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Old 26th July 2011, 05:15 PM   #51
Dave R is offline Dave R  United States
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just a clarification to post #50. (someone was confused, and thought others might be too)

Only the wood blocks were cut on the table saw and radiused corners on the router.

An over-sized piece of sheet metal was clamped between the finished blocks. The metal only was cut down on the band saw, and then filed down flush to the wood.

A couple shots with the input and output hardware on the back. I'm using different output transformers with 4,8,and 16 ohm taps (hence the "T" arrangement for the binding posts).

Now on with the wiring.
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File Type: jpg rear_out.JPG (116.5 KB, 1162 views)
File Type: jpg rear_in.JPG (122.9 KB, 1150 views)
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Last edited by Dave R; 26th July 2011 at 05:29 PM.
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Old 11th September 2011, 02:25 AM   #52
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This amp is now available for purchase fully built and tested, on request, at the price listed and as shown in the photos. Other RAL colors are optionally available for the chassis and transformer covers at an additional charge.

If you are interested please send a PM. If you are in the NYC area you are welcome to audition the amp in person.
  • Triode or Ultra-Linear Operation - Switchable
  • Supplied with Electro-Harmonix KT88 Output Tubes, NOS Russian 6N1P-EV Driver, & Electro-Harmonix 5U4GB Rectifier
  • Output Tube Compatibilty: KT88, 6550, EL34, 6CA7 - no changes required
  • Custom Transformers & Power Supply Choke - Made in USA
  • Independent LC Plate Supply Filters for Each Channel of Driver Tube
  • No Feedback
  • No Semiconductors
  • Hand-Wired, Fully Tested
  • All Vishay-Dale Metal Film Resistors except Dale Wirewound for Output Tube Cathode Resistor & Chassis Ground Filter
  • Metallized Polypropylene/Oil Power Supply Capacitors
  • Elna Silmic II Output & Driver Tube Cathode Bypass Capacitors
  • Erse Pulse X Metallized Polypropylene Coupling Capacitors
  • Alps Blue Velvet Input Attenuator - 100K
  • Pomona 5-Way Speaker Binding Posts
  • High-Quality Belton Micalex Tube Sockets
  • IEC EMI/RFI Filtered Power Entry Module w/Integral Fuse Holder
  • Powder-Coated Chassis and Transformer Covers - Color: RAL9006

Specifications:
Output Power:
5 +/- Watt/Channel RMS Triode Mode (6 Ohm Load with KT88)
10 +/- Watt/Channel RMS Ultra-Linear Mode (6 Ohm Load with KT88)
Input Sensitivity: 1V RMS
Frequency Response: 30Hz ~ 20,000Hz -1dB, 20Hz ~ 22,000Hz -3dB
Hum & Noise: 1 mV RMS
Output Transformer: 5000 Ohm Primary, 6 Ohm Secondary
Recommended Speakers: 4 ~ 8 Ohms, > 89dB 1W/1m
Dimensions: 18"W X 11.5"D X 8.5"H
Weight: 32.5 lbs.

Price: $1,149.00
Estimated shipping cost: to Los Angeles $100, to Chicago $70.00
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File Type: jpg SEKT88front.JPG (330.2 KB, 1046 views)
File Type: jpg SEKT88back.JPG (318.8 KB, 982 views)
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Old 27th October 2011, 04:27 AM   #53
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If you have been on the fence as to which SE tube amplifier to build, as a kit, or to buy as a complete unit, this amplifier will more than provide complete auditory satisfaction. You will hear details in your favorite music that you have never heard before.

The careful attention to detail and superior components selected for this amp will provide a sensational listening experience.

The fully built amp is available in any color or finish that you desire.

High-sensitivity loudspeakers that complement the outstanding sound quality of this amplifier are also available. The loudspeakers, designed specifically for SE amps, provide unparalleled live two-channel music reproduction and are of a contemporary tower design.

You are welcome to audition these components at your convenience.

Scott
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Old 30th November 2011, 12:32 AM   #54
tomsyl is offline tomsyl  United States
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I purchased a fully built unit from Scott and couldn't be happier. The amp is beautifully finished (my girlfriend called in an objet d' art) with lots of gray powder coating and polished caps, but most importantly is sounds fabulous - clear as a bell in both triode and UL mode, with full extension at both extremes using medium-high efficiency Klipsch and Reference 3A bookshelf speakers. It sounds very close to my tube powered HiFi-Man phones (with HFM tube amp) and also close to my AN 300B amp - the best I have heard to date. (Not surprisingly, it wouldn't drive Martin-Logan ES speakers very well.) It beats any number of rebuilt vintage PP amps I have around, including the EICO HF-81.

I will try to do a longer post on this product, but for now I will just say that Scott is modest in his description of the sound of this solidly-built and modestly priced amp. The proof is in the pudding: I probably will buy another one for my bedroom system.
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Old 28th December 2011, 02:51 AM   #55
Dave R is offline Dave R  United States
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Hope everyone's had a nice Christmas, time to enjoy family and friends . . . and maybe some time off!

Finally . . . got some of my own time during the Holiday break to finish this project!!! Things got busy by the end of the summer both at work and at home . . . so it goes.

Yesterday I pulled out the pieces and started in again. Thought I'd post a couple of pic's of where I left off today. Should be mostly done tomorrow and ready to crank it up soon.
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File Type: jpg amp_wiring_2.jpg (126.7 KB, 381 views)
File Type: jpg amp_iron_caps.jpg (86.7 KB, 352 views)
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Old 29th December 2011, 03:44 AM   #56
Dave R is offline Dave R  United States
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Wiring is done. Yippee!!!



Testing tomorrow, and hopefully some break-in tomorrow night.

I've built many speakers, but this was my first amp build. It took me a little longer than others have mentioned, but the kit instructions are very detailed and complete. I'd guess it took me around 25 or 30 hours total for the wiring. The quality of the parts and the packaging was top notch.

Update tomorrow after testing. Really anxious to hear my speakers with this amp pushing them.

Here's a picture of the completed wiring.
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File Type: jpg amp_wired_complete.jpg (148.5 KB, 346 views)
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Old 29th December 2011, 04:10 AM   #57
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Quote:
Originally Posted by Dave R View Post
Wiring is done. Yippee!!!



Testing tomorrow, and hopefully some break-in tomorrow night.

I've built many speakers, but this was my first amp build. It took me a little longer than others have mentioned, but the kit instructions are very detailed and complete. I'd guess it took me around 25 or 30 hours total for the wiring. The quality of the parts and the packaging was top notch.

Update tomorrow after testing. Really anxious to hear my speakers with this amp pushing them.

Here's a picture of the completed wiring.
Looks great Dave! Crank it up and enjoy!
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Old 29th December 2011, 10:56 PM   #58
TerryO is offline TerryO  United States
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Quote:
Originally Posted by Dave R View Post
Wiring is done. Yippee!!!



Testing tomorrow, and hopefully some break-in tomorrow night.

I've built many speakers, but this was my first amp build. It took me a little longer than others have mentioned, but the kit instructions are very detailed and complete. I'd guess it took me around 25 or 30 hours total for the wiring. The quality of the parts and the packaging was top notch.

Update tomorrow after testing. Really anxious to hear my speakers with this amp pushing them.

Here's a picture of the completed wiring.
Dave,

When's the party?

I bet that it will sound very nice and look forward to hearing it with your matching 2-way speakers.


Best Regards,
Terry
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Old 30th December 2011, 06:48 AM   #59
Dave R is offline Dave R  United States
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Quote:
Originally Posted by TerryO View Post
Dave,

When's the party?

Best Regards,
Terry
Come on up tomorrow. You're all invited. Take the second right turn just past the old gray mule scratching his rear end on the dead oak tree. Go a half mile past the second section line you see. If the gravel road turns to dirt, you've gone too far.


The amp tested out fine, and I've had them hooked up for a couple of hours this evening.

I hooked them up to a nice little bookshelf pair and noticed immediately how detailed the sound was. The upright bass sounded very detailed, and had a nice presence.

One other thing that I noticed was how impressively quiet this amp is. Very nice provisions in the design to accomplish that.

I need to check them out for a few days before I give a more detailed review, but for now, I am very pleased with what I hear. This amp is a very good choice, and well worth it, in my opinion.

Here's a picture of it up and running. Yes, they glow!
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Old 30th December 2011, 07:38 AM   #60
TerryO is offline TerryO  United States
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Quote:
Originally Posted by Dave R View Post
Come on up tomorrow. You're all invited. Take the second right turn just past the old gray mule scratching his rear end on the dead oak tree. Go a half mile past the second section line you see. If the gravel road turns to dirt, you've gone too far.
Although it's awfully early, I'll try to be there around 1:00 (PM).

Quote:
Here's a picture of it up and running. Yes, they glow!
Look Igor!........It's alive!

Best Regards,
Terry
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