Ten-Tec_2591_review_1984.pdf

《Ten-Tec_2591_review_1984.pdf》由会员分享，可在线阅读，更多相关《Ten-Tec_2591_review_1984.pdf（2页珍藏版）》请在收音机爱好者资料库上搜索。

1、o 0 -, oBY DAVEINGRAM-, K4TWJ TheTen-Tee2591 2MeterTalkie #hatsthis? An American-made 2 meter talkiechallenging the Imports? Indeed so. and thenewTen-Tee 2591 is a littlegemthats loadedwithuseful features.Itssmall and lightweight,irsattractiveandserviceable. andIISeasytooperatealmostanyume or any- w

2、here.EveryparI01ttnsuMisUS.manufac- tured. anditcernesTenTeeswen-known one-yearwarranty.1/youveever heard any- one talk about a Ten-Teeproblem.youprob- ablyknowtheirserviceis second to none.That consideration is reassuring whenyourelook- Ing rcr your talkIeandithitsthe ground witha noneroccsthud.or

3、wtlen you need a caseor unusualparireplacement atsome later date. WeIghinginat slightly less thanonepound, Ihe Ten-Tee talkie is 6.67 inches highby2.6 inches wide by 1.6 inches thick,Combine lhosespecswith a switchselectable r.1. out- put ot 2.5 or0.3watts.and you have a unit small enough to litcomf

4、ortablyin yourhand yetpowerful enough to provide reliable 2 me- tercommunications. The talkie is supplied with a rubber-ducky antenna, 14-hour wall charger, NiCadbattery pack. belt clip (with mating screws), plus plugs for an external mike and speaker. The complete packagetru- ly addsnew enjoyment 1

5、 0onesv.h.t.activi- lies.Ifyoureone01 thetewamateurswho hasnt yetexperiencedtne fun012 meter f.m via a hand-held talkie (or if youre lookinglora super new bells and whistles unit), Ten- tees2591 is an ideal way to join the action. Initial inspection0 the 2591lalkie reveals a smoothly constructed and

6、 light-filting case with a well-balancedeelThe talkiestrent and rearcovers are completely flat without any protrusions10catchoncoat pockets (a truebrick).Theunits traditionallayout is complementedbya middle-locatedciearcias- tic windowwhichcoversthe LCD frequency readout. and asmall pushbutton that

7、activates twosmalllampsdirectly behind thedisplay for easynight viewing. A redLEDbeside the dis- play illuminates during transmit and flashes in- termittently when the 8.4 volt 450maHNiCad batterypack needsrecharging. Thatleatureis a definite pluswhen using the talkie while wearing sunglasses (wtllc

8、h slightly attenuate cootmuouslightfroma red LED). The battery pack slideson/oilthe talkiesbottomsection and is equipped with awall chargerjack, charge-mOOltormg LED, and reeessed screw terminals formatingwiththe Ten-Tee 2992 drop-incharger, There are top-panel SWItches for transmit- teroffset. scan

9、nerhOldor sklp(camer-operat- eoorurne-ecwerecSQuelch), keyboard lock. Eastwood Village No.1201So.,Rt.11,Box 499.Birmingham,AL35210 46COFebruary1984 1. .0- The Ten-Tee2591 2meterfalkieislightweight. powerful.andloadedwithspecialfeatures. and highorlowpoweroutput. There are also jacksforanexternal ear

10、phone and/or micro- phone on the panel. ACloserLook Thereo-teetalkiecovers143 50010 148.995MHzintrcnt-panet.serectedsteps0 5,10, 15, 25, or 30 kHz. There are 10program- mable memories whichstoreboth theocerat- ing frequency andtransmittercuset.The tenthmemory canbeused for oddball splits. Memoryback

11、upduringottperiodsdraws lessthan 75microampsfromIhe battery pack. and a capacity storage setupaeowsaoseccoo battery-packswapsWIthoutlOSingmemones (weve triedmat.anditworks great). Band scanning andmemory scanning are also In- cluded(alongwith somenewanduniqcefea- tures whichwill be detailedpresently

12、), and the front keypad functions as a two-to-e auto- patch encoderduringtransmit. Technically speaking. the lalkleemploys a dual-conversionreceiverwilh the popular 10.7and0.455MHz i f.s.The sensitivity 010.4 uvfor20dBQuietingismore than adequate, andintermodrejectionISsurpflSlnglygood. Thetransmitt

13、er emplOys a popularvaocac modulationscheme.WIthconventional circuit- ryandMotorolasonc-stateoevicesbeing used in most stages. Indeed, theuoesblock dia- gramandscnernencare easy10seeandun- derstand wilhinacouple01rmoutes.Nice!oe- eratcowse.tnetransrwtter:shigh-power cur- rent dram of nearly 700 ma a

14、nd average re- ceiver drain of 120 rna yield comparatively OOgoperatingperiodsbetweenbattery charges. An extremely heavyhoursuse,101 example,rruqhtbevisualized andcompared withotnerlalkies as follows, Fifteenmmutes totaltransmillingtime equalscoe-ouenerof 700, or 175maoThirtyminutes receiveume equal

15、s roughlyore-nan01160. or80maoFif- teen minutes SQuelchedlime equals approxi- matelyone-quarter of 25, or 7 rna, The total drain of262maonly depletedtnebatterypack 10slightly less than halfcharge-arote- worthy consideration foremergencyopera- ucos.Fallhfullycarrying a talkiesuchasttus might truly pr

16、ove itsworthat some unex- pected lime. BellsandWhistles This little unit iscrock-tunofusetcr reatures and frills, manyof which arekeyboard activatecl with a simple one-two punch. Either manual or automatic band scanning isprovided in5, 10, 15. 25, or30kHz steps. Upper and lower scan limits are also

17、programmable (enter the lower frequency, tapF,LWR. enter the upper frequen- cy, tapF,UPR, then hitFandPS), and the units tenmemories should prove more than ade- quatelorstonnqlocated frequencies of in terest.Since the talkie recognizes only pro- grammed memories, it is easily adapted and changed acc

18、ording to ones needs. One of theunitsmostimpressiveanduse- Iulfeatures is itsmemory-lockoutcapability. Assuming one desires tocheckarea activity when one or two repeatersarebusy with long winded conversations. those frequencies can be locked out bypunchingFtwiceand then tappingMS(memoryscan). Theroc

19、keo-out memories canberecalled whendesired by tap. pingF,9(lock clear), and MS. Individualmemo- riescanbeseparately recalledby pressing MR (memory recall) and the desired number.Tms is the lirst lalkie with that feature OperatingtheTenTeeTalkie On-the-airactivity with the2591is atruece- lighl,andthe

20、talkiesbellsand whistlesare Quite useful.Thecapability 01stonnq repeater frequenciesandtheirrransrrattercttsetsin somememoriesanddirect frequencies in omermemories is superb, andthereare usu- allysomeleftovermemorieswhichcanbepro- grammedfor listeningonrepeater inputs Any 01those frequenciescaneasil

21、ybelockedout for regular scanneroperations, yet they can instantlybechecked by tapping MR and their relatedmemorynumber. SCanning any par- tonof the band beginning with any frequency recalled frommemory canbeaccomplished merelybypushingIhekeypadsUPRorLWR SayYouSawItInCa - teoe1-BasiCsoecnceuons for

22、theTen-Tee25912meter la/kie. Tranlmithlr R.f. Output Power: Hi-2.5 watts. Lo-300mw. Modulation: Variablereactancecuectmodulation Frequency Deviation:5 kHz Spurious Radiation: Morethan60oabelowcarrier Microphone: Built-in condenser type Current Drain: Hi power-less than 700 rna. Lopower-less than 375

23、 rna Memory Drain: Lessman15 ua Recetver Circuit Type: Double conversion superheterodyne IntermediateFrequencies: 10.7 MHz, 455 kHz Sensitivity: Better than .5 uV for 20 dB quieting: squelch less than.4uV Selectivity: More than7.5 kHz-6dB, less than15 kHz-60dB Spurious Response: Better lhan 50 dB Au

24、dio Output: 325mw8ohms Current Drain:Souetctiec-25 ma,maximumaudio - 175 ma Gen.rar Frequency Range 143.5-148.995 MHz Channel Steps: 5.10.15,25or 30 kHz Memories: 10 Non-standard Split: One Emissioo Type: F3 Voltage Requirement: 8.4Ide. 450maH (NiCad batterypack) Antenna Impedance: 50 ohms unbalance

25、d-BNC typeconnector cesesfzee.eteux2,SWx1.60 Weight: 17.5 ounces with batterypack complete and very understandable, Ten-Tee alsoincludeswith each unit a singlepocket referencesheet of condensed operating in- structions. Using that guide anewowner can havethetalkie buzzing like a nimble sportscar wit

26、hin acouple 01minutes. Bothreceive and transmit audiootmeTen- Tee2591 aregoodwithveryslighltymore highfrequency response orarticulationthan some talkies(weveusedandcomparedthem all).Autopalchdialing from the talkie is also trouble-tree and enjoyable, The squelch ac- lion is positive andsnare.notsnee

27、zy sound- ing- like some units. Cheeking the unit from ouriccer-mterrroc alley (which on many talkies sounds like a cross between aNewYears Eveparlyand a 20 meter pileup) revealed a noticeably quieter and well-designed receiver section, Conclusion Thelen-Tee2591 talkie seems tobea tre- mendous lilli

28、e unit containing almost every operating feature onecould visualizeorwant. The fact thatitstnefirst American-made lalkie and that the company is readily avail- able for servicegenerates considerable inter- estwhenirs usedonthe air. The talkie is sup- portedby a variely of related accessories, in- cl

29、uding the Model 2202 learnercase, 2201 suoaucrotetoneencoder, 2425 25-waU power amplifier, 2700 speaker/mike, 2991 exira450 maH battery pack, 2992 5-hour drop-inCharg er. 2993 tz-vonc.c.adapter pack, and 2994 extraa.c.wall charger. What else could one desire? Formoreinformalion on the Ten-Tee 2591 2

30、meter I.m. talkie, contact Ten Tee, Inc.,Se- vierville. Tennessee 37862. ton. Pleasedontassumethat this talkie is dif- ficulttooperate. Isnt.Immerely detailing specific keystrokes for bells and whistles enthusiasts. While thetalkiessupplied manual is quite bullonswhile tappingMR, and thatmemorys number returnstothe originally storedfre- quency.likewise. switching the talkietoscan- ning itsprogrammedmemoriescaneasilybe accomplished anytime by tapping theMSbul-