Amp/Preamp Asylum

I believe you are wrong...

76.110.105.130

rlw

In Reply to: RE: Typical solid state amps have highest distortion at lowest levels posted by Feanor on September 29, 2013 at 05:24:13

You can switch from pure Class A mode 100% of the time, limiting the output to 35 watts/ch. or to a Class A mode that then switches to Class AB above 35 watts output OR if their thermal sensor indicates that it needs to switch modes.

-RW-

Follow Ups:

RE: I believe you are wrong... - pictureguy 21:30:59 10/02/13 (2)
If I understand the EMO 'stuff' on this amp....and I've even hung around the EMO boards, is that the amp will 'slide' into AB above 35 watts with the switch in 'A'........or simply SKIP 'A' altogether when the switch is in AB position.
Also, this amp is 35 class 'A' watts, and 250/ 500 @ 8 / 4 which exceeds the Pass performance of say...the XA30.5
Personally? I like the Pass 'switchless' approach.
The bossman at EMO visits the boards and calls the L1 a 'spaceheater'. Me? In winter that would be tempting but in summer, a drain on my electric bill!
Even the Pass X.5 series has a class 'A' margin. But NO switch.

I've considered 4 of 'em to BIAMP my MG 1.6s!!!
Too much is never enough
- Nowhere has your tag line seemed more appropriate than here. - axolotl 22:23:13 10/02/13 (1)
  "I've considered 4 of 'em to BIAMP my MG 1.6s!!!
  Too much is never enough"
  
  %^D
  
  axolotl
  - RE: Nowhere has your tag line seemed more appropriate than here. - pictureguy 09:10:28 10/06/13 (0)
    Sure.....4 of 'em.
    Need a balanced preamp with low output impedance and XLR splitters. Amp stands would take up QUITE a bit of floor.....might need double-deckers!
    But OH! 70 'A' watts per speaker! and a KiloWatt in reserve.
    
    It's even possible with a preamp with bass managment to take some of the LF load off the panels...say at 60 or 70 hz and make better use of the sub. A 70hz crossover at 12 db/oct would put the panel down 12db at about its lower limit, anyway....of 35hz.....a good idea?
    Too much is never enough
No: here is what Emotiva says ... - Feanor 08:21:30 09/29/13 (0)
Emotiva says:

"In Class A/B Mode, the XPA-1L is a potent, superb sounding, fully balanced mono-block Class A/B amplifier � delivering 250 watts into 8 ohms (or 500 watts into 4 ohms) with incredibly low levels of noise and distortion. Flip the switch into Class A Mode and the XPA-1L transforms into pure Class A, high bias 35 watt sweetheart... with a kick. If you exceed the 35 watt threshold, it seamlessly transitions into Class A/B mode when the signal level goes above 35 watts, allowing it to deliver its full power. You get the awesome purity of Class A for power levels up to 35 watts, with none of the high power limitations. (The XPA-1L does run a bit warmer in Class A Mode, but hey, it's worth it.)"

I love the music of ... ... Gustav Mahler
- Emotiva says ... (Open in New Window)

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