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zarquon's ATC System
Last Update: July 05, 2003 at 03:47:09 IP Address:
Amplifier: Power amp: ATC SPA2-150

200W/channel into 8 ohms

Preamplifier (or None if Integrated): ATC SCA-2. Good connectivity - 8 inputs, some balanced. Uses mostly discrete components and is very transparent. Includes phono stage option.
Speakers: ATC SCM35 - floorstanders, new July 2003. Cherry veneer finish, 35 litres. Tri-wirable 3 way, with crossovers at 380Hz and 2.8kHz. 85dB/W at 1m. Max SPL 112dB.

Relatively smooth output in my room 25Hz-20kHz, with output to below 20Hz. Very low distortion and good dispersion. These are true monitor-quality speakers. They use the famous ATC mid-range soft dome transducer. Bass is tight and tuneful - I can't stand boomy bass.

CD Player/DAC: Densen B400XS. Dynamic and musical
Turntable/Phono Stage: Michell Orbe with Helius arm and Lyra Lydian beta cartridge
Other Source(s): Revox B760 FM tuner - old, but one of the best.

HHB CDR830 CDR-R/W burner/player - excellent copies on computer CDR blanks.

Pioneer CTS610 - so I can still play my old tapes

Other Accessories/Room/Misc.:
Speaker Cables/Interconnects: Speaker cables - Nordost Red Dawn rev2 biwire.

Interconnects CD-Pre = Nordost Valhalla.

Other interconnects: various including Nordost Red Dawn and Blue Heaven, and DIY made using silver wire loose in PTFE tubing, twisted pair, Eichmann Bullet plugs

Other (Power Conditioner, Racks etc.): Equipment stands - Target beta with glass shelves. Mains cables: DIY solid core copper in PTFE, braided - clean and dynamic across the spectrum - some of the best I have heard, and at relatively low cost (10 materials cost per unit). Also 2 metal-clad 6-way power blocks, wired as above.
Tweaks: Nordost Ti pulsar points under CD player.

DIY rollerballs (Tungsten carbide in aluminium alloy cups) under speakers and pre-amp.

DIY pulsar point clones under power amp.

Room Size (LxWxH): 8m x 5m x 2.5m
Room Comments/Treatments: Well furnished living room with thick carpet, sofas, bookcases etc, rug on one wall to reduce reflections.
Music Preferences and Comments:
Music Used (Genre/Selections): About 1000CDs, 200LPs, 70% classical, from Bach to Stockhausen. Main preference for 20C music, especially Shostakovich, Messiaen, but also love Bach. Non-classical is a good mixture: Rock / pop / dance / jazz / blues / electronic. I have fairly broad tastes!
System Goals/Comments: High fidelity - in the strict sense. Too many systems, in my opinion, have components selected to offset one set of colourations with another. ATC is a UK company that is best known for studio monitors, and supplies both the pro and domestic markets. The ATC SCM35s are a bargain, IMO, at 2000.
System Strengths: Clarity, dynamics, neutrality, realism. The ATC amps and speakers are a perfect match. This is not a warm cosy system - it tells you what is in the recording without adding much of its own character.
System Weaknesses: The equipment supports are the weakest part at present. Two 4-shelf Target beta stands. I am currently thinking about an upgrade here, including DIY, but there are so many options!
Video/HT System: Separate
TV/Projector: Old Sony 4x3 TV, 25 inch
Sources (DVD/VCR): Pioneer DV444 DVD multi-region player

Sony SLV-SE710 VCR

Comments on HT System: As you can see, I am not really into fancy HT yet. I am waiting for good flat displays to become available at reasonable prices (ha!).
Other Interests/Hobbies/Occupation: Science and technology (I am a semi-retired UK-based physicist and spent all my working life in optical fibre communications and optoelectronics research). Audio tweaks and DIY, photography, computing, reading sci-fi and crime novels, walking, travelling abroad.

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