinder with a 1/2” thick closed-cell wall that eliminates edge diffraction and woofer interaction. The cylinder also houses the 1-1/8” silk dome tweeter, its crossover, plus the mid and tweeter level controls. A separate 60-Watt amplifier drives the cylinder mid and treble components. The unique rotating cylinder design let’s the listener position the critical direction components exactly as needed, without having to move the main cabinet into a precarious balance position, regardless of the distance between cabinets. The electrical connections are made through the ends of the cylinder and can be turned in any direction, continuously, without damage. In fact, rotating the cylinder simply cleans the contacts.

The Amplifier
The Trident HG3 power amplifier section is made up of three high-powered MOS amplifier modules, noted for their low distortion, wide bandwidth, and low noise levels. A unique “muting circuit” prevents thumps at turn on/off. Two amplifiers are used to power the woofer section, and a separate amplifier is used for the mids and highs. Overall Distortion is typically around 0.05% and the noise level is typically below -104dB. A unique warning LED is built into the front panel of the Trident HG3 that chances from green to red as you begin to approach audible distortion levels.


  • Three-way studio monitors with unique cabinet design
  • Reduces or eliminates common issues found in other monitor systems
  • Dual voice coil long throw subwoofer, extends to 35Hz
  • High-powered MOS amplifiers ensure clean, distortion-free power
  • Eliminates uncontrolled woofer movement and port noise with controlled electronic roll-off
  • Crossover points set at 320Hz and 2.5kHz to eliminate mid-range modulation and refraction
  • Midrange speaker and tweeter both mounted in an isolated cylinder to eliminate edge diffraction and woofer interaction
  • Unique cylinder design allows positioning of critical components to desired angle
  • Built-in overload LED on the front panel
  • Frequency Response: +/- 2dB from 35Hz to 19.5kHz
  • Sensitivity (1Watt@1Meter): 89dB
  • Typical Noise Level: -104dB
  • Typical THD: 0.05%
  • Maximum Output: LF Section - 120 Watts RMS
  • Maximum Output: Mid/High Section -60 Watts RMS
  • Dimensions: 17-3/4" wide, 12-1/4" tall, 13-1/4" deep
  • Weight: 36.5lbs.
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