User manual FURMAN HA6AB

[. . . ] HA-6AB / HA-6ABE Manual 1 HA-6AB / HA-6ABE Manual Important Note: To obtain best results from this Furman Sound electronic product, please be sure to read this manual carefully before using it. Please fill out and return the Warranty Registration Card immediately to obtain full protection under the terms of the Limited Warranty, in case your ownership documents are lost. Please verify that the serial number shown on the Warranty Card matches the serial number on your unit. INTRODUCTION Congratulations on your purchase of a Furman Sound HA-6AB. You have chosen the Automatically switches to mono most versatile headphone amplifier available. [. . . ] connects the first HR-2 box to the second HR-2 The main consideration in locating the HA-6AB is box; a third mic cable connects the second HR-2 whether each musician will need easy access to to the third HR-2; and so on. If the musicians are headphones are used, up to twelve HR-2's may spread around a large room, the use of a chain of be in the chain. If medium or high impedance HR-2 Remote Stations may be more convenient headphones are used, 25 or more Remote Stathan having each pair of headphones plug directly tions may be chained. HR-2 box may be hung on a belt if no microphone LANGUAGE LABS stand is convenient. Language labs occasionally need to drive as many as 50 headphone sets. If more than twenty five sets are required, they must be high-impedance types. HR-2 Remote Stations provide a convenient way to place a volume control at each listening position (two listeners can share each box). 5 HA-6AB / HA-6ABE Manual DESCRIPTION OF CONTROLS: FRONT PANEL INPUT LEVEL: The Input Level control provides a means of scaling the effect of the individual headphone volume controls. The Input Level should be adjusted so that there is an adequate range of volumes available at each listening position, so that any listener can be accommodated, and the average listener's volume will be set at about halfway. The Input Level control is stereo; it affects both left and right channels simultaneously. triggered, the lights will stay lit for a minimum of 50 milliseconds so they can be easily seen, even if the actual duration of the overload is much shorter. HEADPHONE JACKS / VOLUME CONTROLS: Any type of headphones, wired with a standard 1/4" stereo phone plug, may be used successfully. They differ only in the individual volume settings. SPEAKER-A BUTTON: Depressing this button turns on the speakers connected to the SIGNAL PRESENT LIGHTS: These yellow LED's SPEAKER-A banana jacks on the rear panel, and turn on whenever a signal exceeding 125 mil- simultaneously turns off the signal to all the front livolts RMS (40 dB below full power) is present panel headphone outputs. They will increase in SPEAKER-B BUTTON: Depressing this button brightness as the signal strength increases. This turns on whatever is plugged into the SPEAKERfeature is very useful and can provide a clue to B SATELLITE/REMOTE XLR connector on the where the fault may lie if the expected program rear panel. This will be either a pair of speakers is not heard at the listening stations. Therefore, OVERLOAD LIGHTS: These LED's glow red to indicate an overload in the HA-6AB. If the LED lights up, either the drive level to the unit should be reduced, or the setting of the Input Level control should be reduced until the LED remains off. The lights turn on when the signal level at either output approaches . 5 to 1 dB of clipping. POWER LIGHT: Glows red when unit is receiving power and the ON-OFF SWITCH is in the ON position. 6 HA-6AB / HA-6ABE Manual REAR PANEL ON-OFF SWITCH: This switch turns the HA-6AB on and off. For convenience, it is recommended that the HA-6AB and any other rack-mount equipment be powered through a switchable outlet box, such as the Furman Sound PL-8 or PL-PLUS Power Conditioner and Light Module. The PL Series provides an easy way to power up the whole rack with one front-panel switch, and provides discreet illumination on dark stages and studios as well. Microphones and/or instrument pickups may not have strong enough outputs to drive the 120 VAC ON 50/60 Hz 130 Watts OFF LIFT LEFT RIGHT RISK OF ELECTRIC SHOCK. [. . . ] Return shipping charges back to Purchaser will be paid by Manufacturer. THE FOREGOING IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Manufacturer does not warrant against damages or defects arising out of improper or abnormal use of handling of the Product; against defects or damages arising from improper installation, against defects in products or components not manufactured by Manufacturer, or against damages resulting from such non-Manufacturer made products or components. This warranty shall be cancelable by Manufacturer at its sole discretion if the product is modified in any way without written authorization from Furman Sound. [. . . ]