Cambridge Audio EDGE-A vs Rotel RMB-1587MKII
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Choosing between the Cambridge Audio EDGE-A and Rotel RMB-1587MKII? Both compete in the Amplifier segment. Here’s how they compare across the specs that matter most for your home theater.
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Looking at overall performance dimensions: The Cambridge Audio EDGE-A scores higher in form factor, room fit. The Rotel RMB-1587MKII leads in value.
These two Amplifier options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
For most home theaters, the Cambridge Audio EDGE-A is the stronger choice — it leads in 2 of 3 scored dimensions. The Rotel RMB-1587MKII makes more sense if you prioritize the 1 dimension where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Cambridge Audio EDGE-A
Rotel RMB-1587MKII
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Watts/Ch (8Ω) | 100W | 155W |
| Watts/Ch (4Ω) | 200W | 250W |
| Channels | 2 | 7 |
| THD | 0.002% | — |
| Damping Factor | — | 1 |
| Bridgeable | Yes | No |
| Balanced XLR | No | Yes |
| Gain Control | No | No |
| Class | Class AB | Class AB |
Key Differences
- Channels: Cambridge Audio EDGE-A at 2 vs Rotel RMB-1587MKII at 7. More channels enable immersive Atmos layouts. A 9-channel receiver can drive a 5.1.4 layout (5 ear-level, 1 sub, 4 height speakers) for overhead sound effects.
- Watts/Ch (8Ω): Cambridge Audio EDGE-A at 100W vs Rotel RMB-1587MKII at 155W. Real-world power matters for dynamic headroom. Look for all-channels-driven ratings — two-channel ratings inflate the number since receivers share a common power supply.
- Watts/Ch (4Ω): Cambridge Audio EDGE-A at 200W vs Rotel RMB-1587MKII at 250W
- THD: Cambridge Audio EDGE-A at 0.002% vs Rotel RMB-1587MKII at —
- Damping Factor: Cambridge Audio EDGE-A at — vs Rotel RMB-1587MKII at 1
Which Should You Choose?
Choose Rotel RMB-1587MKII if you want:
- + better watts/ch (8ω) — real-world power matters for dynamic headroom
- + 7 channel layout for more immersive Atmos configurations
See Where These Rank
Check our editorial rankings to see how Cambridge Audio EDGE-A and Rotel RMB-1587MKII compare to the rest of the field.
Best Amplifier RankingsSpecifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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