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Adcom GIA-275 Integrated Amplifier
$895.00
Product Details
Adcom GIA-275 Integrated Amplifier at Vinyl Sound Buffalo NY
The Adcom GIA-275 is a compact integrated amplifier designed for modern systems, combining power amplification, preamplification, a built-in Wolfson WM8740 DAC, Bluetooth aptX, and USB audio in a single, understated unit. Delivering 80 watts per channel into 8 ohms and 120 watts into 4 ohms, it connects seamlessly to analog sources, digital sources, flat-screen TVs, and Bluetooth-enabled devices. Available at Vinyl Sound in Buffalo, NY.
Wolfson DAC and High-Resolution Digital Audio
At the core of the GIA-275's digital performance is a Wolfson WM8740 DAC, capable of converting digital recordings at up to 24-bit / 192kHz resolution. USB Audio 2.0 support enables direct connection to Windows (XP, Vista, 7, 8) and Apple Mac computers, with driver software provided for Windows 32-bit and 64-bit systems. The firmware is field-upgradeable via mini USB, ensuring the GIA-275 can be updated as audio standards evolve. Two digital coaxial and two digital optical inputs allow connection to CD transports, flat-screen TVs, and other digital sources with no signal compromise.
Bluetooth and Analog Connectivity
Bluetooth v4.0 with aptX and an external antenna enables CD-quality wireless streaming from smartphones, tablets, and laptops with minimal setup. For traditional analog sources, two AUX inputs accommodate CD players, turntables with external phono stages, and other line-level components. Digital coaxial and optical outputs allow the GIA-275 to serve as a digital hub, passing signals to external DACs or recording devices. The result is a single component capable of replacing a preamplifier, DAC, Bluetooth receiver, and power amplifier in a compact, straightforward package.
Key Features
- 80W per channel into 8 ohms / 120W per channel into 4 ohms for confident control and dynamic headroom
- Built-in Wolfson WM8740 DAC for high-quality digital-to-analog conversion up to 24-bit / 192kHz
- Bluetooth v4.0 with aptX for CD-quality wireless streaming, with external antenna for robust connection
- USB Audio 2.0 compatible with Windows XP/Vista/7/8 and Apple Mac; firmware upgradeable via mini USB
- 2x Digital Coaxial and 2x Digital Optical inputs and outputs for flexible digital system integration
- Dual analog inputs (AUX 1 and AUX 2) for CD players and other line-level sources
- Standby power under 0.5 watts for energy efficiency
- Compact footprint suited to smaller spaces, secondary systems, and minimalist setups
- Dual voltage compatible at 120VAC and 230VAC / 50-60Hz
Technical Specifications
| Specification | Value |
|---|---|
| Output Power — 8 Ohms | 80W per channel, 20Hz–20kHz |
| Output Power — 4 Ohms | 120W per channel, 20Hz–20kHz |
| THD + Noise (80W into 8 ohms) | Less than 0.7% |
| THD + Noise (120W into 4 ohms) | Less than 0.7% |
| Frequency Response | +0 / -0.55dB, 10Hz to 20kHz (1W into 8 ohms) |
| DAC Chip | Wolfson WM8740 |
| DAC Resolution | 24-bit / 192kHz |
| Bluetooth | v4.0 with aptX (CD quality), external antenna |
| USB | USB Audio 2.0 — Windows XP/Vista/7/8 and Apple Mac compatible |
| Analog Inputs | AUX 1, AUX 2 |
| Digital Inputs | 2x Coaxial, 2x Optical, 1x USB |
| Digital Outputs | 2x Coaxial, 2x Optical |
| Standby Power | Less than 0.5 watts |
| Power Supply | 120VAC and 230VAC / 50-60Hz |
| Dimensions (W x D x H) | 11.8" x 13.7" x 7.8" (30 x 35 x 20 cm) |
| Weight | 6 lbs. (2.7 kg) |
| Shipping Weight | 8 lbs. (3.6 kg) |
Frequently Asked Questions
What is the Adcom GIA-275?
The Adcom GIA-275 is a compact integrated amplifier combining an 80-watt-per-channel stereo power amplifier, preamplifier, Wolfson WM8740 DAC, Bluetooth v4.0 with aptX, and USB Audio 2.0 in a single unit. It accepts analog, digital coaxial, digital optical, USB, and Bluetooth inputs. Available at Vinyl Sound in Buffalo, NY.
What is the power output of the Adcom GIA-275?
The GIA-275 delivers 80 watts per channel into 8 ohms and 120 watts per channel into 4 ohms, both measured across the full 20Hz to 20kHz audio band. This output level provides confident dynamic headroom for a wide range of loudspeakers in small to medium-sized rooms.
What DAC does the GIA-275 use and what resolution does it support?
The GIA-275 uses a Wolfson WM8740 DAC, capable of processing digital audio at up to 24-bit / 192kHz resolution via USB from a connected Mac or Windows computer, and up to 192kHz content from compatible digital sources connected via coaxial or optical inputs.
How does Bluetooth work on the GIA-275?
The GIA-275 uses Bluetooth v4.0 with aptX codec support and an external antenna. aptX delivers audio quality equivalent to CD over a wireless connection. The external antenna improves reception range and connection stability. Pairing is straightforward from any Bluetooth-enabled smartphone, tablet, laptop, or other A2DP-compatible device.
Is the GIA-275 suitable for a small or secondary system?
Yes. The GIA-275's compact footprint and all-in-one design make it particularly well suited to smaller rooms, desktop setups, bedroom systems, and secondary listening spaces. Its 80-watt-per-channel output and full connectivity — analog, digital, USB, and Bluetooth — eliminate the need for additional components in most modern system configurations.
Where can I buy the Adcom GIA-275 in the USA?
The Adcom GIA-275 is available at Vinyl Sound, an authorized Adcom dealer in Buffalo, NY. Browse the full integrated amplifier collection at Vinyl Sound or contact our team for system advice and in-store demonstrations.
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