Two Quinnamp SDQ1 (PCB) amp clips

[PierreL]

This amp sounds incredible.
I like those clips too :
http://www.youtube.com/watch?v=-a1ZsJkW ... r_embedded

http://www.youtube.com/watch?v=kvFGgLHV ... r_embedded


Make me GAS hard...

[tag101]

This amp sounds incredible.
I like those clips too :
http://www.youtube.com/watch?v=-a1ZsJkW ... r_embedded

http://www.youtube.com/watch?v=kvFGgLHV ... r_embedded


Make me GAS hard...

And he is getting great tones with a Strat into a D style amp. Something I have never been able to do with any Dumble. He must have some magic fingers.

[Structo]

It's a Tele tag.

That is our own boldaslove6789 on those clips.

I like this clip.

http://www.youtube.com/watch?v=Ie5gBGMS ... ature=plcp

[boldaslove6789]

Thanks for the kind words guys! Loving my Quinn 2nd Gen..... Definitely the end all D-style amp for me.

I've made some updates to my amp since then (NOS Parts, Slightly different B+ Voltages too, NOS Glass).

In those above clips the B+ was low as my amp is a Proto and I'm assuming Shad used New Prod tubes when he built it.

The NOS glass I usually use makes B+ drop quite a bit so I've changed it .

Here's what I ended up with now:

V1 150k: 207v
V1 215k: 200v

V2 150k: 205v
V2 220k: 200v

Another thing I've found since tweaking my amp is the brand of 3w Metal Oxide resistors for the dropping string. I've noticed that some of the "Grail" Era Dumble's have a mix between Koa Speer and NTE 3w metal Oxide.

I messed around with changing out different Brands and the Koa Speers sound better Sonically. i don't know what it is about them that's makes them better sounding but IMHO they do.

[tag101]

It's a Tele tag.

DAMN! My parents were right. They told me to much of "that" makes you go blind.

[Structo]

Greg, do you really have 150K on the first stage?

[boldaslove6789]

Greg, do you really have 150K on the first stage?

Sorry Tom, I put that to specify that I'm not using the 150k/220k plate resistor config and instead I'm using 150k/215k.

Droppers are a 9k and a 1k9 for V1/V2.

[vibratoking]

V1 150k: 207v
V1 215k: 200v

V2 150k: 205v
V2 220k: 200v

How can V1 voltage be the same or slightly higher than V2? That implies that that there is no voltage drop over your final dropping resistor ( in which case you really don't need it) or that V=IR doesn't work in your amp or that you have a different power supply topology. What am I missing? Probably something obvious.

[aflynt]

V1 150k: 207v
V1 215k: 200v

V2 150k: 205v
V2 220k: 200v

How can V1 voltage be the same or slightly higher than V2? That implies that that there is no voltage drop over your final dropping resistor ( in which case you really don't need it) or that V=IR doesn't work in your amp or that you have a different power supply topology. What am I missing? Probably something obvious.

I'm by no means an expert, but I believe that different preamp tubes can suck down more current than others changing the plate voltage of that particular stage. I know I've seen that in my #102 build with different tubes.

-Aaron

[boldaslove6789]

V1 150k: 207v
V1 215k: 200v

V2 150k: 205v
V2 220k: 200v

How can V1 voltage be the same or slightly higher than V2? That implies that that there is no voltage drop over your final dropping resistor ( in which case you really don't need it) or that V=IR doesn't work in your amp or that you have a different power supply topology. What am I missing? Probably something obvious.

I'm by no means an expert, but I believe that different preamp tubes can suck down more current than others changing the plate voltage of that particular stage. I know I've seen that in my #102 build with different tubes.

-Aaron

Yes, some NOS tubes can muck with the B+, this has been my expieriencr anyways.

I have the following preamp tubes in the amp now:

V1 Clean: GE short grey plate ECC83
V2 OD: Amperex short plate 7025
V3 D-Lator: Telefunken Smooth plate
V4 Reverb : Mullard branded "sheild" ECC83
V5 Verb Driver: Raytheon 12at7
V6 PI: GE short grey plate ECC83

[Structo]

Didn't Robben Ford do that song, Steppin Out?

I can't find any video of it.

I know it was a John Mayall original.

Here is Greg D Clark playing Steppin' Out.

One of the better versions I have heard.

Wicked jam.
Great lead.

[boldaslove6789]

Didn't Robben Ford do that song, Steppin Out?

I can't find any video of it.

I know it was a John Mayall original.

Here is Greg D Clark playing Steppin' Out.

One of the better versions I have heard.

Wicked jam.
Great lead.

Yeah, its a Mayall tune, but I do the EJ version (well, as close as I can humanly come to it )

http://www.youtube.com/watch?v=XwYa0rZNFBM