Nady Audio HAM-4 Owner's Manual

Contents

controls and connections

Nady Audio HAM-4 Owner's Manual Manual pdf 2 page image

d thanks for purchasing the HAM-4 headphones amplifier. This unique unit will provide years ofd is loaded with useful features.ct for most studio recording, live rehearsals, and field recording applicationss of stereo headphone monitoring with individual level controlsfor widest dynamic range, with lowest noise and distortionnput can be driven by any line level or headphone amp outputassis for long-life reliabilitytionSpecificationsInput Impedance .................................................................................................................................... 100K OhmsOutput Impedance .................................................................................................................................... 100 OhmsSensitivity ................................................................................................. Variable -107 to +19dBu for rated outputMaximum Input Level .................................................................................................................................. +19dBVMaximum Gain .................................................................................................................................... 20dB/channelS/N Ratio .......................................................................................................................................................... >90dBFrequency Response ........................................................................................................... 20Hz to 20KHz, +/-3dBTHD .............................................................................................................................................................. <0.005%Maximum Output Power ................................................................................................................ 570mW/channelPower Requirements ....................................................................................................................... 18 VDC, 200mADimensions ....................................................................................... 4.8" x 4.05" x 2" (124 mm x 103 mm x 51 mm)Weight ............................................................................................................................................. 0.88 lbs. (.40 kg)and Connections(3) (1)(2)(4)(1) POWER INPUTPlease use provided 18V AC/DC power adapter only. The unit is turned on immediately when the power is applied.(2) POWER ON INDICATORThis LED lights whenever the unit is on.(3) HEADPHONE OUTPUTSFour stereo 1/4" Headphone outputs.(4) LEVEL CONTROLSAdjusts the volume of each corresponding headphone output.(5) INPUT1/4" TRS stereo jack for line/headphone level stereo signals.Note: A 1/4" TS plug, inserted halfway into the jack, will produce stereo output signals.Caution: To prevent possible damage to your headphones or your hearing, make sure to turn down all levelcontrols before connecting headphones, powering on the unit, or applying an input signal with headphonesalready connected.Warning: This product, in combination with headphones, may be capable of producing sound levels that couldcause permanent hearing loss. Do not operate for a long period of time at a high volume level or at a level that isuncomfortable. If you experience any hearing loss or ringing in the ears, you should consult an audiologist.(5)3/3/04, 4:44 PM2

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