ATI Technologies HDA100 Instrucciones de funcionamiento

ATI Audio Inc.

 Tel: 856-719-9900



sales@atiaudio.com

www.

audio.com

HDA100 and HDA100-

BAT

STEREO HEADPHONE AMPLIFIER

OPERATING AND MAINTENANCE MANUAL

Model HDA100-BAT

Model HDA100

ATI Audio Inc.

 Tel: 856-719-9900



sales@atiaudio.com

www.

audio.com

Description

The HDA100 is a rugged, battery or AC powered headphone amplifier that will

provide excellent performance driving a wide range of typical stereo headphones.

It will drive the usual 32 to 600 ohm high efficiency stereo headphones to teeth

rattling levels around 120dB SPL with a combination of high output voltage swing

(16Vp-p) for high impedance phones and a protected high current capability

(0.2Ap-p) for low impedance phones. It will do the above at distortion levels

below .10% and response flat to -.25dB measured over the full frequency range

of 20Hz to 20kHz.

The HDA100 will bridge (40Kohms) both balanced and unbalanced input lines

with individual left and right XLR input jacks. Connect balanced inputs HI to XLR

pin 2, or TRS-TIP and LO to XLR pin3 or TRS-RING, Shields go to XLR pin 1 or

TRS-TIP and with the cable shield to XLR pin 1 or TRS-SHLD. Be careful to

observe HI-LO input polarity to avoid monaural or center stage cancellation

effects. The unused TRS or XLR connector pair may be used to loop through the

input signal to additional HDA100 units. The wiring to the rear panel TRS

connectors is not the same as the wiring for the stereo headphone jack/plug on

the front panel.

The HDA100 is shipped setup for +4dBu nominal input level (+24dBu peak). An

internal jumper plug P1 may be moved for additional input gain to accommodate

RCA jack levels at –10dBu (.25V) nominal (+12dBu peak). To change P1,

remove the top cover by removing the four upper Phillips head screws (two on

each side). P1 is located on the PC board directly behind the volume control and

has two positions. For –10dBu inputs move the plug toward the front. For +4dBu

inputs move the plug toward the rear. Ensure that no internal wiring is caught or

pinched, and replace the cover and screws.

The HDA100 will provide a comfortable listening level of 1mW at around 12

o’clock on the volume control for most headsets. The amplifier is capable of

driving many headsets to dangerous levels over 120dB SPL. If you can hear

distortion, it’s TOO LOUD! Levels near 120dB SPL can easily cause

PERMANENT HEARING DAMAGE.

The HDA100 is powered by 24VDC from an external power module such as the

WA100-1. The DC power connector is center pin negative, sleeve position with a

2.1 mm center pin and a 5.5mm outer sleeve. Two HDA100 can share one

WA100-1 with accessory DC loop-thru cable 20602-1. For universal operation

from 90-264VAC mains, specify Wall Mount Power Supply WA100-2.

Model HDA100-BAT requires the use of two 9V Alkaline or Lithium batteries

which are inserted in the unit’s top cover.

ATI Audio Inc.

 Tel: 856-719-9900



sales@atiaudio.com

www.

audio.com

SPECIFICATIONS

OUTPUT 120dB SPL driving typical 32 to 600 ohm headphones;

provides 16V p-p for high impedance headphones and

up to 0.2A p-p to low impedance headphones

INPUT +4 or -10dBu nominal level (internal jumper plug

selection) for 1mW output; +24dBu maximum input

level, 40Kohm balanced input impedance

DISTORTION .1% maximum THD, 20Hz to 20kHz, below clipping

RESPONSE +0/-.25dB 20Hz to 20kHz

NOISE -94dBm E.I.N., 20kHz measurement bandwidth

CONNECTORS Input: ¼-inch TRS jacks and XLR connectors

Output: ¼-inch TRS stereo jack

Power: Cylindrical 5.5mm OD, 2.1mm 1D, pin negative

POWER 24VDC nominal at up to .2A from 115VAC external

power supply, WA100-1 (included). Specify

WA100-2-EXCH for operation from 90-264VAC.

Model HDA100-BAT can be powered by two 9V

batteries installed in top cover.

SIZE 1.72” (4.4cm) H X 5.75” (14.6cm) W X 6.0” (15.2cm) D

NET WEIGHT 1.5 lbs. (0.7kg); 3 lbs. (1.4kg) Shipping Weight

POWER SUPPLIES

WA100-1 Wall mount power supply (UL, CSA), 24VDC @ .4

Amp, 115 VAC/60 Hz supplied as standard

WA100-2-EXCH Universal wall mount power supply with

interchangeable AC mains connectors, 24VDC @ .4

amp, 90-264VAC, 47-63 Hz (optional exchange for

WA100-1

WARRANTY Limited, One Year Warranty

ATI Audio Inc.

 Tel: 856-719-9900



sales@atiaudio.com

www.

audio.com

One Year Limited Warranty

ATI warrants this product to be free from defects in materials and workmanship to its original

owner for a period of one year from date of purchase. ATI will repair or replace such product or

part thereof, which upon inspection by ATI, is found to be defective in materials or workmanship.

The Proper Return Authorization Number must be obtained from ATI in advance of return.

Contact ATI at 856-626-3480 or email sales@atiaudio.com to receive the number and

instructions for return of your unit.

A written statement providing the name, address, daytime telephone number and email address

of the original owner, together with receipt from the original purchase, and a brief description of

any claimed defects, must accompany all returns. Parts or product for which replacement is made

shall become the property of ATI.

The customer shall be responsible for costs of transportation and insurance to the factory of ATI,

and shall be required to prepay such costs.

ATI shall use reasonable efforts to repair or replace any product covered by this limited warranty

within thirty days of receipt. In the event repair or replacement shall require more than thirty days,

ATI shall notify the customer accordingly. ATI reserves the right to replace any product that has

been discontinued from its product line with a new product of comparable value and function.

This warranty shall be void in the event a covered product has been damaged, or failure is

caused by or attributable to acts of God, abuse, accident, misuse, improper or abnormal usage,

failure to follow instructions, improper installation or maintenance, alteration, or lightning, power

fluctuations and other incidental or environmental conditions. Further, product malfunction or

deterioration due to normal wear is not covered by this warranty.

ATI DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WHETHER OF

MERCHANTABILITY OF FITNESS FOR A PARTICULAR USE, EXCEPT AS EXPRESSLY SET

FORTH HEREIN. THE SOLE OBLIGATION OF ATI UNDER THIS LIMITED WARRANTY SHALL

BE TO REPAIR OR REPLACE THE COVERED PRODUCT, IN ACCORDANCE WITH THE

TERMS SET FORTH HEREIN. ATI EXPRESSLY DISCLAIMS ANY LOST PROFITS, GENERAL,

SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES WHICH MAY RESULT FROM

BREACH OF ANY WARRANTY, OR ARISING OUT OF THE USE OR INABILITY TO USE ANY

ATI PRODUCT.

Some states do not allow the exclusion or limitation of incidental or consequential damages or

limitation on how long an implied warranty lasts, so the above limitations and exclusions may not

apply to you.

This warranty gives you specific legal rights, and you may also have other rights that vary from

state to state.

ATI reserves the right to modify or discontinue, without prior notice to you, any model or style

product.

If warranty problems arise, or if you need assistance in using your product contact us.

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