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Blackheart Killer Ant Head

tfarny

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This arrived yesterday, and I just sat down with it for the first time...these are brand new to the market, as far as I know. They cost about as much as a decent overdrive pedal, so it's pretty hard to turn down. Not only that, but with the line out on my attenuator, I can use it as an OD pedal into my "big" 5w little giant! It's a 'fractional watt' amp using 2 12ax7s - one as as power, one as pre.

Construction: Extremely solid from the outside. Haven't had the chance to open itup.

Sound: With the stock chinese tubes, it starts to break up very early, around 9:00, at a pretty low volume. At that level, it's clean on the bridge pup with the volume down a bit, switch to bridge and full volume and you get a bit of grit and compression.
If you are an apartment dweller like me, that's a great thing. 12:00 is approaching classic rock OD territory already. I think it loses character beyond about 2:00 but others may differ on that. Volumes are very manageable - I still need to use the attenuator if I crank it and crank my guitar volume, but not so much that it affects the character of the sound.
This thing tends to the 'creamy' thick side. I'd say the easiest sound to get out of it would be a 'sunshine of your love' thing. That's with my warmoth LP, jazz neck pickup and PG bridge - I'm not a huge fan of the PG, because I think it gets shrill too easily, but with this amp that doesn't seem to be a problem.

In the next few days, I'll do some tube swapping - I've got an EH, a Jan 5751, and a tung sol I can play around with. I may order a couple more just to mess with some different stuff, and to try a 'matched' set.

Initial impression: a VERY good deal. This thing is going to get me recording full-on natural tube overdrive sounds in my apartment, and costs less than some boutique pickups.
 
Aww, it's so cute.  I've been waiting for a review of this thing to come out.  Thanks tfarny, I may get one.  :icon_thumright:

By the way I don't think it makes sense to get "matched" tubes if one is the preamp and the other is the power amp.  Can you even get matched 12AX7s?
 
If I was going to tube swap that amp I'd make sure to get an ECC83, 7025 and 12AT7 to mix and match with...
 
Wana, what $139 all-tube 'metal' amp are you comparing it to? It does definitely get very overdriven, I don't have any way to really say whether it's metal-friendly or not. It definitely gets a cool marshally-type OD sound going, and if I recall correctly, there were a few metal guys that used to use Marshalls once in a while.....with a high-gain pickup and the right tubes, this might do metal, I don't know.
I'll give a fuller report over thanksgiving weekend after checking out some different tube combos.
 
I think that you need more than one preamp tube to get the type of circuit that Wana is after.  For the crunched out monster of distortomatic he sounds like he wants, the signal through the first tube is actually in parallel (both side of the tube - same signal), and then combined so that the next tube in line clips the monster and it has more or less double the gain at that point than a regular cascade of tubes.  So to pull it off you need two preamp tubes.

That being said, it would seem to be easy to accomplish with a cheap boost pedal and the Killer Ant Head.  Kids these days...
Patrick

 
To get REALLY metal sounds out of a single-channel amp like this you probably need a stomp box.  I don't need to try it to know that a distortion pedal going into that thing is gonna sound sweet.  :)
 
Back of the amp says it's rated 1w rms, but the manual says 0.25w RMS.

Preamp is 1.5 of the 12ax7s, the power amp is the other 0.5. I don't know how exactly that works, i'm just passing along info.

Short version: This is a great, great, great amp for bedroom / apartment rock and roll and home recording, and useless for anything else.

Favorite tube combo, of the ones that I've already got, is the EH12ax7 in V1 and the Tung Sol 12ax7 in V2. This setup gives you less overall volume than the stock tubes, and greater 'range' of overdrive. What I mean is that it's already getting gritty at 9:00, by 12:00 it's well into some heavy blues and classic rock territory, and dimed out it's dripping with OD but still really musical and great. With a metal-type distortion pedal in front of it, you get some serious wailing.  A "hell's bells" level of OD comes around 2:00 with my LP and no effects. It LOVES my LP and the P90 in my tele, but hasn't really bonded with the strat yet. I'm playing it into my avatar open-backed cab with one Celestion V30.
I'm going to buy a lower-gain 12at7 and a mullard and see what what kinds of sounds I get with those.
I'll try and post a sound clip over the weekend if I can get the wife out of the house...
 
dbw said:
To get REALLY metal sounds out of a single-channel amp like this you probably need a stomp box.  I don't need to try it to know that a distortion pedal going into that thing is gonna sound sweet.  :)

Seymour Duncan Twin Tube Mayhem

Haven't tried one, but it seems the most death metal pedal out there that can also do vintage rock sounds. I want one and would happily trade my crybaby for one.  :toothy11: I know it's not as valuable.
 
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