Cambridge Audio CXA81amplifierfeedsPolk Audio Reserve R700speaker
Strong match
Cambridge Audio CXA81 + Polk Audio Reserve R700 is a strong match — the CXA81 has the headroom to drive the Reserve R700 cleanly.
What the compatibility check found
Power Matching
Pass✓ Amplifier power (80W @ 8Ω) is well-matched for speaker sensitivity (88dB)
Impedance Matching
Couldn't verifyInsufficient specification data to verify impedance compatibility
Add impedance specifications to verify compatibility
Power and headroom
- Headroom
- 12.5 dB
- in reserve
- Peak SPL
- 97.5 dB
- at the seat
- Power used
- 4.51 W
- at target level
- Of amp output
- 5.6%
- capacity used
Estimated at an 85 dB listening level, 3 m from the speakers.