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Chappy Happy

Travel, Audio, and Ham Radio including QRP.

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86 videos

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The Poor Man's Tube Amplifier 12AU7 SE Stereo Amp. DC-DC Converter プアマンの真空管アンプ 12AU7シングル・ステレオアンプ

1.8K views
3 months ago

HV Power Supply for Vacuum Tube Enthusiasts 　　真空管が好きな人のための電源装置

4.1K views
3 months ago

Add Bluetooth to a Tube Radio　スマートフォンの音楽を真空管ラジオで聴く

510 views
4 months ago

Hallicrafters 5R40 Portable Tube Radio

593 views
4 months ago

Add a Digital Display to a Tube Radio ５球スーパーラジオをデジタル表示にする

1.3K views
10 months ago

A Photo Frame Radio Inspired By Zenith Poster 1926 フォトフレーム・ラジオ

505 views
1 year ago

Organize Your Radio Parts Using Toilet Paper Rolls トイレットペーパーの芯活用術：ラジオ部品の整理・真空管の箱

1.1K views
1 year ago

Cardboard Pinball Machine with Score Counter 　ダンボールで作るスコアーカウンター付きピンボール・マシン

535 views
1 year ago

Ultra Simple Troubleshooting Tools 　超シンプル故障診断ツール（ラジオの修理用）

1.5K views
1 year ago

Fun with Regenerative Receiver and Plug-In Coils プラグイン・コイル式再生受信機

6.5K views
1 year ago

Is This a Transistor Radio?

2.2K views
1 year ago

Add a Simple BFO on your SW radio

4.1K views
1 year ago

40m Direct Conversion Receiver 7MHz ダイレクトコンバージョン受信機

15K views
1 year ago

40m Direct Conversion Receiver Part3 (CW Filter) 7MHz ダイレクトコンバージョン受信機 Part3 (CWフィルター)

4.8K views
1 year ago

40m Direct Conversion Receiver Part2 7MHz ダイレクトコンバージョン受信機 Part2

3.8K views
1 year ago

40m Direct Conversion Receiver 　7MHz ダイレクトコンバージョン受信機

7.9K views
1 year ago

Handy Adjustable DC Power Supply

926 views
1 year ago

50MHz Frequency Counter with Signal Generator 50MHz 周波数カウンター

2.3K views
1 year ago

Simple External BFO for SSB/CW reception on your SW radio 簡易外付けBFO

14K views
2 years ago

Aircraft Band on Your BC Band Radio 　AMラジオで航空機無線（エアーバンド）を楽しむ

7K views
2 years ago

Dim - Bulb Tester DIY

4.3K views
2 years ago

Emission Tube Tester DIY under $50

3.5K views
2 years ago

Boy's Radio 2-Transistor Reflex Radio

2.7K views
2 years ago

Philips PHILETTA

1.6K views
2 years ago

Convert Vintage UHF Converter to AM Radio

1.7K views
2 years ago

TRIO 9R59 and TX88A

2.5K views
2 years ago

0-V-2 Shortwave Receiver: 2-Tube Regenerative Receiver 科学教材社風 0-V-2 短波受信機

24K views
3 years ago

The Poor Man's Collins Part2: 1-Tube Regenerative Receiver 無銭家のコリンズ：単球再生式受信機　0-V-1や0-V2を作ったころに思いを馳せて

21K views
3 years ago

The Poor Man's Collins: 1-Tube Regenerative Receiver Part1 無銭家のコリンズ：単球再生式受信機

7.4K views
4 years ago

FETを使った再生式短波受信機：0-V-1 や 0-V-2 を作ったあの頃に思いを馳せて

17K views
4 years ago

BLACK BOX : 4 Inch Cube LM386 Portable Amplifier, Portable Guitar Amplifier DIY

6.7K views
4 years ago

Build Lafayette KT-135 from scratch Part5: Regenerative Circuit

3.6K views
4 years ago

Build Lafayette KT-135 from scratch Part4: AF Amplifier & Filter Capacitor

1.5K views
4 years ago

Build Lafayette KT-135 from scratch Part3: Assembly

1.8K views
4 years ago

Build Lafayette KT-135 from scratch Part 2

1.4K views
4 years ago

Build Lafayette KT-135 Regenerative Receiver from scratch

2.6K views
4 years ago

Hello My Subscribers

2.9K views
7 years ago

The WBR Regenerative Receiver For 40-Meter Band

29K views
7 years ago

80m/40m 2-Band 1.5VDC Regenerative Receiver - 3.5/7.0MHz Regen Receiver

31K views
7 years ago

Morse Code Practice Oscillator - Sine Wave CW Code Practice Oscillator

11K views
8 years ago

Digital Frequency Counter For Regenerative Receiver - Freq. Counter For Regen Receiver

27K views
8 years ago

12AU7 12VDC Regenerative Receiver UPDATE - 40 Meters Amateur Radio Band Regen Receiver

17K views
8 years ago

12AU7 12VDC Regenerative Receiver - 40 Meters Amateur Radio Band Regen Receiver

45K views
8 years ago

1.5V DC Shortwave Regenerative Receiver - FET Regen Receiver

34K views
8 years ago

FET Regenerative Radio - Powered By 1.5V AA Battery

15K views
8 years ago

Battery Powered Tube Radio - 4-Tube Superheterodyne

9.8K views
8 years ago

Holiday Electronics Project DIY

664 views
8 years ago

Turn a Grid Dip Meter into a Regeneratve Receiver - Heathkit GD-1B Regen MOD

4.5K views
8 years ago

One Tube 12V DC Shortwave Regenerative Receiver - 12BA6 Regen Receiver

57K views
8 years ago

One Transistor FM Super Regen Receiver - One Transistor FM Radio

66K views
8 years ago

NINTENDO FAMICOM AV Mod

9.5K views
8 years ago

Memories of Europe - Paris and Venice

320 views
8 years ago

‘80s PORTABLE TV - One Man's Trash is Another Man's Treasure

3.3K views
8 years ago

Adding a S-Meter to Hallicrafters S-38 Series Shortwave Receiver

3.3K views
8 years ago

AM Loop Antenna - Very Effective - DIY

124K views
8 years ago

My First Cigar Box Guitar - CBG DIY with Hand Tools Only

15K views
8 years ago

Portable Tube Radio Power Supply

2.9K views
8 years ago

ONE CHIP AM RADIO Using Dollar Store Items - TA7642 (UTC7642)

7.2K views
8 years ago

MY FIRST STEPS TO PARASET - Transmitter Portion

4K views
8 years ago

MY FIRST STEPS TO PARASET - Receiver Portion

9.9K views
8 years ago

MY FIRST STEPS TO PARASET - Parts & Assembly

7.1K views
8 years ago

MY FIRST STEPS TO PARASET - Friction Drive & Built-In Key

6.4K views
8 years ago

6DJ8 ECC88 SE Stereo Amplifier - Bedside QRP Tube AMP, Loftin-White

14K views
8 years ago

Yellow Submarine AM Regen Radio ♫ We all live in... Full speed ahead...

1.5K views
8 years ago

6E5 Magic Eye Tube AM Regen Radio - Dual Purpose, Regen Detector & Tuning Indicator

26K views
8 years ago

Crystal Rocket Radio - Crystal Radio using a Krazy Glue container.

6.8K views
8 years ago

Triac Lamp Dimmer and Steampunk Lamp using Recycled Materials

929 views
8 years ago

AM Radio Transmitter for Vintage Tube Radio - Simple, but Great Performance

48K views
8 years ago

One Tube FM Super Regen Receiver - 12BH7A 12V DC Radio

72K views
8 years ago

RF Signal Generator to Regenerative Receiver - ECC82/12AU7 Regen Receiver

16K views
8 years ago

HF Indoor Loop Antenna DIY - Simple & Easy to Build

153K views
8 years ago

High Performance Regenerative Receiver - Schematic Diagram & Parts Layout

159K views
8 years ago

569 views
8 years ago

Carbon Canyon Regional Park Brea, CA Pilotfly Action-1 + SONY FDR-X3000

1.4K views
8 years ago

Hallicrafters S-38 "Z" Receiver Ham Radio DIY Projects PART4: BFO

5K views
8 years ago

Hallicrafters S-38 "Z" Receiver Ham Radio DIY Projects PART3: CONV. & IF AMP.

3K views
9 years ago

THE HUNTINGTON Botanical Gardens - Pilotfly Action-1 + SONY FDR-X3000

1.3K views
9 years ago

Hallicrafters S-38 "Z" Receiver Ham Radio DIY Projects PART2

3.1K views
9 years ago

Homemade AM/SW Radio - Shortwave 41M Band

5.5K views
9 years ago

Hallicrafters S-38 "Z" Receiver Ham Radio DIY Projects PART1: Chassis & Cabinet

2.2K views
9 years ago

LM386 Portable Audio Amplifier

15K views
9 years ago

Homemade AM/SW Radio - AM Broadcast Band

7.5K views
9 years ago

High Performance Regenerative Receiver - Ham Radio DIY Projects

53K views
9 years ago

DIY Projects from Dollar Store - Trangia Alcohol Stove Simmer Ring Handle

8.5K views
9 years ago

IKEA Hobo Stove & Cook Set for Camping with Trangia Alcohol Stove - DIY

26K views
9 years ago

6N6P Single-Ended Stereo Tube Amplifier, Loftin-White DIY

21K views
9 years ago

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