Guitar Echo Units By Singapore 60s Music Maker Jimmy Chng: Part 2

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Hi Andy, 

Looks like there's still some interest in the article as new comments keep trickling in? Thought I'd add some comments regarding the Copicat Echo Unit. 

Vacuum Tubes Or Valves:

1. The electronics in use then was based on vacuum tube technology. This was followed by transistor (solid state) technology. There are several vacuum tubes (also known as "valves") used in the electronic circuit and one of which is the 6BR8A as depicted in the picture below.

2. Due to wear and tear, these tapes would sometimes burst whilst in operation. As replacement tapes were quite costly I had also resorted to make spare ones [like what Cedric Cork, the Vietnam War drummer, did], that is, cutting appropriate lengths from open reeled 1/4" magnetic tapes and splicing them.

3) As for the Schaller, it's true that the magnetic coated drum does get hot as mentioned by Michael Lee. Not only that. The magnetic coating on the drum would get worn out after sometime and a replacement drum is costly. What my dad did was to cut short pieces of open reeled magnetic tape and dissolved them in a solvent (acetone) and brush painted it over the worn part/s of the drum. Another cost saving measure.

Separately, a reader who's close to my heart commented that the article was an interesting read but kind of ended abruptly. I had indeed shortened the article by omitting a small part about DECIBELS' performing at hungry ghost festivals - i.e. Getai. Appended below is the part I omitted.

An example of a getai performance with the

guitar group accompanying a-go-go girls and singer.

https://sites.google.com/site/integrateddeyigrp6304/pop-culture-performers/ge-tai

The Decibels with Jimmy Chng 

on drums in the background.

Getai Performances With 'Decibels':

Getai [歌台] is a Chinese term which literally means, song tower, stage or street concert. It is one of many activities to entertain the Chinese gods, with a related 'officer' from Hell and people who donated funds for the annual Hungry Ghost Festival celebration. It falls during the seventh month of the Chinese lunar year; around August.

From the recesses of my fading memory cells, I could recollect that our very first Getai performance was at Strathmore Avenue. The stage was on the open space between a row of SIT (Singapore Improvement Trust) flats facing the QSTS (Queenstown Secondary Technical School) school field. 

On another occasion, we played somewhere in Kampong Bahru. And on the third occasion I played (as stand-in drummer for the Wong family who were all professional musicians) somewhere off Bencoolen Street. I felt truly honoured to be invited to play alongside them.

Jimmy Chng 

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