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Radio Design Labs

Radio Design Labs FP-ALC2 Automatic Level Control - Stereo - RCA Jacks

£450.00inc. VAT
£375.00 ex. VAT
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Bought in the UK, backed in the UKWhy it matters →
  • Sourced through UK distribution
  • UK manufacturer warranty
  • UK-based engineers
  • No import duty or customs charges
  • GBP pricing, UK VAT invoices
Return within 14 days
Installation services availablePurchase orders: education customers only
7 Years Warranty Included
Key specifications
Inputs (2)10 kΩ unbalanced phono jack
Input Level-10 dBV (nominal)
Outputs (2)200 Ω unbalanced phono jack
Output Level-10 dBV
Automatic Level Range-30 to 0 dBV
Gate Threshold-40 dBV (20 Hz to 3 kHz)
Frequency Response (excluding AGC)20 Hz to 20 kHz (± 0.5 dB)
THD+N< 0.15% (20 Hz to kHz)
All 15 specifications

Description

The FP-ALC2 is the ideal choice in many applications where consistent stereo audio levels are needed from consumer sources with varying audio output levels. Power connections are made using either the full-size barrier block or a dc power jack.

The FP-ALC2 is a dual-channel (stereo) module featuring phono jack INPUTS and OUTPUTS. A single user adjustment makes installation simple and efficient. The gain adjustment is set as high as possible with the loudest source without the INPUTOVERLOAD indicator flashing. No further adjustments are needed. Foreground as well as background sound systems fed from variable audio source levels, such as multiple CD changers or satellite receivers, benefit from consistent levels.

The automatic level control circuitry in the FP-ALC2 maintains a consistent −10 dBV output for input signal variations as great as 25 dB. Yet the operation of the module is nearly transparent to the listener for a wide variety of source material from rock to classical. The FP-ALC2’s low profile and compact size permit mounting in confined spaces and in various convenient locations.

Key features:

• Consistent Levels from Variable Sources

• Split-Band AGC for Audio Transparency

• Self-Adjusting Attack and Release Times

• AGC with Simple Single-Control Setup

• Level Control Range > 20 dB

• Gated Control to Avoid Level Seeking

• Convenience of RDL FLAT-PAKs

Manufacturer part number FP-ALC2.

Key features

Inputs (2)

10 kΩ unbalanced phono jack

Input Level

-10 dBV (nominal)

Outputs (2)

200 Ω unbalanced phono jack

Output Level

-10 dBV

Automatic Level Range

-30 to 0 dBV

Gate Threshold

-40 dBV (20 Hz to 3 kHz)

Frequency Response (excluding AGC)

20 Hz to 20 kHz (± 0.5 dB)

THD+N

< 0.15% (20 Hz to kHz)

Technical specifications

Connectivity
Inputs (2)10 kΩ unbalanced phono jack
Input Level-10 dBV (nominal)
Outputs (2)200 Ω unbalanced phono jack
Output Level-10 dBV
Power & Physical
Overall DimensionsHeight: 1.20 in. 3.05 cm; Width: 3.25 in. 8.26 cm; Length: 5.75 in. 14.61 cm
Shipping Weight0.88 lbs.
General
Automatic Level Range-30 to 0 dBV
Gate Threshold-40 dBV (20 Hz to 3 kHz)
Frequency Response (excluding AGC)20 Hz to 20 kHz (± 0.5 dB)
THD+N< 0.15% (20 Hz to kHz)
Noise< -90 dB (below −10 dBV)
Headroom> 18 dB
Indicator (1)INPUT OVERLOAD
Ambient Operating Environment0° C to 55° C
Power RequirementGROUND-REFERENCED, 24 Vdc @ 80 mA

Documents

Delivery & returns

Estimated delivery 9 Sept - 13 Sept. UK mainland delivery only. Some large or made-to-order items carry longer lead times, shown on the product page.

Unused items in original packaging can be returned within 14 days of delivery — see the returns policy for how business and consumer returns differ. Faulty items are covered under manufacturer warranty and by your statutory rights.

Full delivery & returns policy

Bought in the UK, backed in the UK

  • This item is sourced through UK distribution and ships to you from within the UK, so the order never crosses a customs border.

  • The manufacturer warranty is honoured here in the UK. If something fails, you deal with us, not with an overseas seller in another time zone.

  • Our own UK-based engineers install, commission and support what we sell, and can attend site when a system needs hands on it.

  • Delivered within the UK mainland, so there is no import duty, customs charge or courier handling fee waiting for you on delivery.

  • Prices are in pounds sterling with proper UK VAT invoices, and purchase orders are accepted from approved education accounts: no currency conversion and no surprises at the door.

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Payment & security

Pay securely by card. Education customers can apply for a 30-day purchase order account.

Schools, colleges, sixth forms, universities and multi-academy trusts can order on invoice, with no card payment required. Purchase orders and credit terms are for education customers only.

All transactions are processed over an encrypted, secure checkout.

Purchase order & invoice terms

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4.5 / 5 · 14 reviews on Trustpilot

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