Power Amplifiers

I have a Adcom GFA-555 amp still in use since 1989. Great sound. Super base.

My main amps are based on a pair of Altec 1569A monoblocks.  The peerless transformers remain, it was totally gutted and expanded into a 125w. voltage regulated (not ultralinear, triode or pentode type) amp with low global feedback and twin 3" X 7" electrolytic storage caps. 

My other audio system has a Dynaco ST70 but with new huge storage cap, terminals, RCAs, SS rectification (kept the 5AR4 tube for slow start-up) and is transformer tapped to voltage regulated type use.  It has outlandishly stunning bass compared to a stock unit and reduced global feedback.  Both systems use SR blue fuses.

My two video systems (75" Sony 900 series) use 1978 Yamaha CR-620 receivers.

I have a space EAR 890 as backup but it's not in the same class as my main amps but is a very similar sounding amp to my Dynaco ST70.  

1999 Plinius SA100Mk3  Ralph Abramo of Galbo Design www.pliniusrepairs.com (pliniusaudiorepairs@gmail.com) His upgrading is transformational. 

1998 Plinius M16 pre originally owned by Gary Morrison, ultra tweaked… eventually to be upgraded per above. Call Ralph!

Since Ralph did his Deluxe Mod Upgrade on the amp there is a juicy difference which will keep this duo in my rack another 20+ yrs, when I turn 95! Dynaudio C1 Signatures never sounded so good and prior ProAc 2.5s would have loved it. What fun! Jazz Lives!

Aragon 8002 with the Aragon 24k. Great combo. Love the dual outputs.

I should have mentioned I also have the Aragon24k
i’m using PS Audio power cables for both Amp and Pre amp

I meant to say I'm using the Aragon 28k not the 24k that I did have at one point. I do have a PS Audio power cable but not on the Pre amp or Amp.

The most “classic” amp I’m using in one of my systems is a Scott LK-150 (1961-64). It’s essentially stock (restored, but not modified), and performs as well, or better than any “modern” amp I’ve compared it to! Pretty amazing! I’m also using a Music Reference RM-10 from the mid 90s in another system. This amp is also amazingly good! I love ‘em both. 

I've got a mc250 & a HK twin powered receiver both about 50 years old and going strong and sounding great.

Is my BEL mk V old enough time be considered a classic?  That might scare me.  But it wouldn’t be the only thing that’s made me feel old, lately.  

I own a 1992 McCormack DNA 1 Deluxe (purchased used in 1998 for $1100 and upgraded twice by SMc Audio) that works well with low impedance speakers. It is on the warm side of the SS spectrum. Has never been "serviced" beyond upgrades to Gold then Platinum level. Not as cool sounding as Levinson, Krell, Ayre etc. More in line with Classe, Bryston, Belles. With the transformer upgrade, it will provide high current and not sound harsh when driven hard. Very reliable and reasonable cost for very high sound quality.

I had virtually that same amp, right down to the upgrades. Mine was purchased newer (92 or 3 I think) and it is one fine sounding amp. Virtually as good as a good tube amp, which is high praise indeed coming from me. Very hard to beat for the money.

Here’s a few blasts from the past....
main system.....  new stuff not worth mentioning,,, very tweaky though. 

“Other” main system 
Yamaha C1pre, (2) B1amps.. 
Audio Research Crossover 
Magnepan T4
Nakamichi TX1000 turntable 
Nakamichi 1000P AD/DA 1000MB disc 1000DAT tape
SUPEX MC cartridge
Technics 1500 Tape (with J-Corder upgrades)
OPPO 205 disc
Pioneer DVL919e Laser Disc
various Straightwire & MIT Shotgun cables

i must say however, that it is not always a complete system working all of the time.  
2nd system
GAS Thaedra pre.. (2) GAS Grandson amps.. GAS “The Bridge”transformer.. Charlie The Tuner.. (all reference upgrade by Mike B, originally “GAS WORKS”)
Magnepan MG3r.. 3 M&K MX70b subwoofers
Nakamichi Dragon CT table
Revox B77
Denon 5900 disc

I have a GAS Godzilla that’s dead, just haven’t got around to getting it fixed.  Several (working and dead for parts) Yamaha B2 amps, with a C2x pre,  As well as a pair of B&W Matrix 800s. 
For those of you screaming BS (I would too), let me say, I owned a hi-fi store from 1980 until 1996, when my business partner embezzled almost everything. We were dealers at one time or another for all the brands above. When most of these pieces were on the floor for quite a while, I made the executive decision to take them home. ( I did reimburse the store for cost+shipping)

Conrad-Johnson MF-2100, Quad 405-2, Nikko TRM-750. The C-J is in original condition, the Quad has been upgraded/modified and the Nikko recapped. If I want tube sound, I also have the Harman Kardon A230 integrated and the Scott 340B receiver, both restored. 

I would like to know if anyone can help me decide that has knowledge of power cables and interconnect cables, its been a long time I am looking at hurricane HC 15a and the Reveal power cables.
for the interconnect I am looking at the High Fidelity CT-2 RCA,
and Audio Quest Colorado special edition RCA.
with the wisdom of the forum which of theses cables would be the best 
I know this is not the subject on the forum any help would be apparated.
Thank You 
HG      

McIntosh 2100 coupled with B&K preamp still works as a magical combo with Rogers speakers for me against many other receivers, amps and speakers in my collection. For me it's all about clarity, accuracy and sound.

Mark Levinson NO 336. I will never need another amp.......

i had a 'phase linear 400' i bought new back in the mid 70's! it cost 499.00! 'fried' my bose 901's! got rid of it in 2000! now i have a mcintosh mc602 amp!!

I find myself in a pickle.  Been on a massive sell off fix lately attempting to get back down to one system.  Ha,  I know I know.

Anyway, it’s a stereo receiver so I’m not sure it qualifies.  I’ve been reeling in the sensational sounds coming from my ancient but pristine Sansui 3300.  It’s what I am down too now having rid myself of six preamps and ten amplifiers and two receivers.   I know its cap coupled, but pure magic.  Yes, fully recapped.

Great post.

Mcintosh MC225 (1964) never touched, still great.

Regards

I still have a Carver Lightstar Direct Preamplifier and Reference Amplifier that I take out occasionally and use in my system. Before I sold my house I had room for a second system and used it with a pair of Martin Logan Aerius speakers. They drive my Harbeth's well also. They still sound amazing together.

RGR model 5, B&K 4420.