Top Results for Heathkit

The Heathkit W-5M was a vacuum-tube high-fidelity audio amplifier kit sold by the American Heath Company during the 1950s. It used a Williamson-derived amplification design and was supplied for assembly by electronics hobbyists rather than as a finished consumer component. The model belongs to the e...

The Heathkit GC-1000A is an updated revision of the famous Heathkit Most Accurate Clock, a digital timepiece kit from the 1980s that synchronized with NIST WWV radio signals in the USA.

The Heathkit SB-102 was an amateur-radio transceiver sold as a build-it-yourself kit by the Heath Company in the early 1970s. It was designed for high-frequency operation, including single-sideband voice and continuous-wave Morse transmissions, and followed the SB-101 in Heath's SB series. Its inten...

The Heathkit TT-1 is a Heath Company vacuum-tube tester sold as a build-it-yourself electronic instrument. The kit supplied the chassis, controls, sockets, and electrical components needed to assemble a bench device for checking tubes used in radios, televisions, amplifiers, and other equipment. It...

The Heathkit HW-8 is a solid-state amateur-radio transceiver sold as a build-it-yourself kit from 1976 to 1983. It uses a direct-conversion receiver and covers four amateur bands, 80, 40, 20, and 15 metres, for low-power CW operation; its small format and kit construction made it relevant to radio a...

The Heathkit SB-1000 is a Heath Company amateur-radio linear amplifier sold as a build-it-yourself kit. Its grounded-grid circuit uses one 3-500Z power triode and covers several HF amateur bands, with tuned input circuits intended to work with a solid-state transceiver. It is aimed at licensed radio...

The Heathkit SB-101 was an amateur-radio single-sideband transceiver sold as a kit by the Heath Company. Introduced in the 1960s, it combined a transmitter and receiver for high-frequency amateur bands in one station unit, allowing home builders to assemble and service a complete SSB communications...

The Heathkit SB-303 is a solid-state amateur-radio receiver kit from the Heath SB series. Designed for high-frequency reception, it uses transistor circuits, including field-effect transistors, instead of relying on the vacuum-tube designs found in earlier equipment. The unit was intended for home a...

Heathkit SB-301 is an analog amateur-radio receiver sold by the Heath Company as part of its SB-series equipment. Introduced in the 1960s, it was supplied as a construction kit that radio amateurs assembled and aligned themselves, and it was designed for reception of single-sideband and other shortw...

The Heathkit H-8 was an 8-bit microcomputer sold by the Heath Company as a kit for hobbyists. Introduced in 1977, it used an Intel 8080A central processor and included a front panel with switches and indicator lights for interacting with the machine; users assembled the system rather than buying a f...

The Heathkit SB-401 is a vacuum-tube amateur-radio transmitter designed for single-sideband and continuous-wave operation on the high-frequency amateur bands from 3.5 to 30 MHz. Heathkit sold it as a kit, and its circuit was designed to work with the SB-300 or SB-301 receivers for transceive operati...

The Heathkit EC-1 is an educational electronic analog computer introduced by the American Heath Company in 1960. It was sold as a kit for students and newcomers, with a manual explaining the operating principles, setup, and solution of sample problems. Instead of representing calculations with digit...

The Heathkit SB-620 is a kit-built spectrum monitor and intermediate-frequency spectrum analyzer for amateur-radio stations. Connected to a compatible receiver, it displays the amplitude of signals around the receiver's tuned frequency on a cathode-ray tube, allowing an operator to see nearby activi...

The Heathkit AA-151 is a stereo integrated amplifier sold as a kit by Heathkit in the early 1960s. It combines the functions of a stereo preamplifier and power amplifier in one home-audio component, allowing builders to assemble and service the unit themselves. The model is relevant to collectors, r...

The Heathkit SB-610 is a station monitor scope designed for amateur-radio use. Its cathode-ray display can show transmitted-signal patterns such as an RF envelope, RF trapezoid, or radioteletype cross pattern, while its receiver connection can be used to monitor another station; the manual specifies...

The Heathkit IG-18 is a build-it-yourself sine-square audio generator introduced by the Heath Company in the late 1960s. It produces sine-wave and square-wave test signals across the audio range, with controls for frequency and output level, and was intended for technicians, experimenters, and hobby...

The Heathkit HP-23 is an AC power-supply kit made for fixed amateur-radio stations and used with Heathkit transceivers such as the HW-101. It supplies the operating voltages required by compatible tube-based equipment through the HP-23 and related PS-23 series, making it a companion unit rather than...

The Heathkit AA-181 is a stereo audio amplifier sold as a kit by Heathkit, the American company known for electronic equipment supplied for home construction. Its purpose was to let a hobbyist assemble a two-channel audio unit from components, wiring, and instructions, then connect it to a home musi...

The Heathkit HD-1410 is an electronic Morse-code keyer kit made by the Heath Company for amateur-radio use. A keyer controls the timing of dots and dashes from a manual paddle, allowing an operator to produce more regular continuous-wave transmissions than with a simple hand key. The unit is relevan...

The Heathkit HW-16 is an amateur-radio transceiver kit introduced by the Heath Company for Novice-class operators. It combines a transmitter and receiver in one unit and was designed as an accessible way for new licensees to establish a high-frequency Morse-code station. Like other Heathkit equipmen...

The Heathkit HM-102 is a vintage electronic kit that combines an RF power meter with an SWR bridge for amateur-radio use. Its circuit measures forward RF power and standing-wave ratio on nominal 50-ohm transmission lines, helping an operator assess the match between a transmitter, feed line, and ant...

The Heathkit IM-18 is a Heath Company vacuum-tube voltmeter kit introduced in 1968. It is an electronic test instrument for measuring DC voltage, AC voltage, peak-to-peak voltage, and resistance, with a high-input-impedance design intended to reduce loading of the circuit under test. The assembly ma...

The Heathkit SB-110 is a vintage six-meter amateur-radio transceiver designed for the 50-54 MHz band. Sold as a Heathkit construction project, it allowed an operator to assemble a station that could receive and transmit single-sideband signals. Its historical distinction is the combination of a VHF...

The Heathkit IM-13 is a kit-built vacuum-tube voltmeter intended for service benches and electronics testing. Its functions include measurement of positive and negative DC voltage, AC voltage, and resistance; the instrument provides seven main voltage ranges from 1.5 to 1,500 volts and uses a high-i...

The Heathkit IM-25 is a solid-state volt-ohm-milliammeter, or VOM, produced by the Heath Company and listed in Heathkit material from 1967. It was offered both as a kit and as a factory-built instrument, using transistor circuitry to measure electrical voltage, resistance, and current without the va...

The Heathkit SM-2410 is the factory-assembled and tested version of the Heathkit IM-2410 digital frequency counter. It uses an eight-digit LED display, a single BNC input, switchable ranges covering 10 Hz to 50 MHz and 20 MHz to 225 MHz, and selectable 0.1- and 1.0-second gate times. The instrument...

The Heathkit AR-13 is an all-transistor stereo receiver sold by the Heath Company as an electronics kit. Its circuitry combines AM, FM, and FM-stereo tuning with two 20-watt power amplifiers and separate preamplifiers; catalog descriptions list 43 transistors and 16 diodes. The kit was intended for...

The Heathkit IO-4560 is an oscilloscope kit produced by the Heath Company, which sold electronic test instruments in kit form. Like other oscilloscopes, it displays changing electrical signals as waveforms on a cathode-ray-tube screen, allowing users to inspect timing, amplitude, and signal shape. T...

The Heathkit SB-500 is a 2-meter single-sideband transverter kit for amateur radio. It was intended for use with a compatible Heathkit HF transceiver, which supplied the intermediate-frequency signal while the SB-500 converted signals to and from the 144 MHz amateur band. The unit is of interest to...