Most Popular Articles
New Products (Nov 2004)
HD Radio transmitters
Mini HD: With the addition of Mini-HD, a new line of 10W to 600W HD Radio transmitters, Harris can now support multiplexer input, interleaved antenna and separate antenna applications. Like Harris' Z-HD Radio transmitters, the Mini-HD line is available with Harris' Neustar option, which enables supplemental audio channels and 5.1 surround-sound applications. Designed for FM radio stations using space combining to implement HD Radio, applications of this transmitter include separate antennas, interleaved antennas, dual-port antennas and FM combiner port injected feeds. The transmitter integrates with the Dexstar HD Radio exciter with a linear RF amplifier in a single rack cabinet.
EVO Unplugged: EVO Unplugged features acoustic guitar performances from top musicians and unsigned bands. The discs in this series are all original recordings, created specifically for underscores. The initial releases in the series include EVO026 - Acoustic Chemistry and EVO036 - Acoustic Masters V1. Future EVO Unplugged series releases will feature guitarists Randall Bays, Alex DeGrassi, Doug Smith and Ray Russell. The EVO website offers users downloadable bonus tracks, additional versions not available on the CD and provides the opportunity for users to give creative input on the library's future releases.
Signal preamp and voice processor
VX2496: This 24-bit/96kHz compatible product features an additional AES/EBU output besides the voice processing functions. The unit houses a discrete ULN mic/line input stage with soft mute 48V phantom power. Its AES/EBU output with selectable 44.1, 48, 88.2 and 96kHz sampling rates or external clocking ensures digital compatibility. It also offers a true RMS expander for smooth noise reduction and authentic tube-emulation circuitry for typical tube and tape saturation sounds. An opto-compressor with integrated dynamic enhancer provides musical compression, while the voice-optimized equalizer offers three specially selected bands of equalization, one of them sweepable.
NED 30m database: V-Soft Communications has compiled the USGS National Elevation Dataset (NED) 30-meter database for use with Probe 3, Terrain-3D, Plot Path and other V-Soft Communications programs. The satellite corrected, terrain database, which includes the continental United States, Hawaii and Puerto Rico, offers increased resolution. The 30-meter dataset is useful for plotting critical STL paths and analyzing Longley-Rice coverage.
Internet STL software
Digital Juke Box
STL Ware: The STL Ware receiver will never be off the air for more than the amount of time the user sets it to silence sense. If the Internet connection should ever be lost, the software will automatically start playing pre-recorded audio cuts so that it will appear to listeners that the station is still on the air. Users can have as many audio cuts as they want and they can last as long as they wish. Air-talent can record several four-hour audio cuts and the listeners won't know it's recorded.
Copywriter Tower: A 10-recorder duplicator, this CD/DVD copying system can be operated without being connected to a computer. The unit provides configurations of 16 recorders in a twin-tower system. Features include the ability to store disc images, change recording speeds, keep job counts and perform audio track extraction. A two-line LCD display and two-button interface make accessing those features easy.
Patriot Antenna Systems
LNB line: This is a new series of low-noise blocks for C and Ku band use. Various models cover different bandwidth needs and specifications for various applications. Eight C-band units and eight Ku-band units are in the standard product line, including minimag, DRO and PLL varieties. Additional frequency ranges and stability ratings are available by special order.
Ethernet audio interface
Analog Line Node: This audio networking component provides a real-time, low-delay interface between pro-audio equipment and Ethernet. Using the system, analog audio is converted to and from 24-bit PCM digital audio network streams; once on the network, audio can be routed and shared and mixed in the network domain. Each node contains eight balanced stereo inputs and outputs, as well as 24-bit A/D/A converters throughout. The Livewire-enabled Ethernet port connects to a high-capacity media network based on standard Ethernet switching technology; nodes are connected with the same CAT-6 cable used for Ethernet data networks.
Pearl Microphone Labs
Elm-B and Elm-C: The Elm-B in its figure-eight pattern and the Elm-C in its cardioid polar pattern are designed for stereo recording. The mics offer more than twice the surface area of large-diameter round capsules, providing a good S/N ratio, but avoiding high levels of in-band resonance. This mic features a sensitivity of 18 mV/Pa, self noise IEC-179 of 12dBA; impedance of 100 ohms, maximum SPL of 126dB; operating voltage of 48V; and a three-pin XLR connector. The frequency response is from 20Hz to 20kHz. It measures 7.75" long and weighs 10.75 ounces.
DV Promix 3: This three-channel mixer is battery operated for portability and provides audio in a compact and lightweight package. The mixer allows the operator to easily mix three audio sources. The unit features low cut filters (80Hz, 20Hz, 150Hz), pan switches (left, center, right), channel faders, meters (-20 to +3dBv, green, amber, red), a headphone monitor, battery compartment (2x 9V Alkaline) and an external power input (7 to 16Vdc).
Thermal CD/DVD printer
Signature Z1: Capable of printing directly onto CD-Rs and DVD+/-Rs, as many as four separate areas of a disc can be printed with this printer. The system prints each of four quadrants by spinning the disc and then applying ink in each area. The unit connects to any PC running Windows 2000/XP via USB 1.1/2.0. Enter the data, import graphics and logos, and print. The printer's label design software can use any font on the PC and over 250 clip art images are included. Each disc takes less than one minute to print.
Rugged XLR connectors
6852, 6853, 5109 and 5110: The clamping mechanism of these connectors can withstand 100 pounds of pull without disconnecting the cable. Designed to deliver low-noise audio transmission, the XLR connectors feature gold contacts and black nickel coating to reduce reflection. They also feature a smooth, best-of-breed latching mechanism for easy, more secure connections. These connectors are also available on 10 to 25 foot cable assemblies made with Belden 1172A four-conductor Star Quad, low-impedance cables.
Mic mute switch
MM11: This passive switch temporarily mutes a balanced XLR signal. A user presses the switch to mute the signal, releasing the switch to restore it. Primarily designed for use as a mic mute, the unit provides a large actuator switch that can be used by hand or as a footswitch. The unit is housed in a hefty 0.09" steel chassis. It features a one-million-cycle switch that exceeds common switch ratings of 10,000 cycles. It can be placed on a tabletop or attached to a Rolls MSC106 mic stand clamp. Because it is a passive device it can also be used to switch line-level signals.
MGE UPS Systems
EX RT: Offering a double fault-tolerant design, the 5kVA, 7kVA and 11kVA systems allow high performance online operation with dual-feed ac input sources to provide a double layer of power availability to protected equipment. At 6RU, the UPS' flexible modular design allows users to deploy the systems in high-density rack or stand-alone tower configurations for server room, testing or manufacturing environments. The system provides two hours of battery backup time and eight hours with the optional charger module and extended battery cabinet. The unit's redundancy capability provides separate normal and bypass ac input as well as hot standby functionality when installed with multiple units in an N+1 configuration.
Short-form PCI audio cards
PCX924v2, PCX22v2 and VX222v2: These stereo cards have been resized to the short-length PCI format. With a length of 6.875", the boards now fit in the most compact computers with 5V, 5V+3.3V or 3.3V PCI busses, as well as computers with PCI-X busses. The new sound cards are fully compatible with existing drivers for the longer versions of PCX924v2, PCX22v2 and VX222v2. The PCX924v2 is a full-duplex stereo sound card for simultaneous and independent record and playback. The PCX924v2 features 24-bit converters, balanced analog and AES/EBU I/Os, an external AES/EBU synchronization input, a headphone jack, as well as Wave and Digigram np Runtime drivers. A playback-only card, Digigram PCX22v2 offers two analog or digital outputs only. The VX222v2 sound card includes balanced 2/2 analog inputs and outputs with 24-bit converters, as well as a stereo AES/EBU input/output.
Codec control software
Zephyr Remote Enterprise: The Zephyr Remote Enterprise Edition now has the ability to control and automate station dialing schedules. This includes second-by-second planned autodial scheduling. If a station dials a certain number everyday of the week from 11:30 a.m. to 11:40 a.m., Zephyr Remote will instruct the programmed Zephyr to dial and hang-up at the appropriate times. Automating these tasks helps alleviate human error. It may also save on long distance charges from lines that were not hung up.
Spanish language training course
RF Site Safety Awareness: RSI now offers an online Spanish language version of the RF Site Safety Awareness training course. The course is recommended to understand FCC and OSHA policies on RF safety, inform employees about the hazards of RF and other safety issues found when working on or managing an RF site. This online interactive training session focuses on hazard recognition, hazard avoidance and hazard abatement techniques in connection to working at a telecom or broadcast site. Both the Spanish and English versions have been updated to include how NEPA policies affect an RF site, proposed FCC rule changes, current enforcement actions and new audio and video features.
Voice alarm dialer
VAD-2: The tiny tools VAD-2 is a user-programmable, two-input, multi-number voice/pager auto dialer designed for dial-out voice message notification. The unit features two dry contact inputs, which, when tripped, will sequentially dial one pager and as many as three phone numbers and play back a user recorded message corresponding to the tripped input. The technology is capable of remote or local configuration and message recording with a total recording time of 16 seconds. The two SPST relays may be programmed for momentary, latching or tone duration operation. The dialer may be set on a desktop, mounted on a wall or four units can be mounted on the RA-1 rack-mounting shelf.
HM54: A 1RU headphone amplifier, this unit features balanced left and right TRS main inputs, as well as left and right TRS direct inputs on each of the four channels. From the front panel, users can select the main stereo mix with its own input level control, or the stereo direct input on each of the four available channels. In addition, each channel offers dedicated headphone volume control, and a button that allows musicians to switch between their custom-crafted direct mixes and the main mix at any time. The amplifier offers eight headphone output jacks, four on the front of the unit and four on the rear, so that cables can be hidden.
ME-120, ME-160: The monitors are available in two models: ME-160 two-way reference monitor (6.3" cone driver and 1" soft dome tweeter) and ME-120 full-range reference monitor (4.7" full-range cone driver). Both models offer high power handling (90W), flat frequency response and magnetic shielding for AV applications. These speakers include removable grilles, gold-plated speaker terminals and optional mounting hardware. The rated impedance for both speakers is 6 ohms.
SCM12 Pro: This two-way passive monitoring system is designed for near-field applications that can be shelf- or stand-mounted. Each monitor features a hand-built driver composed of a 3" midrange soft dome coupled onto a 6" cone for bass and midrange frequencies, as well as a 1" soft-domed tweeter with a neodymium magnet for high-end response.
6723: The 8-32-UNC 2A-threaded tips are designed for secure attachment to test probes providing R&D engineers and electronics service technicians stable measurements for consistent test results. The leads are rated at IEC1010 1000 V CAT III for the probe alone, and the screw-on alligator clip Model 6723 is rated at 300 V CAT II with 10A current maximum. The leads are flexible with silicone insulation for better temperature performance over a wide temperature range, from 14°F to 221°F (-10°C to 100°C).
Portable spectrum analyzer
MS2711D: Covering the 100kHz to 3GHz frequency band, this spectrum analyzer features an input pre-amplifier (standard) and battery operation. Available options include transmission measurement for scalar analysis capability from 25MHz to 2.5GHz, a color display and a power meter. The unit weighs 4.9lbs. It includes a multilingual user interface, and can store 15 measurement test set-ups and 200 measurement traces with alphanumeric labeling and automatic time and date stamp. Measurements include channel power, adjacent-channel power ratio and occupied bandwidth measurements that can confirm the distortion level or channel power level of a transmitter. The unit can conduct a series of spurious measurements, while the field strength mode measures propagation and coverage, or pinpoints electromagnetic leakage in broadcast systems. Other features include trace averaging for more accurate noise measurements and a 50 ohm interface that is adaptable to 75 ohms. This unit includes data analysis software, soft carrying case, rechargeable/field-replaceable battery, ac/dc power supply and 12.5V automobile cigarette lighter adapter and a user's guide.
Digital audio generator
DAG5161: This hand-held, multi-channel digital and analog audio generator provides stereo, Dolby 5.1 surround, DTS 6.1 surround and PCM digital audio via AES/EBU and S/PDIF coaxial and toslink outputs. The unit performs eight automated tests, supports all digital and analog formats, captures performance data and provides test reports. The unit is battery-operated. Analog outputs include dual phono and stereo minijack. The unit measures 10-3/8"H x 6"W x 3-3/4"D and weighs about 3.5lbs. It operates on a 6V rechargeable battery. The LCD display measures 64 x 128 pixels.
Media production system
Nuendo 2.1: Supporting a range of editing tools over a network, on projects, audio and MIDI, this system allows users to connect multiple Nuendo workstation computers via standard LAN network cards. Complete management of access rights and user groups makes it easy to collaborate on large-scale projects. The entire project, or just selected tracks, can be opened on multiple computers for other members of the network to access and edit. Also added are many musical features such as a time warp tool for creating complex tempo maps right from the project window or any editor, a freeze function for VST instruments to improve CPU performance and improved handling of multiple audio or MIDI parts within the editors.
+49 40 210 330
fax +49 40 211 598
Symnnet Express and Express Cobra: The Express is available in three models, 12x4 4x12 and 8x8, and is targeted at stand-alone applications where a single DSP unit is sufficient to handle all of the processing between the source gear (all inputs are line- or microphone-selectable) and the amplifiers. Express Cobra is available in four models: 12x4, 4x12, 8x8 and 4x4. Along with analog I/O, each includes an 8x8 Cobranet license, supporting Peak Audio's protocol for networked digital audio. Via Cobranet these units can interface with each other, Symnet Audio Matrix systems using Symetrix Cobralink hardware or third party manufacturers supporting the protocol. An onboard Ethernet interface allows the Express unit to be mounted on a computer network (LAN) and accessed in real time from a remote location. Symetrix provides for the connection of a redundant 24V power supply on all Express models.
Powerclamp: Powerclamp surge suppressors eliminate the ac spikes and surges that can cause equipment failures and system unreliability in broadcast facilities. These units are useful at transmitter sites and studio installations. Their automatic waveform tracking clamps voltage spikes to within a few volts of nominal ac voltage. AC surges are eliminated before they can cause any damage. Powerclamp units are available in various sizes to suit most installations.
Digital monitor, switcher
DMS-III: This product accepts and automatically switches two AES signal sources when a digital error or analog silence are detected. Features include: automatic control function that switches to a backup source on failure of the main source; switch functions can be triggered by loss of clock, digital error flags, front panel transfer switch, external switch contact and the internal analog stereo silence sensor. Additional features: front panel error status and sample rate LED indicators; front panel headphone jack and level control; balanced stereo monitor output; remote control; removable screw terminals; plug and play installation; and dipswitch selection of precise time delay from two seconds to 85 minutes and restore timing delay from off to 10.2 minutes. The unit may sit on a desktop, mounted on a wall or up to three units mounted on the RA-1, Rack-Able mounting shelf.
DBX Professional Products
AFS224: With a DSP module, this processor provides control of fixed installations and live applications. Ten and 12 filter feedback elimination processors have become the de facto standard, but this dedicated feedback suppression processor offers 24 filters per channel with widths as narrow as
Upgrades and Updates
Burk Technology has released new firmware for the ARC-16 transmitter remote control system. Firmware version 5.6 offers faster baud rates for digital communication links, providing more responsive site-to-site communication, especially with multiple remote sites. Supporting 4800 and 9600 baud benefits the performance of the ARC-16 without requiring more than one T1 slot.
Audion Laboratories is now shipping Voxpro PC 3.3. Version 3.3 adds customer-requested features and functionality to the Voxpro PC broadcast recording and editing software system. The upgrade includes the ability to increase gain for selected audio for one or both tracks, a resizable interface from minimal to full screen, compatibility with virtually all sound cards, MP3 import and export of multiple files, and faster access to folders containing thousands of files.
Broadcast Electronics has released a software upgrade to its FXI digital FM exciter that makes it possible to calibrate audio levels within 1/10 of a decibel. The upgrade applies to the FXI60 and FXI250 models.
Dan Dugan has released an upgrade to the Model D and Model D-1 automatic mixing controllers. One type of connector, used for internal audio connections between the back panel and the circuit boards, has begun to be unreliable due to vibration and insufficient contact pressure. Dugan recommends replacing all these connectors with a higher-contact-pressure type as soon as possible. Dugan can provide this service and give a unit a complete factory check up for a fee. The upgrade can be done in the field.
Adding to their versatility, the Intelix 8002MCB-PHNX and 8002MCB-XLR mic/line mixers now feature upgraded 30Vdc phantom power. The 8×2 8002MCB features eight-channel, dual bus mic/line mixing, compression and limiting, actively balanced inputs and outputs, a dual-function LED VU meter, phantom power, a headphone out and either XLR or Phoenix-style connectors depending on model.
Acceptable Use Policy blog comments powered by Disqus
[an error occurred while processing this directive]
Today in Radio History
The history of radio broadcasting extends beyond the work of a few famous inventors.
EAS Information More on EAS
The feed provides feeds for all US states and territories.
Need a calendar for your computer desktop? Use one of ours.
Information from manufacturers and associations about industry news, products, technology and business announcements.
When Northern Community Radio set out to build a new community radio station in rural northern Minnesota 38 years ago, naysayers said that it would be broadcasting “only to a bunch of gophers
Browse Back Issues[an error occurred while processing this directive]
Also in the July Issue
- Trends in Technology: Robust IP STL
- LPFM on The March
- RF Engineering: Modern Modulation Techniques
- Field Report: Tascam TH-2000 Headphones
- Battery Maintenance: Testing and Charging