CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,739 Location California Sep 12, 2018 #1 closet amp, never been opened up, cobwebs, spiders, got bit by a brown recluse, Attachments s1.jpg 174.9 KB · Views: 17
CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,739 Location California Sep 12, 2018 #2 nite site has info> http://www.silvertoneworld.net/amplifiers/1472/1472.html vertical tubes somehow stay put, 6V6GT Attachments s2.jpg 99 KB · Views: 22
nite site has info> http://www.silvertoneworld.net/amplifiers/1472/1472.html vertical tubes somehow stay put, 6V6GT
CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,739 Location California Sep 12, 2018 #3 Jensen 4 ohm 12" speaker C12R Attachments s3.jpg 102.1 KB · Views: 15
CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,739 Location California Sep 12, 2018 #4 1961 so 55 years old, unfortunately some of those blue Sangamo's were leaky, and also four 330 K resistors were bad, Attachments s4.jpg 271.5 KB · Views: 31
1961 so 55 years old, unfortunately some of those blue Sangamo's were leaky, and also four 330 K resistors were bad,
CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,739 Location California Sep 12, 2018 #5 built for speed, sound improved with resistor change, some were open Attachments s11.jpg 170.7 KB · Views: 26
CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,739 Location California Sep 12, 2018 #6 yes they ran out of terminals, thus the tape, those caps are for the Tremlo circuit, 1961 amps had mispelled "Tremlo " on the panel silkscreen, Attachments s12.jpg 153.3 KB · Views: 29
yes they ran out of terminals, thus the tape, those caps are for the Tremlo circuit, 1961 amps had mispelled "Tremlo " on the panel silkscreen,
CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,739 Location California Sep 12, 2018 #7 foil and # Attachments foil.jpg 149.7 KB · Views: 21
CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,739 Location California Sep 12, 2018 #8 schematic with DC voltages, this amp breaks up early so the slide players like it, note lack of bias resistor on split load phase swapper, not a mis-print, do not know how the amp functions without but it does, Attachments Sears Silvertone 1472 voltages.png 412.3 KB · Views: 27
schematic with DC voltages, this amp breaks up early so the slide players like it, note lack of bias resistor on split load phase swapper, not a mis-print, do not know how the amp functions without but it does,
CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,739 Location California Sep 12, 2018 #9 original tubes, good slikscreen, Attachments s8.jpg 78.4 KB · Views: 17
CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,739 Location California Sep 12, 2018 #10 do not know tube brand, made in USA, Attachments s9.jpg 67.9 KB · Views: 15
CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,739 Location California Sep 12, 2018 #11 no tolerance band, 20% ? Attachments s13.jpg 307.5 KB · Views: 17
CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,739 Location California Sep 12, 2018 #12 weird cap, .00068 , upper left, across plate resistor in trem circuit, Attachments s6.jpg 183.3 KB · Views: 22
B benb Well-known member Joined Jan 3, 2012 Messages 363 Sep 12, 2018 #13 Funny about "Tremlo." There was some other big company that labeled it "Vibrato." I guess all those Italian musical terms were so confusing ... CJ said: no tolerance band, 20% ? Click to expand... Yes, and if you were my age and played with resistors as a teen (think "My Sweet Lord" on the radio) you wouldn't have to ask! Oh my, control room porn: https://www.youtube.com/watch?v=SP9wms6oEMo
Funny about "Tremlo." There was some other big company that labeled it "Vibrato." I guess all those Italian musical terms were so confusing ... CJ said: no tolerance band, 20% ? Click to expand... Yes, and if you were my age and played with resistors as a teen (think "My Sweet Lord" on the radio) you wouldn't have to ask! Oh my, control room porn: https://www.youtube.com/watch?v=SP9wms6oEMo
PRR Well-known member Joined Jan 30, 2010 Messages 11,143 Location Maine USA Sep 14, 2018 #14 > no tolerance band, 20% ? It is a Silvertone, not a Silver Tolerance. 20% was still available. And probably extra-cheap as old stock was cleared. The brown-turd cap is also familiar to oldsters.
> no tolerance band, 20% ? It is a Silvertone, not a Silver Tolerance. 20% was still available. And probably extra-cheap as old stock was cleared. The brown-turd cap is also familiar to oldsters.