Drake r4b manual

Egg, i reexamined the manual you posted and noticed it is for anr4c. The drake model r4b is a double conversion superheterodyne re. This manual is presented in 5 chapters and is ar ranged for the convenience of the operator and service technician as follows. Scott drake manual transmission rebuild kits free shipping. Cover contents page 1 page 2 page 3 specifications. Jun 15, 2019 share drake r4b manual share this link with your friends, publish within popular social networks or send it via email. Aug 28, 2019 drake r4b manual related links we thought you might also be interested in these additional web sites, selected from the same category. Drake r4b amateur receiver, drake r4b universal radio. Perfornance is virtually the same in all three as they all use the same front ends. This link is listed in our web site directory since monday nov 18 20, and till today drake r4b manual has been followed for a total of 380 times. I am working on a drake r4b that i bought in dayton this year. Today i decided to read the operations part of the manual and see if i am doing something. The 2bq multiplier to me is a nice thing to have maybe im just nostalgic, but if youre a cw guy it makes the 3 and 6 db peaking filters on modern rigs look whimpy. The pro cedure is given in section iv of this manual.

Do not be tricked into paying for a manual that is available here for free. Be prepared and able to communicate in case of emergency with the largest selection at. Drake company produced the r4b as a refinement of their previous popular r4 and r4a models. Old drake shortwave receiver and transmitter in excellent shape. You should hear each if frequency in the general coverage receiver.

At 15 volts the highest i can get my meter to go is s20. First try to have your r4b at its original specifications. If anything, the r4a might have better audio than the r4b. Like many hams i have always tried to have a unit with the latest advances. The schematic for the r4b does show a gnd connection at the back but it is easy to overlook.

Drake enthusiasts generally prefer the b series receiver. These are great receivers and i like to listen to the r4b as much as i like to listen to my 756pro. This link is listed in our web site directory since monday nov 11 20, and till today drake r4 manual has been followed for a total of 258 times. Drake, drake ham radio, drake radio, drake tr7, drake tr7, drake tr4, drake mn2700, drale l4b, drake l7, drake manual, drake rv4. Visit us online for more information or to download owners manuals today. About drake r4 manual the resource is currently listed in in a single category.

But an r4b was my favorite swl and ham am receiver of the drakes. For example, the 40 meter range uses an i have cycled the vfocrystal switch several times, hopefully dgake oxidation has been dealt with greg ve3gph. About drake r4b manual the resource is currently listed in in a single category. Drake radio communication manuals for sale in stock ebay. Low tx output in transceive this may also show up as low er sensitivity of the receiver when transceived with the transmitter b and c series.

Feb 28, 2021 there is a drake mod to add a 160 to the 2b that works well enough. I am now accepting new manuals for inclusion in this archive. One of the key features of this receiver is the use of a linear, permeabilitytuned local oscillator that provides fairly good dial calibration to the nearest kilohertz and can be guesstimated closer than that. Provision is made in the r4b for adjusting the notch filter for optimum performance. Item case is in excellent shape, no scratches or dents. Unlike the r4b, the r4a continues to drift a little no matter how long it is on. But as i first grew up in ham radio i fell in love with 6 meters. Antique radio forums view topic ground on drake r4b. Manual consists of sections general description, installation, control functions, operation, operation, servicing.

All manuals are copies and are madetoorder unless otherwise noted. This link is listed in our web site directory since monday nov 18and till today drake r4b manual drame has been followed manuual a total of times. I replaced every tube in the receiver except the first rf amp. Drake r4c owners manual professional reproduction color printing with clear plastic covers for better durability includes full size fold out schematic. Drake r4b instruction manual pdf download manualslib. The drake model r4b is a double conversion superheterodyne re designed for optimum reception of all ceiver, with preselector, it gives complete cover types of amateur radio communica as well as the por and 15 meter bands, age of the 80, 40, 20, addi t ional t ion of the 10 meter band from 28.

Set the trimmer nb threshold as described in the r4 manual turn until the nb attenuates the signal. Drake manuals welcome to surplus sales of nebraska. Im more familiar with the r4b but take a look at the manual to see if you can perform any of the alignment steps and to at least narrow the problem down. Drake r4c instruction manual pdf download manualslib. It is also possible to increase the first mixer gain by reducing the resistance of the cathode resistor from 2. All frequencies 305 to 30 mhz may be covered with some re alteration of the input circuit. Chapter i chapter ii chapter iii chapter iv chapter v introduction self explanatory. A drake r4b and 6 meter receiving converter were the heart of my station. The main category is drake r4b reciever that is about drake r4b receiver. Drake ham radio for sale in uk 39 used drake ham radios. Second, put a 100 nf capacitor in parallel to r19, cathode resistor of v4, this will increase the gain and the effectiveness of the avc. The drake r4 and r4b are essentially the same, with the r4b having a few solid state components in it. Save drake receiver to get email alerts and updates on your ebay feed. Spare parts list and prices 1986 tvi fix modification.

Drake r4b ham radio receiver and instruction manual. I compared it to the r4b manual i was using the r4b manual does not have a section 2. The injection cable in the drake twins should be a low capacitance cable. Back to drake next receiver last modified 20170814 drake r4b specifications. View and download drake r4b instruction manual online. Share drake r4b manual share this link with your friends, publish within popular social networks or send it via email. The l4b uses two 3500z or two 88023500z or two 8163 or two 3400z zero bias. Do not be tricked into paying for a manual that is. When you buy an r4b, there is not much else to get everything is there that you need noise blanker, calibrator and 4 selectivity settings. The b series has built in a number of items that were options on the r4c. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff.

These manuals are available for download and free of charge. Spare parts list and prices 1986 modification kits. This page uses frames, but your browser doesnt support them. Drake, drake ham radio, drake radio, drake tr7, drake tr7. At least in the case of the r4b all drake required for alignment tools was a couple of resistor capacitor loading jumpers that you can cobble together with easy to find parts and a vtvm or. Scott drake c5zz7005 r4b scott drake manual transmission master rebuild kits manual transmission rebuild kit, master, ford, borg warner t10, kit part number. The r l drake model l4b linear amplifier offers continuous 2000 watts pep ssb, and watt dc, c w, am and rtty operation covering the ham bands 80 through 10 meters. If you have some stuff that not is listed here you can donate this by contact mods. Drake r4 b instruction manual voltage measurements are critical and all electrolytic caps drkae be replaced, but may i suggest a few things to try first which may help isolate the problem s. View and download drake r4c instruction manual online.