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Summary of Contents for Nady Audio HPA-8
- Page 1 HPA-8 8 Channel Headphone Amplifier Owner’s Manual...
- Page 2 Congratulations on your choice of headphone amplifier, you.have.purchased.one.of.the.finest.stereo. Thanks for selecting NADY AUDIO as your choice in headphone.amplifiers.on.the.market.today..This.unit.was. headphone amplifier. Features • 8.stereo.headphone.channels.in.a.convenient.single.rack. audio.with.maximum.headroom.even.at.high.headphone. package.–.enables.multiple.signal.distribution.options.for. volume.levels monitoring flexibility • Three.balanced,.line-level.input.channels.with.capacity.to.
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Page 3: Warning
Warning When.using.this.electronic.device,.basic.precautions.should. The.power.supply.cord.should:.(1).be.undamaged, () never. always.be.taken,.including.the.following: share.an.outlet.or.extension.cord.with.other.devices.so.that. Read.all.instructions.before.using.the.product. the.outlet’s.or.extension.cord’s.power.rating.is.exceeded,. Do.not.use.this.product.near.water.(e.g.,.near.a.bathtub,. and.(3).never.be.left.plugged.into.the.outlet.when.not.being. washbowl,.kitchen.sink,.in.a.wet.basement,.or.near.a. used.for.a.long.period.of.time. swimming.pool,.etc.). Care.should.be.taken.so.that.objects.do.not.fall.into,.and. This.product.should.be.used.only.with.a.cart.or.stand.that. liquids.are.not.spilled.through,.the.enclosure’s.openings. will.keep.it.level.and.stable.and.prevent.wobbling. The product should be serviced by qualified service This.product,.in.combination.with.headphones.or.speakers,. personnel.if: may.be.capable.of.producing.sound.levels.that.could. The.power.supply.cord.or.the.plug.has.been.damaged. cause.permanent.hearing.loss..Do.not.operate.for.a.long. Objects.have.fallen.into,.or.liquid.has.been.spilled.onto. period.of.time.at.a.high.volume.level.or.at.a.level.that.is. the.product. uncomfortable..If.you.experience.any.hearing.loss.or.ringing. The.product.has.been.exposed.to.rain. in.the.ears,.you.should.consult.an.audiologist. The.product.does.not.appear.to.operate.normally.or. The.product.should.be.positioned.so.that.proper.ventilation.is. exhibits.a.marked.change.in.performance. maintained. -
Page 4: Installation
Nady Systems is not responsible for shipping damage. If the unit is damaged, do not return to us, but notify your dealer and the shipping company immediately to make a claim. Such claims must be made by the consignee in a timely manner.) CONTENTS •... -
Page 5: Panel Connections, Controls And Indicators
Panel Connections, Controls & Indicators FRONT PANEL REAR PANEL (1) STEREO TRS HEADPHONE OUTPUT JACKS (4) BALANCED LINE INPUTS There.are.eight.stereo.headphone.outputs.located.on.the.front. There.are.3.sets.of.balanced-line.stereo.inputs..These.are.labeled. panel..All.eight.outputs.can.be.used.simultaneously.in.a.number. “A”.“B”.and.“C”... of.configurations.detailed.below. (5) MONO/STEREO SWITCHES () VOLUME CONTROLS Each.set.of.inputs.has.a.Mono/Stereo.pushbutton.select.switch.. Each.output.channel.features.a.rotary.volume.pot.for.variable. Note.that.the.“L/Mono”.input.should.be.used.in.Mono.Mode. adjustment.of.the.desired.output.level. (6) AC VOLTAGE SELECTOR SWITCH (3) POWER SWITCH WITH LED INDICATOR Before.plugging.in.the.power.cord,.check.to.see.that.the.unit.is. -
Page 6: Using The Hpa-8
To use the HPA-8 in 1-4 / 5-8 mode Connect.a.stereo.or.mono.source.to.A.input-set,.then.connect. a.2nd.stereo.or.mono.source.to.the.B.input-set..This.distributes. source.B.to.be.to.headphone.outputs.5-8,.while.source.A.is. distributed.to.headphone.outputs.1-4. To use the HPA-8 in 1-6 / 7-8 mode Connect.a.stereo.or.mono.source.to.A.input-set,.then.connect. a.2nd.stereo.or.mono.source.to.the.C.input-set..This.distributes. source.C.to.headphone.outputs.7-8,.while.source.A.is.distributed. to.headphone.outputs.1-6. To use the HPA-8 in 1-4 / 5-6 / 7-8 mode Connect.a.stereo.or.mono.source.to.A.input-set,.connect.a. 2nd.stereo.or.mono.source.to.the.B.input-set,.then.connect. a.3rd.stereo.or.mono.source.to.C..This.distributes.source.C. to.headphone.outputs.7-8,.while.source.B.is.distributed.to. headphone.outputs.5-6.and.source.A.is.distributed.to.headphone. outputs.1-4. Mono/ Stereo operation In.any.In/Out.configuration,.it.may.be.desirable.to.use.the.unit.with. mono.program.source(s)..This.is.made.possible.by.the.addition.of. -
Page 7: Specifications
Specifications AUDIO INPUTS Connectors........1/4”.jack Type..........Balanced Impedance........40KΩ Peak.input.level......+25dBu HEADPHONE POWER AMPLIFIER OUTPUTS Max...output.power......100mW@32Ω DISTORTION, FREQUENCY RESPONSE, S/N RATIO & CROSSTALK Distortion........<0.02% Frequency.response......20Hz~20kHz,.+/-2dB S/N.Ratio........Better.than.80dB Cross.talk.rejection......>68dB@1kHz;.20dB.input FUNCTION CONTROLS Volume..........Per.channel,.variable Mono/Stereo.Switch......Per.input.set POWER SUPPLY AC.requirements......Selectable,.100-120.VAC,............200-240V.AC,.50-60.Hz Fuse..........100-120.VAC:.500mA. (slow-blow) ............200-240.VAC:.250.mA. - Page 8 Service For Your NADY AUDIO Product (U.S.) Should.your.NADY.AUDIO.product.require.service,.please.contact.the.NADY.Service.Department.via.telephone. at.(510) 65-411,.or.e-mail.at.service@nady.com. (International) For.service,.please.contact.the.NADY.AUDIO.distributor.in.your.country.through.the.dealer.from.whom. you.purchased.this.product. Do not attempt to service this unit yourself as it can be dangerous and will also void the warranty. NADY SYSTEMS, INC. 6701.Shellmound.Street,.. Emeryville,.CA.94608 Tel:.510.652.2411./Fax:.510.652.5075. www.nady.com...
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