Hot Tube Amps Deals!

FullRangeMan · « **on:** 26 Mar 2017, 05:41 am »

KT150 is a great sound tube, its a noname(unreadable) SE Triode 13W UL 25W, no PCBs, some resistors are 5% precision, most components are chinese/noname, 20kg, $799 seems legit

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https://pt.aliexpress.com/item/KT120-KT150-vacuum-tube-amplifier-single-ended-Class-A-power-amplifier-UL-TR-switch-BIAS-adjustment/32459475648.html?isOrigTitle=true

Don_S · « **Reply #1 on:** 26 Mar 2017, 04:21 pm »

Interesting design concept. Doe anyone know of a similar product from a more recognized manufacturer?

mca · « **Reply #2 on:** 26 Mar 2017, 04:32 pm »

Cary founder Dennis Had is building and selling these on Ebay.

http://www.ebay.com/usr/radioman731?_trksid=p2047675.l2559

Don_S · « **Reply #3 on:** 26 Mar 2017, 04:51 pm »

Quote from: mca on 26 Mar 2017, 04:32 pm

Cary founder Dennis Had is building and selling these on Ebay.

http://www.ebay.com/usr/radioman731?_trksid=p2047675.l2559

Thank you.

Big Red Machine · « **Reply #4 on:** 26 Mar 2017, 05:03 pm »

If you have efficient speakers, maybe. Had one and it was nowhere close to powering the 92 db uppers of my speakers. 30 watts in those might be better. For you guys with high efficient speaks you might enjoy them.

opnly bafld · « **Reply #5 on:** 26 Mar 2017, 05:30 pm »

I have a 10 watt KT88 (runs 5-12w depending on tubes used) Inspire SEP amp that works for me with ATC SCM11v2 at 85 dB 1w/1m, but I would recommend @ 90 dB speakers.

5 watts per channel - 6V6 output tubes and 5Y3 rectifier tube
    7 watts per channel - 6L6, KT66, 5881 output and 5U4 rectifier
   10 watts output - KT88, EL34, 6550, KT99, KT120, KT150 output and 5U4/274B    rectifier
   12 watts output - KT88, KT120, KT150 and 5AR4 rectifier

FullRangeMan · « **Reply #6 on:** 26 Mar 2017, 06:01 pm »

This HotRod is a great amp especially w/the KT150.
I just dont liked the chassis is too small, not easy work inside this amp.

danabunner · « **Reply #7 on:** 2 Apr 2017, 06:31 pm »

I have a slightly larger Dennis Had amp. Came standard with KT88 tubes, I generally run KT120s but use several others too. This amp has larger output transformers (20W) than the standard Inspire KT88. It is rated at 17wpc with KT88s.

FullRangeMan · « **Reply #8 on:** 2 Apr 2017, 06:47 pm »

Wow beautiful amp, what are your impressions on the sound quality?

roscoe65 · « **Reply #9 on:** 2 Apr 2017, 09:53 pm »

Quote from: FullRangeMan on 2 Apr 2017, 06:47 pm

Wow beautiful amp, what are your impressions on the sound quality?

I have a similar amp (15 watt transformers, runs a lower voltage). Absolutely fantastic amp, especially for the price. Does not sound romantic. It is quick and punchy with good bass. It really responds well to tube rolling. It is all point-to-point and uses great quality parts. The current version uses a more advanced power supply and is even better. Dennis currently uses Jantzen Silver Zcaps as his choice, though you may be able to squeeze in Jupiters if you wish. It does not sound romantic or tubey, but it also does not sound like a solid state amp. It is not a super high gain amp, so it works better with a preamp. Dennis also makes a triode preamp (LP-27a - which uses 27 or 56 tubes with a 6SN7 cathode follower) that in my opinion is the real star of the show. His current "big" amp is the "PSE" - a parallel single ended stereo amp that puts out 10-20 wpc depending on output tubes. I have one as well and it is a real killer with KT77 tubes.

It should be noted that all of Dennis' amps can run whatever tubes that will fit in the output sockets, even with adapters. People generally run them with 6V6, KT66, 6L6, KT77 or KT88 tubes. In the PSE you don't even have to run the same tube type in the same channel due to the bias supply layout. If you wanted to, you could run four completely different output tubes and the amp wouldn't care, though there is no guarantee that it would sound good.

FullRangeMan · « **Reply #10 on:** 2 Apr 2017, 10:00 pm »

Thankyou Roscoe for your impressions.
Do you have listen the Dennis 807 amp?
Do you would comment the SQ?

opnly bafld · « **Reply #11 on:** 2 Apr 2017, 10:12 pm »

I had an Inspire Sweet 807 amp a couple of years ago paired with Omega Super 3i speakers.
Very similar sound to his current amps.

FullRangeMan · « **Reply #12 on:** 2 Apr 2017, 10:49 pm »

Quote from: opnly bafld on 2 Apr 2017, 10:12 pm

I had an Inspire Sweet 807 amp a couple of years ago paired with Omega Super 3i speakers.
Very similar sound to his current amps.

May I ask why do you sell the amp?

opnly bafld · « **Reply #13 on:** 2 Apr 2017, 11:26 pm »

I sold the speakers.

At the time I had 6 tube amps and decided to sell most of them.

FullRangeMan · « **Reply #14 on:** 2 Apr 2017, 11:29 pm »

The 807 amp was well detailesd and tube warm?
How much NFB it used?

Freo-1 · « **Reply #15 on:** 2 Apr 2017, 11:30 pm »

Quote from: opnly bafld on 2 Apr 2017, 10:12 pm

I had an Inspire Sweet 807 amp a couple of years ago paired with Omega Super 3i speakers.
Very similar sound to his current amps.

I very much like the sound from the 807 tube. I've got 1625 mono blocks (a 12 volt 807), and it's a stout, reliable, and great sounding tube.

They don't make them like that anymore.

opnly bafld · « **Reply #16 on:** 2 Apr 2017, 11:54 pm »

Quote from: FullRangeMan on 2 Apr 2017, 11:29 pm

The 807 amp was well detailed and tube warm?
How much NFB it used?

Yes, No
I don't know, but after I got it he had me cut out a couple of parts that IIRC reduced feedback to increase detail.

FullRangeMan · « **Reply #17 on:** 3 Apr 2017, 12:16 am »

Quote from: opnly bafld on 2 Apr 2017, 11:54 pm

Yes, No
I don't know, but after I got it he had me cut out a couple of parts that IIRC reduced feedback to increase detail.

Not sure I get it

opnly bafld · « **Reply #18 on:** 3 Apr 2017, 12:26 am »

You asked 3 questions.

Detailed? Yes
Tube warm? No, if you mean overly warm.
Feedback amount? IDK, not a lot.

FullRangeMan · « **Reply #19 on:** 3 Apr 2017, 12:48 am »

Oh nice thankyou.
Its know that 807 need NFB, so each builder use according its circuit.