Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12) x

Thread Closed
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Philco 41-608 Volume and tone control function ++
#1

Hi,

In restoring this radio, I had to replace both the volume and tone (Bass) controls. The tone control calls for a 6 meg
but was able to get only a 4 meg. The volume control is a 2 meg with a 1 meg tap which is the same as original.
Since the radio didn't work hardly at all before, I don't really have a comparison available but was wondering if what
I am noticing is normal.

The volume control seems to have an area around the middle of it's travel that makes the tone change to a much
more treble sound... higher pitches, and then back to a more normal tone as it reaches maximum.

Also the tone control starts out with the sound being a bit flat... mostly midrange tones, then increase to a very
prominent treble sound... high pitches, and then finishes off with more normal sound with a bit more bass at max.

These seems a little erratic in that the volume control seems to also be changing the tone and the tone control is
not a very linear change but rather a flat to treble to bass action.

Is this typical or what is anyone's thoughts on this behavior?

When I reach the more bassy end of the tone control, it often makes the audio very muffled and probably distorted.
The speaker seems in pretty good shape. There is no voice coil rub against the core by gently and evenly depressing
the outer edges of the cone. Maybe it is still the speaker or possibly the audio outputs?

A couple more points to ask about ... when finding a distant station that is near the extreme low end of the
AM band, the radio has a varying howl / whistle background sound with the station. So you have to very carefully
try to minimize it or chose the "interference" you can tolerate, by very slightly moving the selector knob.

Question about the "square box" antenna structure that is inside and around the record player. It will rotate
a few degrees inside the limits of the cabinet but I hear little or no change in reception. Wondering what the idea of
this was since there seems to be little or no value (that I'm aware of anyway) and how was one supposed to access
or manipulate this? ... Just by reaching in thru the record player area and getting a hold of it and moving it?

Thanks again for any help,
Harlan Icon_biggrin


Messages In This Thread
Philco 41-608 Volume and tone control function ++ - by Harlan - 01-03-2010, 11:30 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
1949 Motorola 5A9M
This would be the second portable in the "other radios" forum where I have a similar one in my collection. I h...Arran — 12:41 AM
Looking for any info: 1977 Ford-Philco Console Hi-Fi Turntable and Radio
Hi PittsburgTost. The record changer looks like a Garrard or BSR (Likely Garrard). The spindles just pull out and pu...MrFixr55 — 11:57 PM
Looking for any info: 1977 Ford-Philco Console Hi-Fi Turntable and Radio
Hello PittsburghToast , Welcome aboard and it looks like gary may have something for you ! now if I dig through my se...radiorich — 11:35 PM
Model 80 Antenna Issue?
You are kind of on the right path. You can touch the grid cap of the Detector/Oscillator 36 tube. I'm expecting a respon...RodB — 08:48 PM
Looking for any info: 1977 Ford-Philco Console Hi-Fi Turntable and Radio
Welcome to the Phorum, PittsburghToast!  I found an old thread that my interest you regarding the quality and worth of P...GarySP — 08:48 PM
Looking for any info: 1977 Ford-Philco Console Hi-Fi Turntable and Radio
Welcome to the Phorum! :wave: We do not have anything on that unit in our digital library. There is a Sam's Photof...klondike98 — 08:47 PM
Model 80 Antenna Issue?
I’ve replaced all the caps and resistors and the radio is working but minimal volume unless I put my hand near the re...Hamilton — 08:24 PM
Looking for any info: 1977 Ford-Philco Console Hi-Fi Turntable and Radio
Hi there! this is my first time posting. I recently picked up this Ford-Philco Console record player and radio at a yard...PittsburghToast — 07:28 PM
philco predicta
I found that where I have the 140v B+ there is 50v and the tuner receives 235v through the orange cablecgl18 — 04:14 PM
Philco 91 code 221
Chassis grounds thru rivets is another good place to look. Oh and the stator screws on the tuning cap where the leads at...Radioroslyn — 08:11 AM

[-]
Who's Online
There are currently no members online.

>