- Main Features:
- Four audio inputs
- Paging input with front-panel volume control
- Three inputs with VCA volume control adjusted using RDL remote control
- Bass and Treble tone controls
- Designed for background music with paging and music-on-hold
- Manual or automatic (VOX) priority ducking
- Balanced inputs and amplified outputs on detachable terminal blocks
- Unbalanced inputs and outputs on RCA jacks
- Includes power supply
- Automatic sleep mode meets strictest energy saving standards
- Specifications:
- Amplifier Zones (2): Zone 1 (Main): 35 W RMS, remote-controlled mixer (3 user controls) with paging input level control on front panel; Zone 2: 4 W RMS (8 Ohms), rear-panel mixer (trimmers)
- Audio Inputs (5): 2, balanced, mic or line switch selectable on terminal blocks; 2, unbalanced stereo summing inputs on RCA jacks; 1, unbalanced amp in on RCA jack
- Gain Adjustments (2): Inputs 1 and 2: Rear-panel single-turn trimmer
- Maximum Input Level: Mic Inputs: -9 dBu; Balanced line inputs: + 20 dBu; Unbalanced Inputs: + 5 dBV (+11 dBV, one input); (for 1% THD+N at output)
- Phantom Voltage: 24 Vdc (IEC 61938: 2013), switch-selectable for each mic input
- Ducking/Muting Actuation: Automatic (Input 1 VOX: rear-panel adjustable signal threshold with LED indicator) or Manual (contact closure to ground)
- Ducking/Muting Release Delay: Rear-panel single-turn trimmer, adjustable 2 to 6 seconds
- Ducking/Muting: Switch-selectable for inputs 2, 3 and/or 4, 25 dB ducking attenuation, nominal
- Effects Loop: Unbalanced RCA jacks (preamp output from main mixer, input to power amplifier)
- External RDL Module Power Output: 24 Vdc, 100 mA maximum, ground-referenced
- Input level (to cross compressor threshold equaling 23 W amplified output):
- Mic Inputs: -50 dBu (2.5 mV), (front panel and rear trimmer at max.)
- Balanced line inputs: -21 dBu (70 mV), (front panel and rear trimmer at max.)
- Unbalanced Inputs: -15 dBV (180 mV), (front panel and rear trimmer at max., both inputs driven)
- Noise (line or amplified outputs): Mic or Balanced line inputs: -70 dB (below compressor threshold at max gain); Unbalanced Inputs: <-75 dB (max gain)
- THD+N: < 0.5% (1 kHz at compressor threshold, main amp output); < 0.1% (line output, main)
- CMRR: Mic inputs: > 50 dB (50 Hz to 120 Hz); Balanced line inputs: > 80 dB (50 Hz to 120 Hz, transformer-coupled input)
- Compressor: Threshold 2 dB below rated output, automatically adjusting attack and release times
- Frequency Response (mixer):
- Mic to line output: ±1.5 dB (40 Hz to 25 kHz); Balanced line input to line output: ±1 dB (20 Hz to 20 kHz);
- Unbalanced line input to line output: ± 0.5 dB (20 Hz to 20 kHz)
- Frequency Response (amplifiers): Constant voltage: ±3 dB (50 Hz to 18 kHz); 4/8 Ohm: ±1 dB (50 Hz to 20 kHz)
- Tone Controls: ±10 dB @ 10 kHz, ±9 dB @ 100 Hz (front-panel) with center detent
- Audio Outputs (2): -10 dBV nominal (316 mV), dual mono unbalanced RCA (main mixer; FLAT or EQUALIZED, switch-selectable on rear panel); 0 dBu nominal balanced, terminal block (zone 2 mixer)
- MOH Output: 0 dBu nominal (775 mV), 600 Ohm transformer-isolated, 16 dB headroom
- Power Amplifier Outputs (2): Zone 1 (main): 35 W RMS (25, 70 or 100 V); Zone 2: 4 W (8 Ohms, on detachable terminal block)
- Indicators (9): Front-panel: Signal present (4; 1 per input, green), Compressor activity (red), Power (bright=on, dim=standby, blue); Rear-panel: dual-LED VU meter (for inputs 1 and 2, green/red), Ducking/muting threshold (yellow)
- VCA (3) : Zone 1 (main) inputs 2, 3 and 4, 0 to 10 Vdc control, RJ45 (compatible with RDL VCA wall controls)
- Front-panel controls (4): Zone 1 (main) paging level control (input 1), EQ (2, bass and treble), Power (momentary pushbutton, toggle on/standby)
- Rear-panel controls (22): Gain trimmers (2, input 1 and 2), Mic/Line switch (2, input 1 and 2), Zone 1 line output pre/post-EQ switch, Effects loop bypass switch, Sleep (standby) mode delay (4 binary switches), Input 1 ducking/muting detector sensitivity trimmer, Phantom voltage switches (2, input 1 and 2), Ducking control switches (3, to duck inputs 2, 3, and/or 4), Tone control paging bypass (includes or excludes input 1 from tone controls), Zone 2 mixer level controls (4, inputs 1 through 4)
- Efficiency Standard: “Energy Star® Program Requirements for Audio/Video” Version 2.0, applicable for passive remote control models (without muting)
- 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: -80 dBu mic (at max input gain), -55 dBu balanced line (at max input gain), -42 dBV unbalanced
- 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: 7.3 lb.(3.3 kg)
- Package Type: Cardboard Box
- Package Dimensions: 17.75 x 9.125 x 3.9375 in.
- Shipping Weight: 9.82 lbs.
- WEEE weight: 8.15 lbs.
- Tariff code: 8518.50.0000
