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In Reply to: Note to self... posted by AbeCollins on October 13, 2016 at 16:46:28:
For the amplifier to be stable, you need a load on the output stage at RF in order to damp any oscillation stimulated by induced RF. The load is usually a Zobel or R-L or both. What Naim did was to factor the cable impedance into the design of the network. The advantage of doing that is eliminating some passive components between the output stage and the loudspeaker. But in order to take advantage of it, they need control over the cable impedance.
With Spectral + MIT, the Zobel network is in the cable rather than in the amp.
This isn't bad design, it's just a different way of approaching the problem, by looking at things as a system.
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Follow Ups
- Not poor design, the cable is designed to be part of the network on the output stage - Dave_K 06:59:07 10/14/16 (15)
- RE: Not poor design, the cable is designed to be part of the network on the output stage - hahax@verizon.net 10:15:28 10/15/16 (5)
- RE: Not poor design -- But New Design Then (So You R Younger than I!) (nt) - goldenthal 16:49:30 10/15/16 (0)
- RE: Not poor design, the cable is designed to be part of the network on the output stage - AbeCollins 10:52:44 10/15/16 (3)
- RE: Not poor design, the cable is designed to be part of the network on the output stage - gordguide 06:08:25 11/11/16 (0)
- RE: Not poor design -- Did Any Such Hi-cap Speaker-wire exist before Cobra? (nt) - goldenthal 16:52:48 10/15/16 (1)
- RE: Not poor design -- Sorry, These were meant for Lower re Cobra (nt) - goldenthal 13:59:41 10/19/16 (0)
- "designed to be part of the network" sounds like crappola - airtime 08:39:39 10/14/16 (8)
- Not crappola if you folow the engineering principles - Dave_K 09:19:04 10/14/16 (7)
- Naim speaker cables... - kuma 21:15:57 10/15/16 (0)
- Crappola if you adhere to the philosophical principle... - AbeCollins 10:28:16 10/14/16 (5)
- Don't give a crap about philosophy, just engineering - Dave_K 11:58:12 10/14/16 (4)
- That's the problem with many engineers... - AbeCollins 14:01:30 10/14/16 (0)
- No Dave you're wrong - airtime 13:00:06 10/14/16 (2)
- You have it backwards - Dave_K 13:36:46 10/14/16 (1)
- Reminder to self... - AbeCollins 14:09:41 10/14/16 (0)
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