View and download drake r4b instruction manual online. R4c but im just not finding the differences between the original r4 vs. Manuals online from bama download many drake manuals free. If you are a new customer, your efile password was included in the email confirming your purchase. Service manuals, schematics, eproms for electrical technicians. About drake r4b manual the resource is currently listed in in a single category. 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. Drake company produced the r4b as a refinement of their previous popular r4 and r4a models. Daniel, w6spc, has a great idea for replacing electrolytic filter capacitors on the drake r4b receiver especially pertinent now that drake is phasing out servicing for its older gear and parts are becoming less availableed. So far no one has rated yet, so be the first to rate this link. The b series has built in a number of items that were options on the r4c. First try to have your r4b at its original specifications.
I have over 40 years of experience repairing drake ham radio equipment. Replacing filter capacitors on the drake r4b, drake, tr4. Drake tr4cw dial lamp replacement with leds youtube. After some research i decided to buy a set formerly owned by k2lwr. Select pages by clicking on the individual page number or manual section from the menu on the left. Drake banking department drake tax users manual 12 tax year 2019 drake banking department contact information for drake softwares banking department. These manuals are available for download and free of charge.
The selected page will appear in this section of the screen. When i bought the radio, i hated the weak tinny solid state audio. For more on the many helpful resources provided by drake software, see chapter 10, resources and support. Each manual includes an index to allow you to find information more easily. With original owners manuals but no box, tr switch or mic. View online or download drake r4b instruction manual. Cover contents page 1 page 2 page 3 specifications. If you cannot download this file, try it with chrome or firefox browser. I replaced my dial lamps with cool blue led lights custom made for this radio.
In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. This site helps you to save the earth from electronic waste. View and download drake t4xb instruction manual online. Quad filter capacitors are scarce or no longer available, and the available space below the r4b chassis rules out using. Drake l4b sm service manual download, schematics, eeprom.
Drake, drake ham radio, drake radio, drake tr7, drake tr7, drake tr4, drake mn2700, drale l4b, drake l7, drake manual, drake rv4. Drake tax users manual contacting drake support tax year 2016 other drake support email addresses following are department email addresses at drake software. Each of the modifications are discussed next in the order they were performed. Speech processor 15 pages radio drake sw1 owners manual. Second, put a 100 nf capacitor in parallel to r19, cathode resistor of v4, this will.
La6op sindre torp has over 200 different drake units. Technical data, operating and service manuals provided by myself and other hams covering various technical subjects, amateur radio receivers, transmitters. Visit us online for more information or to download owners manuals today. Also check the capacitors and resistor values if you still experience low transmit power output or low receive audio. Original complete manual in very good to excellent condition. Dlab drake r4c ham tube receiver audio modification demo. Franklin, nc 28734 phone 828 5248020 fax 828 3495745. Manuals drake manuals by surplus sales of nebraska. Before getting into my most recent drake equipment acquisition and repair, a few comments about owning and operating older vacuumtube radio equipment are in order for those who have never tried it. Drake r4b receiver category is a curation of 4 web resources on, drake r4b modifications, drake r4b manual, drake r4 manual. But when i want to sit down and give my ears a treat, i choose the drake.
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. It is a very easy modification to do and can be easily reversed if needed. Drake, drake ham radio, drake radio, drake tr7, drake tr7. Drake enthusiasts generally prefer the b series receiver. Set the trimmer nb threshold as described in the r4 manual turn until the nb attenuates the signal. Excellent original drake r4b receiver instruction manual. After opening the box and setting up the receiver i decided yes the drake r4b receiver has a unique quality that makes you think wow. Note that there is a limit to the number of files you can download. Html format are best viewed using 1024x768 resolution mode. The tubes all light and i get static on the speaker. The guidelines that follow are not meant to discourage collection, repair, restoration and operation of this gear but rather to point out some of the possible pitfalls and areas of frustration that. This is a demonstration of a high performance audio mod to my drake r4c.
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 341 times. The main category is drake r4b reciever that is about drake r4b receiver. During that time i worked for motorola and in the twoway radio industry for 20 years and in the aircraft avionics industry. If you have not set up a user account, you must sign in with your efin and efile password. I have a fully equipped test bench to address all your repair and service needs. This page uses frames, but your browser doesnt support them. I am now accepting new manuals for inclusion in this archive. To view or download the manuals in pdf format, log into drake support and use the training tools link drop list to select manuals. I still use the yaesu for digital work and an icom for for mobile. This is a very nice combbound reprint of the owners manual for the drake r4b amateur band receiver. Supplemental manuals are available on the drake support web site for 706, 990, 1041, 1065, 1120, and 1120s returns.
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