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Granger SBVA-300

#21
granger_sbva300_01_full.jpg


someone should add this amp to the "200+ watt tube amp" thread.

http://www.talkbass.com/forum/showthread.php?t=560637&highlight=200+watt+tube+amps
 
#25
sickest beast said:
Thats the idea I got as soon as i read it was "based off a Weber design"

Do you think they just buy ML200 kits and dress them up & charge another $1000?
Click to expand...

yep. that's what i think that they're doing. and i don't think that they added 100 watts either. 6 KT88's should put out 300watts or thereabouts. the Weber AB200 is probably just underated power-wise.
 
#28
MIJ-VI said:
IMO the natural beauty of tube glow would be more than enough. There's no need for the light show...
Click to expand...

i agree. i prefer less visual bells and whistles too. if i buy and build one i would make it to look more like a marshall head (i.e dark green tolex with a gold front panel, and would probably build the head cabinet myself.
 
#31
Just wanted to bump this because I saw their video on youtube.

So is this amp really "hand wired"? $1799 for a hand wired amp seems like an incredible price especially considering what Ampeg is charging for the Heritage SVT.

Also their M100 SuperPlexi sounds effing INCREDIBLE.
 
#32
The sounds clips on their website sound really good, especially with headphones. To my 54 year old ears, the tone of this amp sure sounds alot like an old blueline SVT. Niiiice!:D

(For clarification, I am referring to their sound clips, not the lame YT vid.)

And ya gotta love the 55 pound weight compared to an 80+ pound SVT.

The Weber kit costs around $800. So, in essence, you are paying another grand for the labor to put it all together for you. $1800 for a hand wired all-tube 300 watt 55 pound amp with this kind of tone? Yessssss!!:bassist:
 
#33
Yeah, with the kit around $800, a grand for labor isn't bad at all. There is a lot of work involved in putting these things together. The trannies are from China; (they and subsequently the AB200 kit) have been out of stock for some time on the Weber site. A lot of the Weber components aren't the greatest quality, but a lot of folks have substituted better quality pots, jacks, etc. with good results, and Granger's build looks very well done.
 
#34
johnk_10 said:
yep. that's what i think that they're doing. and i don't think that they added 100 watts either. 6 KT88's should put out 300watts or thereabouts. the Weber AB200 is probably just underated power-wise.
Click to expand...

Yeah, the AB200 is a pretty conservative build, and the trannies were made to put out 300 watts.
 
#35
Hi guys. I was referred to this thread by a bass player friend. Thanks for the interest in the SBVA-300 amp! Just a few things to add/clarify:

1. The design is based on the Ted Weber circuit, and we've never tried to hide that, but we don't simply "build you a kit." We use their chassis, cap cans, and transformers (only because a custom, US made 300W Xformer set is about $600, so the price would go up proportionately), and ceramic sockets. Everything else we replace, and use handbuilt turret boards, switches, pots, Teflon and topcoated 1000V wire, signal caps, most resistors, and faceplates. The Weber design doesn't have a DI either. One of the coolest ideas Ted has was the individual bias pot per tube, and the LCD display. Makes biasing a breeze.

2. We can do the amp without the CCFT lighting (and have).

3. We consider all custom requests, and usually end up customizing most orders in some way.

As someone stated earlier, the EL34 is simply a driver for the power amp, and definitely lends to a natural compression effect.

There are 4 of the SBVA-300s being used in gig situations. We built the first one in 2009, and so far there are no issues with the transformers or anything else (knock on wood).

We're also in the planning stages of prototyping a smaller 150W bass amp, and always interested in getting feedback from the guys who know what they're looking for in an amp. Best way is email from our website contact page.

Thanks, and Happy holidays!
Curt
GrangerAmp.com
 
#39
grangeramp said:
Hi guys. I was referred to this thread by a bass player friend. Thanks for the interest in the SBVA-300 amp! Just a few things to add/clarify:

1. The design is based on the Ted Weber circuit, and we've never tried to hide that, but we don't simply "build you a kit." We use their chassis, cap cans, and transformers (only because a custom, US made 300W Xformer set is about $600, so the price would go up proportionately), and ceramic sockets. Everything else we replace, and use handbuilt turret boards, switches, pots, Teflon and topcoated 1000V wire, signal caps, most resistors, and faceplates. The Weber design doesn't have a DI either. One of the coolest ideas Ted has was the individual bias pot per tube, and the LCD display. Makes biasing a breeze.

2. We can do the amp without the CCFT lighting (and have).

3. We consider all custom requests, and usually end up customizing most orders in some way.

As someone stated earlier, the EL34 is simply a driver for the power amp, and definitely lends to a natural compression effect.

There are 4 of the SBVA-300s being used in gig situations. We built the first one in 2009, and so far there are no issues with the transformers or anything else (knock on wood).

We're also in the planning stages of prototyping a smaller 150W bass amp, and always interested in getting feedback from the guys who know what they're looking for in an amp. Best way is email from our website contact page.

Thanks, and Happy holidays!
Curt
GrangerAmp.com
Click to expand...

Is it going to work if you switch in EL34 functional equivalents, like KT77 and will it affect tone? New valve rolling scope.
 

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