Arsenal Audio by API | VintageKing.com

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Arsenal Audio by API

The JDK Audio MP R-20 is a dual channel, high quality microphone preamp, designed from the ground up by API's design team to offer a versatile high quality input for Mmicrophones as well as instruments. Each channel features both a mic and an instrument input, with switched phantom power, phase, and pad. Metering is traditional analog VU. Features: 
<ul>
<li>Dual Mic Preamplifiers with 54 dB of gain 
</li><li>Custom analog VU meters for monitoring output level 
</li><li>Front panel, high-impedance instrument input with 45 dB of gain 
</li><li>Peak indicator 
</li><li>Pad switch attenuates the microphone signal by 20 dB, or the instrument signal by 10 dB 
</li><li>Switchable 48v Phantom power 
</li><li>Low distortion, low noise circuitry 
</li><li>Fully balanced output, both 1/4" and XLR </li></ul>The MP-R20 provides 2 channels of premium analog microphone pre-amplification designed to provide a low noise, solid front end for all audio applications. Meticulously detailed and solidly constructed, the R20 features custom analog VU meters and hands-on analog control of the gain level. Individual toggle switches control the selection of 48v, polarity, pad and a mic/instrument switch. Specifications: 
<ul>
<li>Inputs: Balanced XLR Mic jack (rear) Un-Balanced 1/4" Instrument jack (front) 
</li><li>Outputs: Balanced XLR and 1/4" parallel jacks 
</li><li>Microphone Input 
<ul>
<li>Gain: +55db (no pad), +36db (w/pad) 
</li><li>Min Gain: +9db (no pad), -10db (w/pad) 
</li><li>Pot Gain Range: 46db 
</li><li>Pad: -20db 
</li><li>Input Impedance: 6.8K Ohms 
</li><li>THD+N @ 1Khz, +4dbu: 0.013% 
</li><li>Bandwidth: +/- 0.5db, 20hz - 50Khz 
</li><li>THD+N @ 1Khz, +4dbu: 0.013% 
</li><li>Maximum Level: +20dbu 
</li><li>Signal-to-Noise Ratio: -90db </li></ul> 
</li><li>Instrument Input 
<ul>
<li>Max Gain: +31db (no pad), +21db (w/pad) 
</li><li>Min Gain: +10db (no pad), 0db (w/pad) 
</li><li>Pot Gain Range: 21db 
</li><li>Pad: -10db 
</li><li>Input Impedance: 500K Ohms 
</li><li>Bandwidth: +/- 0.5db, 20hz - 20Khz 
</li><li>THD+N @ 1Khz, +4dbu: 0.002% 
</li><li>Maximum Level: +20dbu </li></ul> 
</li><li>Signal-to-Noise Ratio: -80db 
</li><li>Current: 65mA, 7.3VoltAmps 
</li><li>Dimensions: 2U EIA 19" Rack 
</li><li>Height: 3.5 Inches 
</li><li>Width: 19 Inches 
</li><li>Depth: 10 inches 
</li><li>Weight: 12 lbs </li></ul>
(Specifications subject to change without notice)

JDK Audio by API R20 - 2 Channel Mic Preamp
2 Channel Mic Pre

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The JDK Audio R-24 Dual Channel, 4-band equalizer, features two identical channels of equalization in a rack mounted unit with internal power supply. The eq features continuously variable adjustment of frequency and gain using individual controls.

Features:
<ul>
<li>4 bands of equalization modeled after the classic APSI model 562 EQ 
</li><li>Each band offers continuously variable control of frequency and gain, using separate knobs 
</li><li>12 dB of boost/cut per band 
</li><li>All 4 bands are peak/dipping parametric configuration 
</li><li>Custom transformer balanced output 
</li><li>Fully balanced 1/4" and XLR input and output 
</li><li>High headroom +24 dB clip level </li></ul>
The EQ-R24 offers two channels of professional signal equalization. Modeled after the circuitry of classic high end EQ's, the R24 delivers an affordable combination of rugged construction and solid performance. EQ in and out are controlled by classic toggle switches, with gain and frequency selection accessed using individual control knobs.

Specifications:
<ul>
<li>Inputs: Balanced XLR and 1/4" parallel jacks 
</li><li>Outputs: Transformer Balanced XLR and 1/4" parallel jacks (All measurements with 600 Ohm output load) 
</li><li>Bandwidth: +/- 0.5db, 20hz - 20Khz 
</li><li>THD+N @ 1Khz, +4dbu: 0.01% 
</li><li>Maximum Level: +23dbu 
</li><li>Signal-to-Noise Ratio: -100db 
</li><li>EQ Bands: 4 bands, all +/-12db Peak/Dip type 
</li><li>Lo: 20hz - 200hz 
</li><li>Lo-Mid: 100hz - 1Khz 
</li><li>Hi-Mid: 500hz - 5Khz 
</li><li>Hi: 2Khz - 20Khz 
</li><li>Current: 65mA, 7.3VoltAmps 
</li><li>Dimensions: 2U EIA 19" Rack 
</li><li>Height: 3.5 Inches 
</li><li>Width: 19 Inches 
</li><li>Depth: 10 Inches 
</li><li>Weight: 13 lbs 
</li><li>Input Impedance: 12K Ohms 
</li><li>Output Impedance: 300 Ohms Transformer Balanced </li></ul>
(Specifications subject to change without notice)

JDK Audio by API R24 - Dual Channel EQ
Two-channel four-band equalizer

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The JDK Audio V 14 is an extremely high quality, single channel 4-Band Equalizer designed for the popular API VPR500 Rack format. The EQ features continuously variable adjustment of frequency and gain on dual concentric pots, with an eq in/out switch. Features: 
<ul>
<li>4 bands of equalization modeled after the classic APSI model 562 EQ 
</li><li>Each band offers continuously variable control of frequency and gain 
</li><li>12 dB of boost/cut per band 
</li><li>All 4 bands are peak/dipping parametric configuration 
</li><li>Custom transformer balanced output 
</li><li>High headroom +24 dB clip level 
</li><li>Designed to fit API's 500 VPR Rack or Lunchbox® </li></ul>Arsenal's V-14 offers a single channel of professional signal equalization in the popular 500 VPR format. Modeled after the circuitry of classic high end EQ's, the V14 delivers an affordable combination of rugged construction and solid performance. The V14 also features EQ in and out switch, plus dual concentric knobs which provide continuously variable control of boost/cut and frequency selection. Specifications 
<ul>
<li>I/O: Balanced Input and Output through VPR Rack (All measurements with 600 Ohm output load) 
</li><li>Bandwidth: +/- 0.5db, 20hz - 50Khz 
</li><li>THD+N @ 1Khz, +4dbu: 0.01% 
</li><li>Maximum Level: +24dbu 
</li><li>Signal-to-Noise Ratio: -102db 
</li><li>EQ Bands: 4 bands, all +/-12db Peak/Dip type 
</li><li>Lo: 20hz - 200hz 
</li><li>Lo-Mid: 100hz - 1Khz 
</li><li>Hi-Mid: 500hz - 5Khz 
</li><li>Hi: 2.2Khz - 20Khz 
</li><li>Current: 30mA, 3.4VoltAmps 
</li><li>Dimensions: 1 VPR Alliance Slot 
</li><li>Height: 5.25 Inches 
</li><li>Width: 1.5 Inches 
</li><li>Depth: 7 Inches 
</li><li>Weight: 1.5 lbs 
</li><li>Input Impedance: 12K Ohms 
</li><li>Output Impedance: 300 Ohms Transformer Balanced </li></ul>
(Specifications subject to change without notice)

JDK Audio by API V14 500 Series Equalizer
Four-band VPR 500 Series equalizer

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