4-1000a Audio Amplifier

WA2KBU (K8NY) 4-1000A/8166 Amplifier 1973 - K8NY Amateur …

http://www.k8ny.com/4-1000%20Amplifier/4_1000%20Amp_build.htm

In running the 4-1000A in this class of sevice (AB) Eimac recommends an anode voltage of around 5500 v. Since i did not have a Variac to vary the input voltage to the Pole Pig power xfrmr, we tied the neutral taps pf the xfrmr & fed it with …

Building the 4-1000A Amplifier - H a y s e e d

https://www.hayseed.net/~jpk5lad/4-1000A%20Amp/Building%20the%204-1000A.htm

Click to download 4-1000A power supply schematic. And here's the wiring used to control both the amplifier and the power supply: Click to download 4-1000A control circuit schematic. The four switches, used in the control circuit are SPDT rocker …

4-1000a Amplifier Project - YouTube

https://www.youtube.com/watch?v=GM2C4RZRtok

4-1000A TUBE AMPLIFIER - moneysmith.com

http://www.moneysmith.com/W4NFR/4-1000A/4-1000A.html

4-1000A TUBE AMPLIFIER BY W4NFR Built 10-30-1979 One of my favorite Amplifier projects was the 4-1000A and Power Supply. I have many photos of it now, thanks to Ko4oo The hand drawn schematics are straight forward and basic. Enjoy. 73s Bill HOME BUILT BY BILL W4NFR 4-1000A CLOSE UP WITH SOCKET Magnificent Tube ! Front Panel Hours Meter

4-1000A amp restoration | QRZ Forums

https://forums.qrz.com/index.php?threads/4-1000a-amp-restoration.661409/

Tube Collectors Association

http://tubecollectors.org/eimac/archives/41000a(52).pdf

SAN BRUNO, CALIFORNIA The 4-1000A is a beam power tetrode with a maximu m rating of 1000 Intended an amplifie or modulator. the 4-1000A capable o f efficient operation into the vhf In FM broadcast On MC. , two tetrodes a useful power output watts.

4-1000A Amplifier

https://www.hayseed.net/~jpk5lad/4-1000A%20Amp/4-1000a1.htm

K5LAD's 4-1000A Amplifier . Click here for the documentation package on 4-1000A amplifier. NOTE: Some of the following pictures are old scanned photographs taken quite a few years ago and they are not too sharp. There are several newer pictures taken with a digital camera, which are mixed in with the older pictures.

4-1000A Homebrew Amplifier

https://www.qsl.net/ke9na/amp/bigamp.html

4-1000A HF AMPLIFIER Here are pictures of my homebrew 4-1000A HF Amplifier. This amplifier covers the 80, 40, 20, 15 and 10 Meter Amateur bands. Plate Voltage is around 5500 Volts under load. Drive power is less than 100 Watts for full legal power. Check back soon as more pictures are about to be added! RF Deck of the Amplifier Power Supply Deck

ku3xmobile - 4-1000 Backup amp

https://www.ku3x.net/hf-amplifier-primary/4-1000-backup-amp

4-1000 Home Brew Amp Grounded Grid AB2 (1500 Watts output power, all modes) This amplifier was put into service around 1988 and was replaced by the 3CX1000A7 amplifier in 2010. After I had this amp in retirement for 9 years, I put it back in service on a second station. It still works as it did from day one.