It was plugged in and probably in use at one time at the antique store.
All it is, is a Silvertone Console Tuner, and amp Chassis inside a table top cabinet.
It appears to be all original inside.
It was in need of a recap.
This is the Schematic of my amp as found.
It has dual station dials, and indicator lights for being on station (in Mono),
And in Stereo.
I had to replace:
1 - 6be6
1 - em84 with a NOS one from ebay.
2 - 6bq5
The resistor on the em84 eyetube.
all the electrolytics
several resistors on the right channel of the amp (the left all measured good).
There was 1 burned and split resistor in the tuner, and one singed resistor in the power supply.
I blew up a 100uf e-cap in the voltage doubler and had to replace that with a much higher voltage rated one. Seems that the amp originally had a 200vdc cap in the voltage doubler circuit. Why mine blew I do not know. The replacement 450vdc cap works fine. It has a Phono and Tape in. I have a CD player or mp3 player on the Tape In.
For $20+$45 in parts to fix, you can't get much better than that. It sounds really good through my Fisher XP-9C Speakers.
9 comments:
Hi, I may have a chance to acquire one of these and I was wondering how you connected your cd player to the odd tape connector.
Hi, I may have a chance to acquire one of these. How did you connect CD to the odd tape input?
I may have a chance to acquire one of these. How did you connect to the odd tape connector?
I removed the tape connector and fabricated a new board with a 3.5mm stereo jack, then used a headphone connector to RCA adapter.
here is pic https://imgur.com/ST5XG7M
Thanks!
Do you have a larger pic of the schematic for this? I have the amp out of one and would like to see what the voltages from the transformer are in case I want to make a guitar amp out of it. Thanks
the schematic is here: https://www.dropbox.com/s/nf0lhr1gi0kdzqf/SAMS%20silvertone%207407.pdf?dl=0
When it asks you to login or create an account click "no Thanks, Continue to View"
Then Click Download in the upper right corner.
This Silvertone is a really good sounding EL84 PP amp. I'm in the process of rebuilding mine, which I acquired with the original electrolytics & disc capacitors. Thank you for making my job easier by supplying the schematic! God bless.
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