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HD-PA35U 4/8 Ohm Outputs/35 Watt Power Amplifier by RDL

SKU: HD-PA35U
HD-PA35U 4/8 Ohm Outputs/35 Watt Power Amplifier by RDL

HD-PA35U 4/8 Ohm Outputs/35 Watt Power Amplifier by RDL

  • $362.10
Market price: $402.33, you save $40.23
  • 10% less
Qty:  
  • Brand
    RDL
  • SKU
    HD-PA35U
  • Weight
    6.00 lbs
  • Warranty
    3 Years
  • Condition
    New
  • Status
    Available
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The HD-PA35U is a single input audio amplifier for systems demanding the highest energy efficiency. It may be used as a single zone amplifier fed from a variety of RDL or OEM mixers.
  • Brand
    RDL
  • SKU
    HD-PA35U
  • Weight
    6.00 lbs
  • Warranty
    3 Years
  • Condition
    New
  • Status
    Available
Questions? Ask our experts!

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  • $362.10
Market price: $402.33, you save $40.23
  • 10% less


The HD-PA35U is a single input audio amplifier for systems demanding the highest energy efficiency. It may be used as a single zone amplifier fed from a variety of RDL or OEM mixers. It is ideal for providing one or more additional zones to a mix originating from another RDL HD series mixer amplifier. The 35 watt power amplifier output is driven from a high-efficiency Class D amplifier stage. The amplifier normally shuts down (standby “sleep” mode) when audio is absent and automatically turns on when needed. The amplifier output level may be VCA controlled using various optional RDL remote controls, or by industry standard 0 to 10 Vdc or 0 to 10k ohm controls. The output drives 4 ohm or 8 ohm speakers. The output impedance is switch-selectable on the rear panel.

The HD-PA35U is engineered, tested and manufactured in the U.S.A. to strict energy conservation standards. The unit consumes less than 1 watt of mains power in standby mode, and meets power amplifier efficiency specifications with an analog-filtered Class-D digital output stage.

The HD-PA35U provides a front-panel control to set the input gain. An optional remote control connected to the rear-panel RJ45 jack provides for remote adjustment of the output level. The tone controls adjust the equalization at the amplifier output.

The presence of a signal at the input causes the HD-PA35U to fully turn on, activating the power amplifier and all associated equalization and compressor circuitry. When an input signal is absent, a delay timer is initiated. Rear-panel DIP switches are provided to set the power-down delay timer to a value between 10 minutes and 2 hours in 10 minute increments. After the time-out period, the HD-PA35U enters the sleep mode until an input signal is received. The switches may be set to disable the sleep mode for systems specifying continuous amplifier operation.

The amplifier includes an analog compressor/limiter for audio fidelity noticeably superior to conventional class D amplifiers with digital limiting. Increasing the input gain can substantially increase the average output power beyond that of a standard 35 watt amplifier. A red front-panel LED flashes when the compressor is preventing output clipping. Normal audio level signals remain unaffected by the compressor thereby preserving audio dynamics. The audio is compressed according to three dynamic time constants providing aural transparency while maintaining clean, unclipped amplified audio for input overloads of up to 20 dB. The HD-PA35U, with compression, is capable of producing average audio output levels and clarity normally expected from amplifiers with a much higher output power rating.

During power-up and power-down, the amplifier output is protected against clicks, pops and thumping by internal soft-start solid-state switches.

A blue POWER LED illuminates when the HD-PA35U is powered from its external 24 Vdc power supply (included). The power LED is dim when the amplifier is in the standby mode, and is bright when the amplifier is fully active. A front-panel pushbutton is provided to manually cycle between standby and active modes. The power amplifier is equipped with both thermal and output short-circuit protection. The high-efficiency Class D output stage produces minimal heat for all levels of expected voice or music modulation.

Features:

  • One input with front-panel volume control
  • Bass and Treble tone controls
  • Designed as a single zone amplifier
  • Master volume VCA controlled with remote adjustment capability
  • Amplifier output on detachable terminal block
  • Unbalanced summing inputs on RCA jacks
  • Includes power supply
  • Automatic sleep mode meets strictest energy saving standards
Rated Power: 35 W RMS
Audio Input: Unbalanced stereo summing input on RCA jacks
Maximum Input Level: + 5 dBV (+11 dBV, one input); (for 1% THD+N at output)
Input level: -15 dBV (180 mV, to cross compressor threshold equaling 23 W amplified output, both input jacks driven)
Noise: <-75 dB (max gain)
THD+N: < 0.5% (1 kHz at compressor threshold)
Compressor: Threshold 2 dB below rated output, automatically adjusting attack and release times
Frequency Response: ± 1 dB (50 Hz to 20 kHz)
Tone Controls: ±10 dB @ 10 kHz, ±9 dB @ 100 Hz (front-panel) with center detent
Power Amplifier Output: 35 W RMS (4 Ohms), 32 W (8 Ohms) on detachable terminal block (switch-selectable 4 or 8 Ohm impedance); <1% THD+N
Indicators (3): Front-panel: Signal present (green), Compressor activity (red), Power (bright=on, dim=standby, blue)
VCA: Output level, 0 to 10 Vdc control, RJ45 (compatible with RDL VCA wall controls)
Front-panel controls (4): Input, EQ (2, bass and treble), Power (momentary pushbutton, toggle on/standby)
Rear-panel controls (4): Sleep (standby) mode delay (4 binary switches)
Efficiency Standard Used: “Energy Star® Program Requirements for Audio/Video” Version 2.0
Sleep Mode Power Consumption: < 1 W (amplifier and included power supply)
Sleep Mode Delay: 10 minutes to 2 hours (switch-selectable in 10 minute increments)
Sleep Mode Disable: Selectable
Active Mode Delay: 2 seconds (nominal) after input audio detected
Audio Detector Threshold: -42 dBV
Ambient Operating Environment: 0° C to 50° C Maximum; 20° C Recommended
Power Supply (included): 100 to 240 Vac, 50-60 Hz, 50 W; 24 Vdc output to amplifier chassis
Dimensions and Weight: Height: 3.5 in.(8.89 cm); Width: 8.5 in.(21.6 cm); Depth: 10 in.(25.4 cm); Weight: 5.6 lb. (2.5 kg)
Package Type: Cardboard Box
Package Dimensions: 17.75 x 9.125 x 3.9375 in.
Shipping Weight: 7.795 lbs..
WEEE weight: 6.095 lbs.
Tariff code: 8518.50.0000
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We Offer A 30-Day Money Back Guarantee: 
Our main goal is to ensure your complete satisfaction with our service and products. If, for any reason, you are not 100% satisfied with your purchase, you can return it within 30 days of the purchase date for a full refund. Our 30-day money back guarantee applies to all of the products we sell, except for: TVs and monitors 20" and larger, Special Order merchandise, or any item indicated as non-returnable. Shipping is not refundable. Prior to returning your purchase, a Return Merchandise Authorization (RMA) number will be provided to you.

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Refunds on returned items will be issued in the same payment form as received from the customer at the time of purchase. Once we receive the product and it passes inspection, we will credit your account. Please allow 3 - 6 business days for a credit to appear on your account.

Exchanges:
If the item was sent back to us for an exchange, please allow 3 - 5 business days for the replacement to be processed.

No Returns/Exchanges on the following:

TVs and monitors 20" and larger
Special Order merchandise
Any item indicated on the website as non-returnable

For more information see our official Return Policy


  • Shipping Info
    We offer free ground shipping on every purchase of $300 and more for US and US territory. We deliver worldwide.
  • Payment Methods

  • Return Policy
    We Offer a 30-Day Money Back Guarantee