Leif´s present system

Jan 18, 2012
2,856
3,239
2,525
Drobak Norway
Speakers:
DIY CD horns for TAD TD-4003 incl custom cnc´d bronze adapters 600-20K driven by all out Borderpatrol DIY 300B dual chassis monoblocks.....all signal iron is nanocrystalline cores from Tommy Hørning in Denmark
drivertube 6s45pi interstage coupling
separate power transformers and choke input supplies for all filaments, drivers and 300B HV
4003 hipassed with Duelund cast cu passive filter...includes some esoteric platinum resistors and capacitors, Northcreek and Intertechnik inductors and Duelund CAST resistors
DIY dual midbasshorns, ventilated rear chambers, JBL 2220B driven by Powersoft modules LITEMOD4HV : 1KW for each JBL...hipassed and lopassed and dsp´d actively between 65 and 550
"DIY" NNNN designed by Rune Skramstad ventilated one fold 4m frontloaded basshorn with 18Sound LW1400 21" driver...lopassed, dsp´d and driven by same Powersoft 2KW channel
capacity 130dB cont @30Hz
-3dB @23Hz
"PRE":
Hørning nanocrystalline AVC
RIAA:
47Kg all out quattro LCLC both pos and neg Borderpatrol designed powersupply for LCR Thorsten Loesch riaa...4xE810 with each individual psu
2MC and 5 MM inputs hooked up to arms simultaneously
WIRING:
Duelund silver(oil /cotton) to TAD TD-4003
pure silver foils in silk from Powersoft to midbasshorns
6mm multistrand copper for hornsubs
SOURCES:
Studer A727 wired both direct to AVC and to DAC
DDDAC 1794 4 stack /Rasperrypi3 "streamer" with BP designed choke input psu...separate psu´s for dacboard, R pi and Ian Kaneda /Accusilicon clock board
Day Sequerra FM Reference 25th Anniversary
2x Studer A80RC 2T 1/4", modded signal wiring and Nextel reproboards and MTSL record boards
Micro Seiki DDX1500 massloaded and improved psu with:
Micro Seiki Ma-505s/Koetsu Rosewood Signature Platinum
Micro seiki MA-505L/Kiseki Agaat Ruby 2
SME 3009R bronse bearing cart?
Melco 3560 with Hanze analogue regen psu and custom 4 tower ss316 65Kg custom cnc´d plinth with 5 Kg POM frame for bearing assy
arms:
Eugene Komissarow´s Harmony/DaVa Soul
Stefano Bertoncello The Peak 12" with DaVa mono
AM FR66s direct wired/Kiseki Blackheart
Alfred Bokrand Sonoro 12" banana with underhung counterweight direct wired from EIA connector to RCA/DaVa Reference
onboard SUTs S&B TX 103 cu and DaVa mono
outboard SUTs
DaVa ag/cu
DaVA cu
Parmeko
Supex SDT-1000
MCT2(Altec Peerless 4722 modern version)
in order and waiting
Consolidated ag 1:40 lo inductance lo imp
Consolidated ag 1:20 lo inductance lo imp

All signal wiring silver in silk (unscreened except from SUTs) or Red Rose(Mark Levinson) pure silver Litz
Power cables RS Components double copper screened 2x6sqmm
Separate 25A screened 3x10sqmm from breaker box
gnd 10sqmm copper wire in soil around house foundation
power filter built on Lukasch plans based on ferrits, MOVs and Xand Y-caps
all electronics and subhorns placed on Rubloc Trisolators
no "room treatment" apart from Persian rugs, plants, furniture, wood paneling, suspended wood floor. large window surfaces and a PSI AVAA
 
Last edited:
Sounds awesome.
Pictures please.
 
first batch from picture after bronze adapter all is in separate machine room behind system
 

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second batch
 

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Haha - awesome Leif!! Looks like a real playground ! Enjoy the nordic HiFi season!

/ Jk
 
WOW. Impressive.
You certainly don’t let any grass grow under your feet.
 
I ask on voltage cause of exterior ground ring cable .
I do think non neutral power source is better .
Europe does have only 240 but a horrible ground system . I'm sure with all he has done it's dead silent .
In NYC I use a 220 volt iso to feed all front end except amps
 
Hi Leif,
I’m feeling anxious just imagining how much time and effort you had spent making all the custom parts of your system.
Question: what platform and footers Melco is sitting on?
 
I have Revopods under Melco, but they did nothing reg mechanical feedback
then I placed the MDF shelf on Rubloc Trisolators and problem solved
I´ve used theese for years, but nobody seems interested
I also use them under Riaa, poweramps and even 2m high horn subs
I guess they´re not expensive enough to catch any attention, but they´re designed for industrial purposes and shipping/offshore installations
can be bought here:
they come in 3 layer about 10x10 inches sheets than can be cut into 4x4 pieces (about 1,5inch square)
available in soft or hard
plate scissor or even carpet knife will do....
 
Thanks, I’ll give it a try,even though I don’t have any feedback. Just thinking of improving on stock SS feet performance
 
BTW, do you use soft or hard ones?
 
25-40kg ish soft
over hard, but you can adjust by using 3 or 4 under cabinets
I would try under 817s and Rada
hard under Melco...a sheet costs about 300EUR and will cover at least 6-7 clients
 
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25-40kg ish soft
over hard, but you can adjust by using 3 or 4 under cabinets
I would try under 817s and Rada
hard under Melco...a sheet costs about 300EUR and will cover at least 6-7 clients
Thanks
 

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