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Description
Adcom GIA-275 Integrated AmplifierAdcom GIA 275 Integrated Amplifier at Vinyl Sound Toronto Canada 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
Adcom GIA-275 Integrated Amplifier at Vinyl Sound Toronto Canada
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 Toronto, Canada.
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, making it a complete audio system hub for both traditional and modern sources. It is available at Vinyl Sound in Toronto, Canada.
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, with sufficient reserve for transient peaks in complex musical passages.
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. This allows the GIA-275 to serve as a high-resolution USB DAC for computer-based audio playback without requiring an external converter, and to accept 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, reducing the compression artifacts associated with standard Bluetooth SBC. The external antenna improves reception range and connection stability compared to internal antenna designs. Pairing is straightforward from any Bluetooth-enabled smartphone, tablet, laptop, or other A2DP-compatible device.
What digital inputs does the GIA-275 accept?
The GIA-275 accepts digital audio via two coaxial (S/PDIF) inputs, two optical (TOSLINK) inputs, and one USB input, in addition to Bluetooth. It also provides two coaxial and two optical digital outputs, allowing the GIA-275 to route digital signals to an external DAC or recording device. All digital inputs are processed through the onboard Wolfson WM8740 DAC at up to 24-bit / 192kHz resolution.
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 where minimizing component count and cabling is a priority. Its 80-watt-per-channel output provides sufficient power for most bookshelf and floor-standing loudspeakers in rooms up to medium size, and its full connectivity — analog, digital, USB, and Bluetooth — eliminates the need for additional components in most modern system configurations.
Where can I buy the Adcom GIA-275 in Canada?
The Adcom GIA-275 is available at Vinyl Sound, an authorized Adcom dealer in Toronto, Canada. Browse the full integrated amplifier collection at Vinyl Sound or contact our team for system advice and in-store demonstrations.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy