




Harmonic Harmony Acapella RCA Cable 1m High Quality OFC Audio Interconnect
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The Harmonic Harmony Acapella is a 1m OFC RCA audio interconnect cable with triple shielding and gold-plated and nickel-plated connectors. It is the entry-level interconnect in the Harmonic Harmony range, suitable for connecting audio sources, processors and amplifiers.
This listing is the 1m length. The Acapella RCA cable is also available in 0.5m, 2m, 3m and 5m.
Key specifications
- Length: 1m
- Conductors: 4 x 20 AWG OFC copper cores
- Shielding: triple — OFC copper braid, aluminium foil and PVC
- Connectors: gold-plated and nickel-plated RCA
- Cable diameter: 7.5 mm
- Outer sleeve: black twisted braid
Harmonic Harmony Acapella RCA signal cable
The Acapella uses triple-shield architecture, oxygen-free copper conductors and dual-plated RCA connectors.
- Gold-plated and nickel-plated RCA connectors for natural, neutral sound.
- Triple shielding — OFC copper braid, aluminium foil and PVC — to reject RFI and EMI.
- 4 x 20 AWG OFC copper cores.
- Protected by a black designer twisted braid outer sleeve.
- Cable diameter: 7.5 mm.
- Cable length: 1m.
- Packed in a paper box.
Although the Acapella is Harmonic Harmony's entry-level line, it offers solid build quality and sound performance. The dual-plated RCA connectors deliver a natural, neutral signal transfer, and the triple-layer shielding keeps noise interference to a minimum.
Explore the full range in Harmonic Harmony.
Specification
| Cable length | 1 m. |
|---|---|
| Cable diameter | 7.5 mm |
More specs
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What's Included
- Harmonic Harmony Acapella RCA 1m
Harmonic Harmony
About the Harmonic Harmony ACAPELLA-RCA-1M
From our tech experts at CEN
The Harmonic Harmony Acapella is a 1m OFC RCA audio interconnect cable and the entry-level model in the Harmonic Harmony range. It features four 20 AWG oxygen-free copper cores, triple shielding (OFC copper braid, aluminium foil and PVC) and gold-plated and nickel-plated RCA connectors. The cable measures 7.5 mm in diameter and connects audio sources, processors and amplifiers.
Who it suits
The Acapella suits anyone building or upgrading a car or home audio system who needs a solid, well-shielded interconnect at an entry level. It is a practical choice for short rack runs or connecting a head unit to a nearby processor. If you need a longer run, the Acapella 2m is the next step up.
Our tech experts advise
Measure the cable run before ordering; for front-to-boot amplifier installs in most cars, 3m or 5m tends to suit better than 1m. Triple shielding keeps RFI and EMI away from sensitive signal paths. Route the cable away from power cables to minimise noise pickup. Browse the Harmonic Harmony collection to find the right length for your install.
Explore the full Harmonic Harmony range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Harmonic Harmony
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Frequently Asked Questions
Q: How long is this Harmonic Harmony Acapella RCA cable?
A: This cable is 1m long. The Acapella range is available in 12 different lengths, and CEN stocks 0.5m, 1m, 2m, 3m and 5m.
Q: What is the Harmonic Harmony Acapella RCA cable made from?
A: It uses 4 x 20 AWG oxygen-free copper (OFC) cores with triple shielding of OFC copper braid, aluminium foil and PVC, gold-plated and nickel-plated RCA connectors, and a black twisted braid outer. The cable diameter is 7.5 mm.
Q: Why does RCA cable shielding matter?
A: RCA cables carry low-level audio signals that can pick up interference. The Acapella's triple shielding is designed to prevent RFI and EMI interference reaching your amplifier or processor.



















