Professional Power Amplifiers

(All models have same back panel connections)

Gemini’s GPA Series Power Amplifiers provide you with excellent value for a wide range of intermediate power applications. With its bi-polar output stage technology and comprehensive protection circuitry to prevent overheating, the GPA Series gives you the high end features you want in a product that is well within your budget.

FEATURES

Comprehensive Protection Circuitry with Protect LED Indicator

¼” TRS & XLR Balanced/ Unbalanced Inputs

3 Modes of Operation- Stereo, Parallel Mono, and Mono Bridge

Decibel (dB) Level Meter with Clip LEDs

Aluminum Extrusion Heat Sink Design with Directly Mounted Output Transistors for No-Fault Operation

Subsonic and Ultrasonic Filters for Better Protection and More Efficient Operation

Speakon & ¼” Speaker Outputs

30 Hz to 50 kHz Frequency Response, <0.05% THD (0.02% Typical)

High Output Power to Drive Professional Loudspeakers without

Clipping

Ground Lift Switch

Air Guide with Front-to-Rear Airflow and Cooling Fan for Thermal Stability and Reliability

Specifications

• Protection: Short Circuit, DC, Thermal Cut-off, Sub/Ultrasonic

• Dimensions: 19”W x 10.75”D x 3.5”H (483 x 273 x 89mm)

Frequency Filters, Turn-On Delay, Main Fuse, Secondary DC

• Input Impedance Unbalanced: 10 kOhm

Fuses

• Total Harmonic Distortion: > 0.05%, typical 0.02% at 1 kHz

• Indicators: 1 Power LED, 1 Protect LED (except GPA-1000),

• Output Power EIA: 1 kHz at 1% THD, WRMS

VU-Meter Per Channel

• Frequency Response: 30 Hz - 50 kHz • Slew Rate: 20 V/μS

• Cooling: Fan, Front-to-Rear Forced Air

• Damping Factor: Greater Than 200 at 8 Ohms

• Signal to Noise Ratio: 100 dB Below Rated Power at 8 Ohms

• Input Sensitivity (For Rated Power at 8 Ohms): 1 VRMS

• Input Impedance Balanced: 20 kOhm

• AC Power Requirements: 110-120V/ 60 Hz; 220-240V/ 50 Hz

• Balanced/ Unbalanced Inputs: XLR & ¼” Jack

• Speaker Outputs: Speakons & ¼” Jack

Amplifiers

 

GPA-1000

GPA-2000

 

 

GPA-3000

 

GPA-4000

Both Channels Driven at 8 Ohms

70W RMS / 140W PEAK

85W RMS / 170W PEAK

 

140W RMS / 280W PEAK

200W RMS / 400W PEAK

Both Channels Driven at 4 Ohms

90W RMS / 180W PEAK

110W RMS / 220W PEAK

 

200W RMS / 400W PEAK

300W RMS / 600W PEAK

Mono Bridge at 8 Ohms

 

180W RMS / 360W PEAK

220W RMS / 440W PEAK

 

400W RMS / 800W PEAK

600W RMS / 1200W PEAK

Momentary Peak Output

 

1000 W

2000 W

 

 

3000 W

 

4000 W

Dynamic Headroom at 8 Ohms

 

1.3 dB

1.4 dB

 

 

1.5 dB

 

1.6 dB

Dynamic Headroom at 4 Ohms

 

1.8 dB

1.9 dB

 

 

2.0 dB

 

2.2 dB

Voltage Gain

 

27 dB

28 dB

 

 

30 dB

 

32 dB

Power Consumption, rated at 4 Ohms,

400 W

500 W

 

 

800 W

 

1200 W

both channels driven

 

 

 

 

 

 

 

 

Weight

 

13.6 lbs (6.2 kgs)

16.5 lbs (7.5 kgs)

 

 

18.3 lbs (8.3 kgs)

20.2 lbs (9.2 kgs)

 

 

*Specifications subject to change without notification for improvement

 

 

 

 

 

 

 

 

 

 

GCI Technologies Corp.

1 Mayfield Avenue, Edison, NJ, USA 08837

 

T: +1 732 346 0061

Email: sales@gci-technologies.com

Gemini Sound Products, S.A.

Caspe 172 , 1A, 08013 Barcelona, Spain

 

T: +34

93 436 37 00

Email: info.spain@gci-technologies.com

GCI Technologies Corp. GmBH

Lerchenstrasse 14, Haus 3 – 1. Stock, 80995 München, Munich, Germany

T: +49

(0) 89 319 019 80 Email: info.germany@gci-technologies.com

GCI Technologies Corp., Ltd.

Unit 44 Brambles Enterprise Center, Waterberry Drive, Waterlooville, PO7 7TH, UK

T: +44

(0) 87 087 00880 Email: sales.uk@gci-technologies.com

GCI Technologies Corp., S.A.R.L.

Parc de Levenement1, Alleed’Effiat, 91160 Longjumeau, France

T: +33

(0) 1 69 79 97 70 Email: info.france@gci-technologies.com

© GCI Technologies Corp. 2007 All Rights Reserved.

Rev. 09.07

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Gemini GPA-2000 manual Professional Power Amplifiers, Features, Specifications, All models have same back panel connections

GPA-2000, GPA-1000, GPA-3000 specifications

The Gemini series of printers, specifically the GPA-3000, GPA-2000, and GPA-1000 models, showcases advanced printing technology designed to cater to various needs in both commercial and industrial environments. Each model has its unique features, while retaining the core characteristics that define the Gemini brand's commitment to quality and efficiency.

Starting with the GPA-3000, this model stands out with its high-speed printing capability, achieving up to 200 pages per minute. The GPA-3000 integrates a state-of-the-art imaging system that ensures sharp and vibrant outputs, suitable for both text-heavy documents and high-resolution images. One of its main features is the automatic duplex printing function, which not only saves time but also reduces paper waste. Its user-friendly interface includes a touchscreen panel, allowing for easy navigation and customization of print settings. Additionally, the GPA-3000 is compatible with various media types, accommodating everything from standard office paper to specialty materials.

The GPA-2000 sits in the middle of the Gemini lineup, offering a balance of features and performance. With a printing speed of up to 150 pages per minute, it is ideal for businesses that require efficient document production without compromising quality. This model features an enhanced paper handling system, enabling it to process larger volumes without frequent interruptions for loading. The GPA-2000 also supports multiple file formats, streamlining the workflow for users by allowing them to print directly from USB devices or over a network. With its robust construction and low maintenance requirements, the GPA-2000 is a reliable choice for various printing tasks.

The GPA-1000, while the entry-level model of the series, does not fall short in performance. It provides a printing speed of up to 100 pages per minute and focuses on essential features that fulfill the needs of small to medium-sized businesses. The GPA-1000 allows for user-defined print settings, making it simple to customize outputs for different projects. Its compact design makes it an excellent fit for office environments with limited space, while still delivering high-quality prints. Despite its smaller scale, the GPA-1000 is built with energy-efficient technology, helping businesses reduce their overall carbon footprint.

In summary, the Gemini GPA series offers a range of features tailored to varied printing needs. With the GPA-3000 focusing on speed and versatility, the GPA-2000 balancing performance and efficiency, and the GPA-1000 delivering quality in a compact form, this lineup showcases the technological advancements and characteristics that set Gemini apart in the printing industry.