I do not use this amplifier frequently and maybe it is a mistake. I mainly work in CW with 50 W and that’s enough for me.
So last week, I turned it back on and after a few minutes I saw, that in the “stand-by” position, there was an anode flow of about 100mA.
Absolutely abnormal !!!
A 572B exibits a short-circuit between grid and filament.
Baofeng UV-5R Ham Radio Long Range UV5R Wakie Talkies Dual Band VHF UHF Rechargeable Handheld Two Way Radio for Survival Gear,2Pack
$39.99 (as of March 28, 2024 11:57 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)【1】With Function VFO & Memory channels scan,Dual display / Dual standby/ Auto Keypad Lock;FFC ID: 2AJGM-UV5R 【2】The Radio is necessary for traveling, survival, hiking, cycling, work, camping, fishing, Emergency Alarm. it is Walkie talkie lover's fa... read more
Baofeng UV-5R Two Way Radio Dual Band 144-148/420-450Mhz Walkie Talkie 1800mAh Li-ion Battery(Black)
36% OffFrequency Range: 144-148MHz, 420-450MHz. Please kindly know that UV-5R would not transmit without this frequency range. 128 Channels 50 CTCSS and 104 CDCSS Dual-Band Display, Dual Freq. Display, Dual-Standby, A/B band independent operation, High/Low ... read more
BAOFENG BF-F8HP (UV-5R 3rd Gen) 8-Watt Dual Band Two-Way Radio (136-174MHz VHF & 400-520MHz UHF) Includes Full Kit with Large Battery
$62.89 (as of March 28, 2024 11:57 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Upgrades from our Previous Generation UV-5R: Twice the Output Power (8 watts up from 4 watts output), New Hardened Durable Radio Shell, 30% Larger Battery, V-85 High Gain Antenna (Twice the Antenna Performance), USA Support + In-depth User Guide Incl... read more
Baofeng UV-5R Two Way Radio Handheld Ham Radio Dual Band Walkie Talkie(2PACK, Black)
21% OffFrequency band: 144-148/420-450Mhz | VHF and UHF bands and channel name displayed | Up to 128 memory channels | Squelch adjustable in 9 levels. High/Low TX power selectable: Busy channel lock-out(BCLO),128 Channels 50 CTCSS and 104 CDCSS Dual-Band Di... read more
BaoFeng UV-5R 8W Ham Radio Long Range UV5R HandheldDual Band Walkie Talkies Two Way Radio Portable Tri-Power Radio(Black-8W 1Pack)
15% Off【1】This article is ideal for short-distance communication. It is simple, economical and practical. 【2】High/ Mid/Low Power ,Dual band / dual display / dual standby,AUTO Keypad Lock. 【3】 FCC ID: 2AJGM-UV5R 【4】1800mAh Battery,128 groups of storage c... read more
Portable AM/FM/SW Radio with Best Reception,900mAh Walkman Radio with LCD Display, Digital AM FM Radio with Headphones,Pocket Radio with Rechargeable Battery,Digital Tuner and Presets for Walking
$24.99 (as of March 28, 2024 07:40 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)📻High Sensitivity Reception AM/FM/SW Radio: This shortwave radio can listen 3 bands of frequency, FM:87-108MHz; AM:520-1710kHZ;SW:4.75-23.80MHz. This digital am fm radio apply latest DSP noise reduction chip and a long whip antenna to ensure stable r... read more
NOAA Weather Radio, Emergency Hand Crank Radio with Solar Charger, Portable Battery Operated AM FM Shortwave Radio with LED Flashlight, USB Charger, Earbud Jack, SOS Alert for Home Survival Hurricane
$35.99 (as of March 28, 2024 14:21 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)【NOAA Weather Alert Radio Keeps You Prepared Ahead】Our NOAA Weather Radio is certified by National Weather Service. Choose WB band and one of the 7 preset weather band to tune into your local weather station. When the National Weather Service issues ... read more
BAOFENG GMRS Handheld Radio UV-5R 3800mAh Extended Battery USB Rechargeable Two Way Radio,GMRS Repeater Capable with NOAA Weather Alerts & Scan,with USB Charging Full Set (Black-1Pack 3800mAh)
10% Off【Professional GMRS Radio】UV-5R with 128 memory channels, 30 default channels include 22 Modifiable GMRS Channels for communicating with other radios right out of the box and 8 Modifiable GMRS Repeater Channels .You can easily add new channels and cha... read more
Anlibatt 12V 20AH Lead Acid Battery Rechargeable with M5 Terminal Replacement for Electronic Scooter and Toy, Wheel Chair, UPS Backup Power, Emergency Lighting
$42.99 (as of March 28, 2024 19:33 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)12V 20AH SLA AGM Batttery, M5 Terninal, Dimensions: (L) 7.13in x (W) 3.03 in x (H) 6.57 in., Weight: 11.57 lbs, Voltage: 12V, Capacity: 20AH, Case Material: ABS, Separator: AGM. AGM Tech - Utilizes absorbed glass mat (AGM) technology and valve regula... read more
Greadio 4000mAh Shortwave Radios with Best Reception,AM/FM/WB/SW Portable Radio with Bluetooth 5.4,White Noise,Hand Crank/Solar/SOS/Flashlight,AM FM Digital Radio,Support USB/TF for Emergency,Outdoor
$49.90 (as of March 28, 2024 07:54 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)🆘[NOAA AM FM Short Wave Radio]The portable transistor radio with a military cool appearance can tune into your favorite broadcast.This digital radio has a bright screen allows you to tune the frequency clearly and accurately.The embedded DSP chip enh... read more
Emergency Radio Hand Crank Solar,AM/FM/WB NOAA Weather Radios with Oversized Solar Powered Power Panel,Type-C Charger,3W Flashlight & Reading Lamp,SOS Alarm,5000 mAh Battery Operated Survival Radio
$32.99 (as of March 28, 2024 07:56 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)💎【Emergency Radios with Dual Solar Panels】Say goodbye to the limitations of solar charging on ordinary emergency radios.TFTDOUP's hand crank radio features dual solar panels, the largest solar panels on the radio market, and recharges five times more... read more
Midland® - GXT1000X3VP4 - Walkie Talkie Long Range Two-Way Radio - 50 Channel GMRS Radio - 142 Privacy Codes, SOS Siren, and NOAA Weather Alerts and Weather Scan - Black/Silver, 3-Pack
$99.99 (as of March 28, 2024 19:40 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Push-to-Talk Communication: Stay seamlessly connected to your loved ones or coordinate group activities with the simple push of a button. These two-way radios ensure you always know where everyone is and provides peace of mind knowing they are safe. ... read more
TOPDC 4 Gauge 20 Feet Jumper Cables for Car, SUV and Trucks Battery, Heavy Duty Automotive Booster Cables for Jump Starting Dead or Weak Batteries with Carry Bag(TD-P0420)
20% Off【Strong And Safe Clamps】: The TOPDC Jumper Cables booster cable has four giant alligator clamps with strong jagged teeth and springs for excellent grip force. The jaws are strong and make connections easy. And the High Peak Jumper Cables has insulati... read more