[DavidA]

  Problem is, the list of fully closed-back cans that don't have severely compromised SQ in one way or another (congested, echo-ey and generally closed-sounding, and/or basshead type cans that don't appeal to me) is already somewhat short, and only a fraction of those that don't suck are in the high impedance category.
 
One that I've always been curious about is the Beyer DT-150. A bit industrial looking, but seems to have a cult following as a not-too-closed-sounding headphone, never gotten to hear a set myself though.

 

 
I think beyer is your only option for close, high impedance cans.
 
I've heard fantastic things about the 150. If you can get over its looks, it's supposed to be awesome. 

​The DT-150 is the closed version of a HD650 and it does sound quite good but I've only heard it twice but both times it has impressed me.

 

[Allanmarcus]

 

  Problem is, the list of fully closed-back cans that don't have severely compromised SQ in one way or another (congested, echo-ey and generally closed-sounding, and/or basshead type cans that don't appeal to me) is already somewhat short, and only a fraction of those that don't suck are in the high impedance category.
 
One that I've always been curious about is the Beyer DT-150. A bit industrial looking, but seems to have a cult following as a not-too-closed-sounding headphone, never gotten to hear a set myself though.

 

 
I think beyer is your only option for close, high impedance cans.
 
I've heard fantastic things about the 150. If you can get over its looks, it's supposed to be awesome. 

​The DT-150 is the closed version of a HD650 and it does sound quite good but I've only heard it twice but both times it has impressed me.

Well, the seller has a smoker is hm home, so I passed on the sale.
 
Also, I really really don't like the HD650, yet I like the signature beyerdynamic signature. I'm pretty surprised that the 150 and 650 sound alike, but it they do, it's good for me that passed. The HD650 is so dark to me, I cannot imagine using it with my crack, which has some darkish tubes.

 

[HiddenFatKid]

I feel that man, I like a darker sound signature, but not too dark. Im coming from Hifiman HE-400's, so im trying to expand my tastes and i just fell in love with the 600's like most people do, but if the DT-150's have the sound signature of the 650's or close to the HE-400's, that might be an insta-buy for me. If i do end up getting them, it would be in the summer, but i could try and post my impressions too, i'm not that sound-savvy, but i could try my best, it'd be my frist review/impression 

 

[Paladin79]

I have about a month to catch a deal on high impedance headphones before my Kit arrives so I will have a little time to build up cash reserves for either Sennheiser or Beyerdynamic. Happy St.Patrick's Day!!!

 

[Rewrap]

So I just got a pre-built Crack w/ Speedball and a bunch of tubes to use my HD 600 with. I'm seriously looking forward to listening to it. Is a Modi 2u enough as a DAC to use with it? 
 
Tubes include:
 
Power tubes: 1959 Chatham / Tung Sol 599 and Chatham 6AS7G
 
Driver tubes: Philips Miniwatt E80CC, Siemens ECC82, and J J ECC82 

 

[Tom-s]

I was very happy with the Modi 2U / Crack combination

 

[MIKELAP]

Got a question, would you guys know what is the Crack power tube  socket and driver socket maximum heater voltage  rating would it be 3.0A for power tube and .50A for driver ? Thanks 

 

[Tom-s]

It's a total of 3.5A rating indeed for the power transformer.
The relative currents don't really matter. 
A 6080 tube runs @ 2.5A heater current. 
So that's 1A to spare for the driver tube (the driver tubes for Crack i know of don't exceed 0.8A).
 
Using 2 6BL7's (6BX7) in parallel (2x 1.5A) you can use up to 0.5A for the driver tube.

 

[MIKELAP]

  It's a total of 3.5A rating indeed for the power transformer.
The relative currents don't really matter. 
A 6080 tube runs @ 2.5A heater current. 
So that's 1A to spare for the driver tube (the driver tubes for Crack i know of don't exceed 0.8A).
 
Using 2 6BL7's (6BX7) in parallel (2x 1.5A) you can use up to 0.5A for the driver tube.

 

[ProfFalkin]

So what your saying is that this 6BL7 adapter would work in a Crack
                                                                                                                                            

Why would you want to?

 

[MIKELAP]

Just trying to find out what i can and what i cannot do with this amp 

 

[i luvmusic 2]

Hey Mike at parts connex10n 6080 US$4.50 each no need for the adapters i just got 12 of them.

 

 

[MIKELAP]

  Hey Mike at parts connex10n 6080 US$4.50 each no need for the adapters i just got 12 of them.

 

I am already using these adapters with the 6BL7in my WA22 so if it works might as well put them to use .Thats a really  good deal. Got plenty of power tubes they will outlast me i afraid .

 

[ProfFalkin]

Just trying to find out what i can and what i cannot do with this amp 

Fair enough. I didn't know if it offered any benefit, so I thought I'd ask. Cheers

 

[MIKELAP]

 

Just trying to find out what i can and what i cannot do with this amp 

Fair enough. I didn't know if it offered any benefit, so I thought I'd ask. Cheers

Just tried this Double 6BL7 ADAPTER DOESNT WORK IN CRACK AND A SINGLE TUBE EITHER