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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Sun Dec 30, 2012 9:45 am
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That is a crazy cool table top radio! A friend and I restored a 1956 Telefunken Opus 6 home STEREO ( :!: ) back in 1990s. These units (and old Magnavoxes) have the best tone.

Image

Image



As for GZ34 rectifiers. I really recommend the Philips ECG mil spec mislabeled 5V4GA. There are several ppl I know of that are now using this rectifier with no issues. In stock amps. No rewiring, adding of solid-state diodes, etc. At $60, really not bad for what appears to be a tube made from same stock and jig as the famous Sylvania big bottle 5AR4.

Just my opinion...

http://www.ebay.com/itm/5AR4-Rectifier- ... 5889ea818b

https://www.tubeworld.com/5ar4.htm#5ar4usa


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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Sun Dec 30, 2012 9:51 am
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Wow Beemer the chassis (tube layout) looks identical !
I just sent you an e-mail with the stereo in it

I'll remove the back and show ya the guts later

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1968 Bandmaster with 2X12 cab C-rex speakers
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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Sun Dec 30, 2012 9:59 am
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Ok... be interested. Many Grundigs and TFK shared chassis in the 1950-early 60s.

BTW... that Motorola is running without a power tranny (50C5 and 35W4 tubes). If you add up the tube's heater components (12 + 12 + 12 + 50 + 35 ) you get 130 VAC! So, if the tubes are in SERIES --- you don't need a PT.

Problem is, this is a shock and fire hazard that is no longer legal (really hasn't been legal since early 1960s). If you plan to run the unit, look for a good Hammond 1:1 isolation tranny to keep the circuit isolated from the wall outlet. Just a note of caution!

Good luck with the unit. :mrgreen:


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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Sun Dec 30, 2012 10:32 am
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here be the guts

Image

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Keepn' the Blues Alive

2004 50th Ann. Limited edition AMSE Stratocaster
2017 50's Baja Telecaster BSB

1968 Bandmaster with 2X12 cab C-rex speakers
VHT Special 6 Ultra combo

Visual Sound Route 66
Cmatmods Signa Drive


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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Sun Dec 30, 2012 11:43 am
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Very cool old radios guys. :D

BMW2002Ti wrote:
...BTW... that Motorola is running without a power tranny (50C5 and 35W4 tubes). If you add up the tube's heater components (12 + 12 + 12 + 50 + 35 ) you get 130 VAC! So, if the tubes are in SERIES --- you don't need a PT.

Problem is, this is a shock and fire hazard...


Yes, and couple that with the fact that the chassis metal foot is connected to one side of the line voltage, depending on which way that you insert the two-prong plug the chassis will be hot or neutral. :shock: I marked that side of the cord to be sure to plug it in so that side is into the neutral. The warning label on the bottom says "Do not connect the chassis to water pipe, radiator or other ground." :lol:

One of my B&H amps is the same, no PT and heaters in series.

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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Sun Dec 30, 2012 11:46 am
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Blues, very cool! BTW... I believe that four pin mini-DIN connection is for auxiliary input.

Here's a site I like, for these treasures:

http://antiqueradio.org/grundig940w.htm


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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Tue Jan 08, 2013 1:25 pm
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Bringing this back to a more Bandmaster type thread

Here is a little sound clip
Reverb set on 2
Route 66 (compressor only)
50th Strat

https://www.box.com/s/f2w0468tb8koz421evzu

Remember not a rock star, just having some fun with my guitar 8)

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Keepn' the Blues Alive

2004 50th Ann. Limited edition AMSE Stratocaster
2017 50's Baja Telecaster BSB

1968 Bandmaster with 2X12 cab C-rex speakers
VHT Special 6 Ultra combo

Visual Sound Route 66
Cmatmods Signa Drive


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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Tue Jan 08, 2013 3:17 pm
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Blues, Sounds very Bandmaster "clean." Nice tone & fingerwork.

Just a suggestion... could you do some chord change stuff. I like to do intro to "SWLABR" (ok not as fast as EC) or "I Fought The Law" to test amp's response to chord changes.

I use open chords. Prolly not correct. But, can get kinda close.

Anyhow, nice sounding amp, for sure.


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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Tue Jan 08, 2013 3:40 pm
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Thanks !
I'll put something together for ya, some good old hillbilly chord changes
It gets bouncy and sounds pretty cool to me.

Keep in mind I'm a compressor junkie :mrgreen:
Looking for straight up amp sounds ?

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Keepn' the Blues Alive

2004 50th Ann. Limited edition AMSE Stratocaster
2017 50's Baja Telecaster BSB

1968 Bandmaster with 2X12 cab C-rex speakers
VHT Special 6 Ultra combo

Visual Sound Route 66
Cmatmods Signa Drive


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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Tue Jan 08, 2013 3:45 pm
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https://www.box.com/s/l6b33kc1qxf4fc6v570v

This was the link I was trying to send, a bit longer with more of a mix of styles with the amp

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Keepn' the Blues Alive

2004 50th Ann. Limited edition AMSE Stratocaster
2017 50's Baja Telecaster BSB

1968 Bandmaster with 2X12 cab C-rex speakers
VHT Special 6 Ultra combo

Visual Sound Route 66
Cmatmods Signa Drive


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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Tue Jan 08, 2013 5:15 pm
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Chris, that amp has really nice sustain. How's the sustain without compression? Bet you can get it to feedback on command. That's how the last SF BMR was that I had.

Yeah, I like chords to hear the harmonics. Overtones, what-have-you. Amps with solid-state rectification have a different signature harmonic overtone than tube rectified. With my old ears, at least. Sometimes good to have stiff PS, sometimes good to have that sag. A nice 5U4GB almost lets the tone die for a split second, then it comes back with great overtones.

SS gives you that powerful bass driven overdrive tone. Really nice for rhythm, bright lead work.

Nice amp. Very giggable. The guy who I sold the BMR head to, uses it all the time. And he does mostly Progressive stuff. It really blows away any Line-6 unit he is up against. Tone just breaks through all the mud. Tons of character, you can really hear --- even in the worst YT clip. Through crappy computer speakers.


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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Tue Jan 08, 2013 5:48 pm
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I will do a straight guitar to amp recording tomorrow
(heading for jail right now)

I love that shirt pocket recorder ! DR-05 I think is the model

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Keepn' the Blues Alive

2004 50th Ann. Limited edition AMSE Stratocaster
2017 50's Baja Telecaster BSB

1968 Bandmaster with 2X12 cab C-rex speakers
VHT Special 6 Ultra combo

Visual Sound Route 66
Cmatmods Signa Drive


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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Wed Jan 09, 2013 2:36 am
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Chris, gonna have to look into that recording box. Here's another easy ditty to test reverb and vibrato of the amp. I crank the vibrato intensity up high and the speed on the slow side. Mid-touch of verb. Great vibes with my brownfaced Pro or any of my VCs. With stand-alone reverb unit (6G15). I use the neck pup, only, on the LPS (496R) and crank guitar knobs to taste. :D

I don't know what Page used for his recorrding amp. I know he had his black Gibson LP Studio, on these early Them/Van Morrison sessions. Three chord wonder. Sure sounds Fender amp, to me.


http://www.youtube.com/watch?v=MzMZGL-Z2E4


Thought I'd add this oldie, because What The Heck?

http://www.youtube.com/watch?v=65CqDLURZrQ


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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Thu Jan 10, 2013 2:11 am
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OT...Hey Chris! Been messing with a Ricky 12-360 for a while. I've been gettin' info from the Ricky guys to use a Jangle Box. Now, I'm not a guy who will put a box between the guitar and the first tube it sees. So my question would be: will a compressor be any good between a stand alone reverb unit and the amp? I use a Genz Benz for practice, but the real deal is the Fender tube amps. Thanks, Art

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Post subject: Re: My '68 Bandmaster Reverb now blowing fuse, GZ34 is Arcin
Posted: Thu Jan 10, 2013 9:41 am
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Got crazy busy again !
Any way, i didn't tell you guys what speakers where in the cab when I made the recording the other day.
The cab is a front ported Ear Candy cab 2x12 with one Swamp Thang and one Tonker
The Swamp Thang has such a HUGE bass sound that it knocks stuff off the walls at volume level 3 with the bandmaster.

I still owe beemer a recording of chord changes.
I do have another closed back non ported 2x12 that has a pair of C-rex 12"s
I generally use it with my Rebel 20 for a sort of tweed sound.

_________________
Keepn' the Blues Alive

2004 50th Ann. Limited edition AMSE Stratocaster
2017 50's Baja Telecaster BSB

1968 Bandmaster with 2X12 cab C-rex speakers
VHT Special 6 Ultra combo

Visual Sound Route 66
Cmatmods Signa Drive


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Profile
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