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New Sound Reinforcement Products, July 2008

POWERSOFT K3 DIGITAL POWER AMP Powersoft ( expands its flagship Digam K Series with the ultracompact, single-rackspace K3 power


Powersoft ( expands its flagship Digam K Series with the ultracompact, single-rackspace K3 power amp, measuring 14 inches deep and weighing only 17.6 pounds — yet delivering 800 watts/channel @ 2 ohms. The K3 also features a digital gain-attenuator control, user-selectable maximum output power for each channel, and Power Factor Correction (PFC) for low power consumption and wide mains operating range. An interactive, front panel LCD matrix shows load impedance, output power and mains voltage measurements for each channel, while a variable-speed fan reduces noise. The K3’s built-in remote control (RS-485 interface) offers full diagnostic, operational setting and system monitoring with Smart Card parameter storage. Options include built-in DSP and Ethernet control via Powersoft’s KAESOP protocol, and proprietary Audio Suite software.


Intended for mid- to large-sized music venues, new install speakers from Klein + Hummel ( feature precise pattern control and wide frequency response. The IS-122 is a 12-inch/two-way design; the 12-inch IS-123 and 15-inch IS-153 are three-way systems. Each was designed with Mathematically Modeled Dispersion™ technology for optimum coverage control and smooth arrayability with rotatable horn patterns in 80×50 and 50×40 formats. A modular, removable back-plate system can be factory-ordered or field-swapped with a passive crossover, wired for external bi-amping or in a self-powered version with DSP tunings optimized by Klein + Hummel. A single Cat-5 cable distributes digital audio to powered speakers while providing integrated remote control and monitoring when used with the company’s K8 system.


The Superlux D108A ($64) from Avlex ( is a handheld vocal mic with a dynamic capsule in an all-metal, shock-resistant housing with a foam-mesh grille. The mic’s supercardioid element is designed to provide off-axis rejection and high gain-before-feedback. Offering a flat (50-16k Hz) frequency response and a proximity effect optimized for the performing vocalist, the D108A also has a built-in locking plate to ensure the switch remains in the on position.


The successor to the X-Rack Series, the X Series rackmount mixers from Crest ( offer the same features as their predecessors and are available in four new models with improved performance. Units are available with up to 14 mono and up to four stereo inputs, long-throw faders, 4-band semi-parametric EQ, channel inserts and low-noise mic preamps. The X18R and X20R have six configurable aux buses and three main buses for front-of-house mixing, while the X18RM and X20RM have up to 12 mono or six stereo mix buses for floor or in-ear monitoring. Integral monitor and tape-level outputs provide additional flexibility.


The W8VDQ compact, three-way system from Martin Audio ( combines line array and differential-dispersion technologies to provide even coverage over wide angles and throw distances, with a short-throw horizontal dispersion of 120° narrowing to 100° as the throw increases. The vertical differential directivity (VDQ) creates progressively more HF output as throw distance increases. The resulting dispersion pattern is suited to covering audiences located on flat or gradually sloping surfaces. Designed for passive or bi-amp operation — combining a Hybrid™ quad 8-inch LF and MF configuration with quad 1-inch HF — the all-horn-loaded system achieves 131dB/continuous SPLs or 137dB/peak. Options include the WMX, WS18X and WS218X subwoofers.


Now available in the U.S. through American Music & Sound ( is the entire Wharfedale Pro ( line, including the new S-Series dual-channel amps. The S Series comprises three models — S-1000, S-1500 and S-2500. All are two-rackspace designs with identical layouts, differing only in output power. The front panel has LED indicators for power, protect, bridge, peak and signal presence, along with a power switch and volume pots for the input channels. Rear panel mode switches offer selection of signal limiting, low-cut filter set/frequency selection, stereo and mono input modes, and output bridging. Inputs are XLR and ¼-inch TRS, along with 4-pin, NL-4-style Speakon and binding post outputs.