Radio Design Labs FP-ALC1
Single-Channel Mono Automatic Level Control

OUR PART #  FPALC1

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Radio Design Labs' FP-ALC1 is the ideal choice in many applications where consistent mono audio levels are needed from professional sources with varying audio output levels. Power connections are made using either the full-size barrier block or a dc power jack located in one end panel.

The FP-ALC1 is a single channel (mono) module featuring a detachable terminal block for the input and output. A single user adjustment makes installation simple and efficient. The gain adjustment is set as high as possible with the loudest source without the INPUT OVERLOAD indicator flashing. No further adjustments are needed. Sound systems fed from variable audio source levels, such as multiple CD changers, satellite receivers or paging sources benefit from consistent levels.

NOTE: Radio Design Labs' PS-24AS power supply is NOT included but is required in order to power this product.  Please see the "Accessories" tab or click here for more information on the PS-24AS power supply.

Common FP-ALC1 applications include paging outputs from telephone systems, music-on-hold feeds for telephone systems, background or foreground amplifier inputs in sound systems, voice feeds in communications/intercom systems.

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

Specifications:

  • Input: 10 kOhm balanced bridging (may be connected unbalanced)
  • Input Level: +4 dBu (nominal)
  • Output: 150 Ohm balanced (may be connected unbalanced)
  • Output Level: +4 dBu
  • Automatic Level Range: -16 to +14 dBu
  • Gate Threshold: -18 dBu (20 Hz to 3 kHz)
  • Frequency Response (excluding AGC): 20 Hz to 20 kHz (+/- 0.75 dB)
  • THD+N (excluding AGC):   < 0.15% (20 Hz to 20 kHz)
  • Noise: < -90 dB (below +4 dBu output)
  • Headroom: > 18 dB
  • Indicator (1): INPUT OVERLOAD
  • Power Requirement: GROUND-REFERENCED, 24 Vdc @ 80 mA
  • Dimensions: 1.42" H x 3.25" W x 5.75" H (3.61 x 8.26 x 14.61 cm)
24 VDC 500mA Switching Power Supply, North American Model
Radio Design Labs PS-24AS 24 VDC 500mA Switching Power Supply, North American Model
Radio Design Labs' PS-24AS is a 24 VDC/500 mA switching power supply with a North American AC plug. Compatible with various RDL products.Radio Design Labs PS-24AS Specifications: Input: 100 to 240 VAC Output: 24 Vdc, 500 mA (UL, ...
Rack Adapter FLAT-PAK Series 19" hinged
Radio Design Labs FPRRAH Rack Adapter FLAT-PAK Series 19" hinged
FP-RRAH hinged panel provides easy module access.
Usually ships in 7-14 business days.
Need it sooner? Call us!
Rack Adapter FLAT-PAK Series 19" fixed
Radio Design Labs FPRRA Rack Adapter FLAT-PAK Series 19" fixed
FLAT-PAK modules slide into FP-RRA mounting track 2 RU.Modules lock into position with optional FP-CT1.
Usually ships in 7-14 business days.
Need it sooner? Call us!
Din Rail Mounting Bracket
Radio Design Labs DRA-35F Din Rail Mounting Bracket
The DRA-35F is a DIN rail mounting bracket that provides positive mounting for any RDL FLAT-PAK™ module. DIN rail mounting is ideal in locations subject to vibration, in confined spaces or where traditional rack mounting is not desired. ...
Usually ships in 7-14 business days.
Need it sooner? Call us!

Click to download

Radio Design Labs FP-ALC1
Single-Channel Mono Automatic Level Control

OUR PART #  FPALC1

Product Information:

Radio Design Labs' FP-ALC1 is the ideal choice in many applications where consistent mono audio levels are needed from professional sources with varying audio output levels. Power connections are made using either the full-size barrier block or a dc power jack located in one end panel.

The FP-ALC1 is a single channel (mono) module featuring a detachable terminal block for the input and output. A single user adjustment makes installation simple and efficient. The gain adjustment is set as high as possible with the loudest source without the INPUT OVERLOAD indicator flashing. No further adjustments are needed. Sound systems fed from variable audio source levels, such as multiple CD changers, satellite receivers or paging sources benefit from consistent levels.

NOTE: Radio Design Labs' PS-24AS power supply is NOT included but is required in order to power this product.  Please see the "Accessories" tab or click here for more information on the PS-24AS power supply.

Common FP-ALC1 applications include paging outputs from telephone systems, music-on-hold feeds for telephone systems, background or foreground amplifier inputs in sound systems, voice feeds in communications/intercom systems.

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

Specifications:

  • Input: 10 kOhm balanced bridging (may be connected unbalanced)
  • Input Level: +4 dBu (nominal)
  • Output: 150 Ohm balanced (may be connected unbalanced)
  • Output Level: +4 dBu
  • Automatic Level Range: -16 to +14 dBu
  • Gate Threshold: -18 dBu (20 Hz to 3 kHz)
  • Frequency Response (excluding AGC): 20 Hz to 20 kHz (+/- 0.75 dB)
  • THD+N (excluding AGC):   < 0.15% (20 Hz to 20 kHz)
  • Noise: < -90 dB (below +4 dBu output)
  • Headroom: > 18 dB
  • Indicator (1): INPUT OVERLOAD
  • Power Requirement: GROUND-REFERENCED, 24 Vdc @ 80 mA
  • Dimensions: 1.42" H x 3.25" W x 5.75" H (3.61 x 8.26 x 14.61 cm)
24 VDC 500mA Switching Power Supply, North American Model
Radio Design Labs PS-24AS 24 VDC 500mA Switching Power Supply, North American Model
Radio Design Labs' PS-24AS is a 24 VDC/500 mA switching power supply with a North American AC plug. Compatible with various RDL products.Radio Design Labs PS-24AS Specifications: Input: 100 to 240 VAC Output: 24 Vdc, 500 mA (UL, ...
Rack Adapter FLAT-PAK Series 19" hinged
Radio Design Labs FPRRAH Rack Adapter FLAT-PAK Series 19" hinged
FP-RRAH hinged panel provides easy module access.
Usually ships in 7-14 business days.
Need it sooner? Call us!
Rack Adapter FLAT-PAK Series 19" fixed
Radio Design Labs FPRRA Rack Adapter FLAT-PAK Series 19" fixed
FLAT-PAK modules slide into FP-RRA mounting track 2 RU.Modules lock into position with optional FP-CT1.
Usually ships in 7-14 business days.
Need it sooner? Call us!
Din Rail Mounting Bracket
Radio Design Labs DRA-35F Din Rail Mounting Bracket
The DRA-35F is a DIN rail mounting bracket that provides positive mounting for any RDL FLAT-PAK™ module. DIN rail mounting is ideal in locations subject to vibration, in confined spaces or where traditional rack mounting is not desired. ...
Usually ships in 7-14 business days.
Need it sooner? Call us!

Click to download

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