$164.0 Buy It Now or Best Offer
free,30-Day Returns
Seller Store ppelectronics
(13348) 100.0%,
Location: Middlesex, New Jersey
Ships to: US,
Item: 296539441432
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Country/Region of Manufacture:United States
NEW — DELUXE — Easy to assemble — PC BOARD VERSION — Reproduction Knight Broadcaster kit In addition to the gallery photos, this listing has extra photos with captions in the description body below, scroll through to see them all. This is a custom produced kit, and has up to a 10 business day handling time before shipping. NOTE: Kit comes with 9AU7 preamplifier tube, but NOT two 50C5 tubes. NOTE: This is the Deluxe PC board kit version, see our other listings for the original point-to-point wired version Kit is available with a dual 115/230 volt primary transformer, for people in countries requiring 230 volts operation. Request this option if necessary, otherwise you may receive a 115 volt primary transformer. The seller makes no representation of any item(s) sold to be fit for a particular purpose and assumes no liability for its use or misuse. It is assumed that the unit(s) will be installed and operated by qualified personnel. The purchaser agrees that the seller shall not be held responsible or liable for any injuries or damages, whether incidental or consequential, associated in any way with the item(s). Not for sale to, or use by minors. BLACK or GRAY case available, your choice, specify when ordering. ########################################################################### This is our new, deluxe, PC (Printed Circuit) board version, reproduction kit of the Knight Broadcaster — Amplifier. The Knight Broadcaster Amplifier is a low power (100mW, Part 15 compliant) AM transmitter. You can learn more on the Internet if you are unfamiliar with it. Three tube design, transmits your mono voice or music signal to any standard AM radio receiver using a microphone (not included), or high level inputs. High level inputs can be from a MP3 player, iPod, iPhone, cassette player, etc.. The kit also functions as a PA (Public Address) style audio amplifier, and has connections you can hook up a loudspeaker too. The audio input connection is by the included 3.5mm stereo jack, shown mounted on front panel. Stereo signals are mixed to mono on the board. A 2-pin screw terminal connector is located on the board for the PA loudspeaker connection. This version of the kit must be housed and operated in an enclosure, and comes with your choice of a black or gray plastic case. User must drill holes as necessary for construction. The kit is electrical equivalent to the original, with several minor changes. Our design includes a brand new, high quality, Triad safety isolation transformer. Domestic orders will receive a 110VAC primary transformer. International orders will receive a 110-220V dual primary version. The selenium rectifier has been replaced with a modern silicon diode. Kit comes with a prewound oscillator coil. Kit uses carbon film resistors. Kit includes several fixed capacitors for tuning, in place of a costly variable tuning capacitor. If desired, the user can install a variable or trimmer capacitor (not supplied), for variable frequency adjustment. Kit uses an external wire antenna, not shown connected in photos. Kit comes complete with all parts as shown. Design includes thermal protector in case of excess heat generation. Plastic case is not compromised, even with fan not running. In order to reduce costs, and improve operation, we have redesigned the circuit to use a less expensive 9AU7 preamplifier tube. We have also included a switch, to select between one or two sections of the preamplifier tube, to prevent overloading with high level signals, and improve signal to noise ratio. The pinout of the 9AU7 is the same as the original 12AX7, and the circuit can be easily modified to use that tube if desired. NOTE: This kit requires good electrical and mechanical building skills, and is recommended for advanced builders. Assembled kits can not be returned. Some simple mechanical modifications are required, such as cutting the metal potentiometer shaft to the correct length, drilling holes in the plastic cabinet, etc.. Triad isolation transformer may be boxed or unboxed (bulk purchase). No warranty on vacuum tubes. Assembled kits can not be returned. The original manual is supplied as a PDF and file on a CD-R. An addendum assembly notes file is supplied in RTF format. Note we do not supply copies of manuals. Kit must be in original, unbuilt condition for refund. Original shipping cost not refundable. The kit is only for sale people with experience building and operated line powered devices. The kit must be operated under FCC Part 15 regulations at all times. This unit must only be operated with the supplied line isolation transformer. Not for sale to, or use by minors. User assumes all liability. See our other listings for more Radio, Electronic and other RARE and UNIQUE items. SHIPPING information Buyer pays actual Priority Mail Medium Flat Rate box shipping cost. Kit uses an external wire antenna, not shown in photos. Includes fan and thermal protector mounted on board. Easy PC board assembly, minimal wiring. Kit does NOT include 50C5 tubes. Your choice of black or gray case, specify when ordering. Brand new, Triad isolation transformer. Kit is available with a dual 115/230 volt primary transformer, for people in countries requiring 230 volts operation. Request this option if necessary, otherwise you may receive a 115 volt primary transformer. No AC point to point wiring. All connections clearly marked on board. CD-R with original manual, and addendum instructions. See our other listings, for an original, point-to-point assembly design. For people interested in Heathkit projects, see our reproduction CR-1 crystal radio kits (standard and low cost versions), and our EXCLUSIVE PC board kits in the photo below. See our other listings for our EXCLUSIVE PC board kits. Powered by SixBit’s eCommerce Solution
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