Nakamichi PA-7A IIpower ampfeedsKEF 105 IIspeaker
Used together in 1 real system
Strong match
Nakamichi PA-7A II + KEF 105 II is a strong match — the PA-7A II has the headroom to drive the 105 II cleanly.
What the compatibility check found
Impedance Matching
Pass✓ Amplifier can safely drive 8Ω speakers
Power Matching
Pass✓ Amplifier power (225W @ 8Ω) is well-matched for speaker sensitivity (86dB)
Power and headroom
- Headroom
- 15 dB
- in reserve
- Peak SPL
- 100 dB
- at the seat
- Power used
- 7.15 W
- at target level
- Of amp output
- 3.2%
- capacity used
Estimated at an 85 dB listening level, 3 m from the speakers.