Call Us Toll Free
888-528-9703
Local/International (+1)
919-682-5552

0% Interest Free Financing Options Available

Call Us! Toll Free! 888-528-9703
Local / International (+1) 919-682-5552

Item selected is sold (details below). Related products available now:

View more Multi-Chan Pres View more from API

API Audio 3124+ 4-Channel Microphone Preamp - Used From API

Used 4 channel API mic preamp coming from a small smoke-free private studio with it's original packaging.

Buy Pre-owned from Sound Pure with Absolute Confidence

Sound Pure's dedication to pre-owned products is unprecedented in the industry. We are a small team of dedicated experts that buys, trades, and consigns. We are trusted by customers all over the world. Our curated collection, is thoroughly tested and inspected by some of the best in the business. Our inventory is constantly changing, ever-evolving, with some items sold before reaching the website. Looking for something specific? Have questions about this product's condition or history? Want more photos, or to simply chat with an expert who's had his hands on this actual piece? Contact us now.

Our Current Used/Vintage Collection »

Sound Pure's Consignment Program »

Luthier Certification for Used Instruments »

"Gone, Baby, Gone"

This one is sold. Don't miss the next one. Some things never even make it to the site so stay up to date on our used collection.

We get in many oddities, rare and vintage products, most of which go fast. If you're on the hunt for something specific, something unique, or something priced right, let us notify you on our used collection before the items even hit the site.

Want to know if one lands?

Notify Me

Want to discuss what's coming?

Call Us! Toll Free! 888-528-9703
Local / International (+1) 919-682-5552

Talk with a Specialist

What We Think

This preamp remains to be a favorite among rock engineers and as a preamp for drums kits and percussion. Nevertheless, it's somewhat subtle coloration makes it one of the great workhorse preamps still in production. Engineers have successfully utilized API-based preamps (on which the 3124+ is based) on projects from classical instruments on film scores all the way to indy-rock distorted electric guitars. It's the classic, unforgettable API-famed sonic texture keeps clients coming back to it. The 3124+ is particularly noted by it's compact 1 rack size, and affordable price. On a per-channel basis it is truly hard to beat. Request a quoteback and see for yourself.

Want More Great Content?

Manufacturer's Description from API

Features

Uses API 2520 Op Amps
Classic API console circuit
Four female XLR mic inputs
Four front panel 1/4" Hi Z instrument inputs
Front panel polarity switches
Front panel -20dB pad switches
Front panel mic/instrument switches
Front panel 48V power switches
Outputs clip at +28dBu

The API 3124+ is a high quality, compact, 4-channel mic preamp. It is equipped with the RE-115 K mic input transformer and the proprietary API output transformer found in the 512c single mic pre and throughout the API product line. The unit has an internal 48-volt phantom power supply, which is switchable for each channel, as well as -20dB pad switches that affect both the mic and Hi-Z instrument inputs, both located on the front panel.

Another feature of the 3124+ is that it can provide up to 65dB of gain to an output clip level of +28dBu. Additionally, the Hi-Z front panel inputs feed directly to the op amps, which allow a low level input such as a guitar or bass to be amplified without a matching transformer or direct box. These Hi-Z inputs can take input levels as high as +20dBu, making them perfect for keyboards and other high level devices. The mic preamp outputs are on rear panel male XLR connectors.

About Manufacturer

API (Automated Processes, Inc.) is world famous for its all-discrete audio products: studio and broadcast mixing consoles, and a full line of rack mount mic preamps, equalizers and processors. It all began with a dream. It was 1968. The company: Automated Processes Inc., formed by men with a vision. Best known for their now legendary "2520 amplifier", this unique amp has been and will continue to be the heart of all API discrete products. It continues to provide reliability and sonic purity unmatched by the competition. The resulting console met the needs of the music, commercial and broadcast industry. API became the leading audio broadcast console manufacturer for radio and television networks and high profile stations. In addition, recording studios, large and small, began using API.....and receiving rave reviews from engineers and producers. There are over 700 API consoles across the nation and around the world, including the three major networks. Over thirty years later, many of these consoles are still in daily use in some of the most prestigious recording and broadcast facilities in the world because, to date, there are few, if any consoles of equal sound quality at a cost-effective price.

Specifications

Specifications
Input Impedance:	1500 Ohms Mic, 470 K Ohms Un-Balanced, HI-Z in
Output Impedance:	Less than 75 Ohms Channel Outputs
Nominal Levels:	XLR Channel Output +4 dBu
Stereo Output Level:	Unbalanced: nominal -2, Balanced: +4
Clipping Level:	XLR Channel Output better than +28 dBm
Frequency Response:	+0, -5, 10 Hz to 20 kHz (-.5 at 10 Hz)
Noise EIN:	-129 Mic, -125 Un-Bal. Actual
Measured Noise:	Better than -91 dBm / below Nominal +4.
Distortion:	All Outputs at +4 out, .03%, at +22, .09% Max
Gain Range:	150 Ohms Input 10 dB Min., 65 dB Max (inc. PAD). Un-Bal. Input 14 dB Min., 50 dB Max
VU Meter:	Calibrated for XLR Outputs, OVU=+4 dBu, (-12, -6, -3, 0, +3, +6, +18)
Controls:	GAIN, PAD (20 dB), 48Volts, POL (polarity), MIC (mic/un-ba;), VU, AC
Power Consumption, Quiescent:	.66 Watts
Size:	19" X 1.75" (1U) X 11" Deep
Size (Boxed for Shipping):	23.25" X 6.5" X 16.5"
Actual Weight:	10.38 lbs.
Shipping Weight:	14.06 lbs.