Monthly Archives: July 2011

Aikido PreAmp Upgrade: Switches

Last upgrade, the switches. Basically, in most tube application, we will use two switches. The first is the main switch which will control the main AC voltage to supply the...... Read More

Aikido PreAmp Upgrade: Sowter Custom Choke Input 30H / 75mA

This is the final choke upgrade that I’ve been waiting for quite long time. After some discussion on the phone with Brian (1 day before his birthday), finally I finalized...... Read More

MJ 300B/2A3 Special Edition

A special edition of MJ Audio Technology Magazine from Japan. A must have for 300B/2A3 lover! Quite expensive, especially if you buy it outside Japan.... Read More Reference CD #1

After a long journey listening hundreds of tracks, finally I come up with Reference CD #1. This CD, off course due to law regulation, are made by me and...... Read More

My Four Tweaking Tapes

To tweak a lot of things, usually I reserve a good set of tweaking tools. One of them is the tape. The function, mostly, is to seal something (wire/chassis/transformer) in...... Read More

Aikido PreAmp Upgrade: Chassis

Not yet finished chassis. Quite huge for a preamp, around 42×42 cm in size. Some copper sheet shown on the picture for some section on the top plate.... Read More

Aikido PreAmp Upgrade: IEC, Resistor, RCA, Hook-Up Wiring

The upgrade not yet ended. I still have something to finalize my Aikido PreAmp. I go to upgrade some section in order to make it firms before fitting it on...... Read More

Aikido PreAmp Upgrade: Electra-Print Custom Choke 30H / 75mA

Not just Lundahl here, I also ordered custom choke from Jack/Electra-Print. I contacted Jack and asked him to create a Choke, with requirement to be placed in Input position. He...... Read More

Old AD1865N and New AD1865N-K

AD1865 was build from some different factory around the world. Some may have from Malaysia, some from Philippines, some maybe from anywhere around the world. I collected some old AD1865N,...... Read More

Aikido PreAmp Upgrade: Lundahl LL1673 / 20H / 100mA / 60 Ohm DCR

I’m ongoing to rebuild my Aikido Preamp which has been suspended for quite long time. The target is simple: a complete wood chassis and some upgraded parts then we are...... Read More