Stereo Bus Compressor with "Old" and "New" Compression, Thrust Circuit, Auto/Manual Gain Makeup, Variable Threshold, Sidechain Input, and Mix/Blend Circuit
หมายเลขสินค้า : AUDIO 2500+ STEREO BUS COMPRESSOR
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Stereo Bus Compressor with "Old" and "New" Compression, Thrust Circuit, Auto/Manual Gain Makeup, Variable Threshold, Sidechain Input, and Mix/Blend Circuit
The API 2500+ Stereo Bus Compressor allows adjustment of sonic qualities to alter the punch and tone of the stereo mix. The 19-inch, rack-mountable unit features a dual-channel design that can be configured for stereo compression or for use as two separate units via a single compression setting.
Among the many qualities which make the 2500+'s unique is its use of API's patented THRUST® circuit for a chest-hitting, punchy bottom end. Another distinctive feature of the 2500+ is its selectable "old" or "new" compression, with the old style using the "feed back" type of compression found in the API 525, and the new style using the "feed forward" type in which the compressor side chain is fed directly from the unit input. Additionally, the output stage of the 2500+ offers an auto-makeup gain button that permits the user to vary the threshold or ratio while automatically maintaining a constant output level.
Added to the 2500+ is the Mix/Blend circuit. First featured in the limited production 50th Anniversary Edition, Mix/Blend control provides either cross fader or parallel mixing of the compressed and uncompressed signal. Three different user settings are offered:
- OFF - compressed signal only
- X (Cross) - allows the MIX control to adjust between 100% uncompressed to 100% compressed - increasing one, while decreasing the other
- || (Parallel) - allows the MIX control to dial in compressed signal to blend into the uncompressed signal, (which remains the same).
The 2500+ ensures fidelity with its fully balanced design and two front panel VU meters showing input, output and gain reduction levels. The 2500+ features API's industry exclusive five-year parts warranty and offers the user the reliability, sonic excellence and long life characteristic of all API products.
Features
- API 2520 Op Amps
- Expanded variable threshold between -20dBu to +20dBu
- Selectable ratio, attack, and release times
- Patented THRUST® filter with 3 settings for frequency dependent side chain control
- Variable link between left and right channels
- Old "feed back" and new "feed forward" compression
- Soft, Medium, or Hard knee for easy to sharp compression
- Auto or manual gain make up
- 1/4" balanced side chain inputs
- Output clips at +32dBu
- New Mix/Blend circuit
- "Over Threshold" LED illuminates when input audio crosses the set threshold
- Stereo analog meters to show input level, output level, and gain reduction
- Full hard-wired relay bypass
Parallel compression done right
The Mix/Blend circuit found on the API 2500+ does a lot more than the simple wet/dry blend pot found on many modern compressors, giving you the option of either crossfading or parallel mixing of the compressed and uncompressed signals. First of all, the circuit can be hardwire relay bypassed entirely to deliver a purer signal than a standard blend pot simply maxed out to fully “wet” — a feature golden-eared engineers will appreciate. Next, when engaged and set to X (Cross), the Mix control lets you crossfade between fully uncompressed and fully compressed, literally increasing one while decreasing the other. In || (Parallel) mode, the MIX control effectively dials in your desired amount of compressed signal to blend in with the uncompressed signal, which remains constant. In case you’re wondering; trust us — these two active modes do sound and behave differently and you’ll quickly find uses for each.
Equip Your Studio with Iconic API Compression
If you’re after versatile compression, the API wrote the book. While the 2500+ is set up for stereo compression, you can also use it dual-mono. However you use it, though, you’ll have a range of compression styles to dial in — all highly musical, all incredibly usable. The 2500+ sports API’s patented Thrust circuit, a proprietary loudness contour that packs a powerful punch, imbuing each octave with the same energy (instead of half the energy as the next lowest one, as is the normal state of affairs).
The Old/New Tone Type switch lets you choose between classic feedback and modern feed-forward compression styles. Whether you’re using it for drum stems, guitars, bass, vocals, or as a stereo bus compressor to pump up your mixes, the 2500+ delivers the iconic API analog sound and "slam factor" that has been relied on by recording engineers and heard on countless hits for a half century. Simply put: every serious studio needs the API 2500+.
Incredibly versatile, highly musical
When you choose API, you know you’re getting legendary sonic character. And with the API 2500+, you’ve got a range of character to choose from. To start, the 2500+ is equipped with API’s patented Thrust circuit before its RMS detector, which delivers punchy, old-school low end. There are also two types of compression onboard the API 2500+ — Old and New. The Old style uses the feedback type of compression in which the detector is placed after the VCA (as found on the classic API 525), while the New style uses a feed-forward type for a faster response typical of many popular modern compressors.
The API 2500+ is stereo-ready, but sports a variable link between the left and right channels, so you can independently put the channels to work on your mono sources. Whatever way you use it, you’ll appreciate having API’s auto-makeup gain button on the output stage. It lets you vary the API 2500+’s threshold or ratio, while automatically maintaining a consistent output level.
Sidechain input for creative ducking
Every dynamics processor has a sidechain circuit that examines the signal and determines how much the VCA will reduce gain — but not every unit provides access to its sidechain. In compressors without a separate sidechain input, your main input signal is, essentially, compressing itself. With compressors that have a separate sidechain input — like the API 2500+ — you can introduce a different signal that determines the compression action on the main signal.
An overt illustration of sidechaining is the “pumping” effect that’s popular in EDM production. A control signal — let’s say, a bass drum — is plugged into the sidechain input, triggering the detector and causing the main signal — a synth bass, in this example — to "duck," under each bass drum hit. This clears the way for maximum kick drum impact. Another classic use is for auto-ducking music under a voiceover, as in a radio commercial spot. Sidechaining can be used creatively in many ways, limited only by your imagination!
API — the legendary American pro audio company
No American pro audio company is more iconic than API. Launched in 1968 by Saul Walker, Automated Processes Inc. began building quality consoles for broadcast applications. Soon, the company’s products found favor with recording studios, and a string of industry-leading innovations (including the 500 Series module, the first VCA, computerized console automation, and more) followed. API produced the 2520 amplifier, one of the most famous op-amps in the recording industry, and their consoles and products found homes in such iconic studio facilities as the Hit Factory, Record Plant, Ocean Way, Sunset Sound, and many others.
Specifications
Rear Connectors: XLR input, 1/4" side chain, XLR output
Input Impedance: 60K Ohms, Balanced
Output Impedance: 75 Ohms, Transformer coupled, Balanced
Maximum Output Level: +32 dBu
Frequency Response: ±0.5dB 20Hz to 50kHz
Signal to Noise Ratio: 120 dB
Power Consumption: 28.8 Watts
Size: 19" X 1.75" X 10.5" deep
Size (Boxed for Shipping): 23.25" X 6.5" X 16"
Unit Weight: 9.4 lbs.
Shipping Weight: 13.3 lbs
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32 ซอยรามคำแหง 24 แยก 30 (หมู่บ้านศิขริน) แขวงหัวหมาก เขตบางกะปิ กรุงเทพมหานคร 10240
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English Version : 082-623-6663