Adcom GFA-555 + MartinLogan Prodigy: do they pair? | twochannel.ai

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Adcom GFA-555 + MartinLogan Prodigy

Component pairing

Adcom GFA-555power ampfeedsMartinLogan Prodigyspeaker

Strong match

Adcom GFA-555 + MartinLogan Prodigy is a strong match — the GFA-555 has the headroom to drive the Prodigy cleanly.

What the compatibility check found

Impedance Matching
Pass
✓ Amplifier can safely drive 4Ω speakers
Power Matching
Pass
✓ Amplifier power (200W @ 4Ω) is well-matched for speaker sensitivity (91dB)
Frequency Response Matching
Couldn't verify

Power and headroom

Headroom: 19.5 dB; in reserve
Peak SPL: 104.5 dB; at the seat
Power used: 2.26 W; at target level
Of amp output: 1.1%; capacity used

Estimated at an 85 dB listening level, 3 m from the speakers.

Other pairings to consider

Wilson Benesch Matrixpaired with Adcom GFA-555Strong match

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Insufficient specification data to verify frequency response matching

Frequency response data is needed for both amplifier and speaker to run this check.

Physical Connectivity

Couldn't verify

Speaker-level connection (speaker wire / binding posts) — connector matching not applicable

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