
Final video showing the completed restoration

Capehart 111K2 FM Early Georgian (Farnsworth Television & Radio Corp. - see also Capehart)
Capehart Restoration & Preservation, Nico Jacobsen 2026-10-03
Circa 1936 Capehart model 400 D series housed in #6 Adam cabinet. Complete with: 21 radio tubes 8 knob 5 band all wave tuner Variable I.F. control Sensitivity control First year Bi-amplification with separate treble and bass amplifiers 6x push pull confi...

406D Adam Ch= W-877, W-867, W-868, 16-E (Capehart Corp.; Fort Wayne, IN - see also Farnsworth)
Capehart Restoration & Preservation, Nico Jacobsen 2026-10-03
Gramofon Bambino 4 wyprodukowany w październiku 1973, kupiony 8 lipca 1974 roku. Od nowości w rodzinie.
Radio z GramoFunem, Marcin Seliwiak 2026-09-17
Radioodbiornik VE 301 firmy Schaub z 1934 roku odbierający stacje na falach średnich.

Volksempfänger VE301W (Schaub und Schaub-Lorenz)
Radio z GramoFunem, Marcin Seliwiak 2026-09-17
Automatyczne strojenie w odbiorniku Philips D58 z 1938 roku.

Aachen Super D58 (D 58 AU) (Philips Radios - Deutschland)
Radio z GramoFunem, Marcin Seliwiak 2026-09-17
GramofonTelefunken Bayreuth 40W z drugiej połowy lat 30. dwudziestego wieku oraz radioodbiornik Mende MS 216W, wyprodukowany w 1939 roku.
Radio z GramoFunem, Marcin Seliwiak 2026-09-17
Przedwojenny Braun Cosmophon 111W

Cosmophon 111W (Braun; Frankfurt)
Radio z GramoFunem, Marcin Seliwiak 2026-09-17
Radio Philips 890A z 1937 roku z gramofonem Telefunken PSS 11/39W z 1939 roku.
Radio z GramoFunem, Marcin Seliwiak 2026-09-17
Lumophon Edler WD325 to niemiecki odbiornik z 1935 roku. Radio posiada 4 lamp: AH1, AC2, AL1 oraz AZ1. --- Stowarzyszenie Pentoda – radiotechnika z dawnych lat 📻 Ocalamy historię radioodbiorników i dzielimy się pasją do dawnej techniki lampowej. 🌐 Str...

Edler WD325 (Lumophon, Bruckner & Stark, BSN; Nürnberg)
Pentoda - radiotechnika z dawnych lat, Paweł Banach 2026-09-06
Pixie Phone Gama 54 Wind Up Children's Tin Gramophone 1950's The links to the records are below: https://youtu.be/HiqWh4qlCtw Silly Songs / Musical chairs https://youtu.be/oYwvt-C4aH0 Looby Loo / Smoke Up The Chimney https://youtu.be/FJwnOVfv8YA Hickory D...

Pixie Phone 54 (Gama, Georg Adam Mangold; Nürnberg)
Gramophonic Reevolution, Nico Jacobsen 2026-08-28
In this episode i assess the issues on a dead Grundig 2220 CA, vacuum tube radio, then proceed to properly reconnect the internal speaker, before i clean the cabinet in preparation for the chassis' electronics repairs.

Oszilloskop KE1071 1942 (Siemens Elektrizitätserzeugnisse AG, Zürich)
Vintage Radio Café, Peter Gruschka 2026-08-18
Tandberg Sølvsuper 3 to norweskie radio z 1941 roku. Radio posiada 5 lamp: ECH3, EBF2, EL3, AZ1 oraz EFM1. Film przedstawia działanie odbiornika. ------------------------------------------------------------------------------------------------------------...

Sølvsuper 3 (Tandberg Radio; Oslo)
Pentoda - radiotechnika z dawnych lat, Paweł Banach 2026-08-14
This heavy-hitter from 1955 is a beast of British engineering! In this video, we take a deep dive into the Murphy B41 British Navy Receiver, a massive piece of maritime history that tips the scales at a literal 100lbs (45kg). I’ve spent some time cleaning...

B41 Admiralty Pattern 57141C (Murphy Radio Ltd.; Welwyn Garden City)
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
I just got in two Tektronix oscilloscopes from the same series : The Tektronix 2236 oscilloscope was first introduced in 1984 (end 8 years later) while the Tektronix 2213A was introduced in 1985 (end 9 years later) model 2236 100MHz with digital timer cou...

Oscilloscope 2236 (Tektronix; Portland, OR)
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
Restoring a piece of test equipment history: the Wavetek 134 Sweep Generator from 1971. This versatile unit covers a dynamic frequency range of 0.2 Hz to 2 MHz. In this video, I take this vintage beast through a full clean up and some much-needed cosmetic...

Sweep Generator 134 (Wavetek Corporation; San Diego (CA))
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
This Rohde & Schwarz SMDU Signal Generator was literally seconds away from being send to the scrap yard. It was rescued and transported to my lab, saved from the "trashcan" at the last possible moment. Designed in 1973 and in production until 1988, the S...

Universal-Mess-Sender SMDU (Rohde & Schwarz, PTE; München)
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
Classic Tube Tester Hickok 539C needed a bit meter repair, The Hickok 539C is widely considered the holy grail of vintage tube testers. Released in the 1960s, this lab-grade instrument is famous for its accuracy, multiple meters, and ability to measure Mu...

Tube Tester 539C (Hickok Electrical Instrument Co.; Cleveland, OH)
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
In this video, I take a Thurlby Thandar PL310 (30V/1A) power supply from 1988 and give it a complete, deep-cleaning overhaul. When I got this unit, it was in rough shape badly rusted both inside and out. I think it was left in top of Lead-Acid batteries...

Precision Power Supply PL310 (Thurlby Thandar Instruments)
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
Hewlett Packard Tracking generator for their spectrum analyzer series of same age, internal 500MHz osc option, normally you also get the fixed 500MHz from the spectrum analyzer, and main LO input is 2.1 to 3.6GHz = 0 to 1.5GHz output its internal osc is a...

Tracking Generator 8444A (Hewlett-Packard, (HP); Palo Alto, CA)
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
Hewlett Packard Tracking generator for their spectrum analyzer series of same age, internal 500MHz osc option, normally you also get the fixed 500MHz from the spectrum analyzer, and main LO input is 2.1 to 3.6GHz = 0 to 1.5GHz output its internal osc is a...

Tracking Generator 8444A (Hewlett-Packard, (HP); Palo Alto, CA)
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
this unit is from about 1935-45, CKB-74028 Heterodyne Frequency Meter Frequency range 125 to 2000kHz low range to 2MHz to 20MHz in the high range. it is a unit for model LM-14 radio equipment, manufactured for Navy Department Bureau of ships,by contractor...

Heterodyne Frequency Meter CKB-74028 (MILITARY U.S. (different makers for same model))
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
From about 1965 a 55MHz to UHF tv bands 460-795MHz AM modulated converter, it is tube based with one PC86 ultra fast single triode and two 1N82A diodes, they are germanium diodes made for ultra fast UHF band. - when you are done with this video, PLEASE tr...

UHF-Wobbelvorsatz VS2 Typ 6077 (Grundig (Radio-Vertrieb, RVF, Radiowerke); Fürth/Bayern)
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
what a nice and special unit, the Racal RA17UA from 1962-72 made in USA Silver Spring Maryland. is a triple conversion superheterodyne receiver that handle 0.5 to 30MHz its an all tube unit, some pages say it contain 23 tubes, but i only find 22 tubes in...

RA-17 (Racal Engineering / Instruments / Electronics Ltd., Bracknell)
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
today i show my Tektronix 502A oscilloscope, the late model with Nuvistors and transistors in the first channel stages. there are 37 tubes in this scope CRT included, I think my unit is from about 1963-65, it is a TRUE dual channel with two beam guns and...

Dual-Beam Oscilloscope 502 (Tektronix; Portland, OR)
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
This is a new high for my collection a single unit weight : 55kg !! its main design was released in 1958 and last one made in 1973, mine is from 1969, it it is of course fully tube based 24 tubes found inside, mostly EF80 pentode, but a few others are al...

Z-g-Diagraph ZDU (BN3561) (Rohde & Schwarz, PTE; München)
Thomas Scherrer OZ2CPU Teardown, Thomas Scherrer 2026-08-09
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