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Grand Integrated X-1

Grand Integrated Amplifier - Asynchronous USB DAC

440 watts of brushed titanium power, asynchronous USB, Bascom King hybrid tube preamplifier and 24bit/192kHz ESS Sabre DAC come together in a truly no-holds-barred integrated amplifier.


440 watts of Peachtree performance!

The Grand Integrated X-1's aluminum faceplate is over ½ inch thick with engraved input names that won't rub off.

The class A headphone amplifier will push any headphone on the market to its full potential, as reported in 6moons.

The Grand Integrated X-1 is Peachtree’s no-holds-barred integrated amp. It houses four custom matched components in one box, saving you space without compromise. In this one chassis, you’ll find a high resolution DAC, a hybrid tube preamplifier with a VCA volume control, a 440 wpc balanced amplifier, and a state of the art headphone amp. It’s so simple to use, anyone can enjoy great sound at the push of a button and the turn of a knob.

The updated X-1 model employs an XMOS receiving chip that’s driver free for Mac and uses only a simple driver for Windows.

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Grand Integrated X-1


The Reasons It Sounds So Good

Preamp and Amp Synergy was the goal from the start. The on-board 440 watt per channel Class D amplifier was voiced to work in perfect harmony and highlight the sonic signature of the Grand Pre. This combination creates a sound that is nothing short of awesome. The added ability to drive the most demanding speakers makes the Grand Integrated X-1 an easy choice for the discerning music lover who demands the dynamic range and SPL that only big power can deliver.



The ESS Sabre32 9018 Digital-to-Analog Converter is widely recognized as the world’s best 32-bit DAC and we obviously agree. It’s specially designed for jitter-prone sources using Hyperstream Reclocking, a patented Time Domain Jitter Eliminator that knocks down all incoming jitter to almost immeasurable levels! That means you can have unmatched audio clarity from all of your digital sources including your computer, digital streamer, CD player, even your cable box.


The 24/192 Asynchronous USB Input furthers the efforts of the ESS Sabre DAC. Asynchronous communication allows a high-precision clock inside the Grand Integrated X-1 to control the flow of information from computer to DAC. This further keeps jitter at bay by not relying on the less precise audio clock in the computer.


Galvanic Isolation prevents electrical noise from entering the DAC board on all grounded digital inputs. Any contamination due to the switching power supply, multiple ground points, and high-speed processing is isolated from the DAC so nothing but pure 1’s and 0’s reach the board. That means better signal, less noise and the most significant improvements in USB sound quality overall.


The Bascom King Tube Buffer uses two musically legendary 12AU7s to smooth the harsh digital edge found in poor recordings and compressed audio. The headphone amp signal is run through the tube stage so you can plug in your favorite set of cans and enjoy that smooth tube sound in solitude. A tube bypass button, found on the remote control, allows for solid state or hybrid tube listening modes.


Home Theater Bypass makes it possible to have a high-performance stereo system work in conjunction with your home theater by using the Grand Integrated X-1 as an amplifier while watching movies and as a full-featured component when listening to music. You can have your theater and your music, too!


The Amp is 90% energy efficient with very little heat output and very low THD. Want virtually unlimited dynamics? The Grand Integrated X-1's got 'em.



Grand Integrated X-1 Specifications

Grand Integrated X-1 Back Stage Pass

1) AC Power Cord Attachment & Fuse: Detachable.

2) Standby Switch: Turns mains on and off.

3) 12V Trigger: Turns on other 2-12V connected devices.

4) Digital Filter Slope: User selectable DAC filter slopes. Sharp measures better but slow is generally preferred.

5) BNC Digital Input: Professional 75ohm digital connection.

6 & 7) Coaxial Digital Input 1 & 2: Common on CD players,
Sonos players, Slim Devices Squeezebox, and a host of other digital audio sources.

8 & 9) Optical Digital Input 1 & 2: Common on CD players, cable boxes, Apple products, and other digital audio sources.

10) Home Theater Bypass Switch: HT bypass mode allows the user to integrate the Grand Integrated X-1 into a Home Theater setup by making Aux1 a “throughput” for the surround processor.

11 & 12) Aux/HT Input & Aux 2 Analog Input: Line-level input suitable for tuners, phono stages, tape decks, etc.

13) Voltage Switching: For international use.

14) USB Digital Input: Takes digital audio content off your
computer and sends it to the Sabre DAC via I2S configuration.

15) Line Out: Fixed output to use the Grand Integrated X-1 as remote switching DAC into another preamp.

16) High Pass Pre Out: Operates full frequency when the High Pass switch isn’t activated. When the switch is activated, it outputs at 80Hz and above with a 12db/octave slope.

17) Pre-Out: Allow you to use an external amp with the Grand Integrated X-1, and also provide connections for a subwoofer.

18) Speaker binding posts: Left and right speaker terminals.

440 watts per channel 8 ohms 20Hz-20kHz

Fixed line-level RCA stereo output: 2V rms, 448 ohms

Variable RCA stereo output: 8V rms /11.2V peak, 448 ohms

S/N at the variable analog output: 104db

Jitter measured at the master clock: < 3.0ps

Power supply: 69,000uf of filtering

green environment

CH/CH tracking: 0.025dB

Stereo separation: 96dB

Defeatable 80Hz high-pass output

Selectable Home Theater Bypass input

Independent discrete outputs

Dimensions: 4.8 x 17.5 x 16.5 (inches)
Including feet, knob and connectors

Weight: 28 lbs

Warranty: 3 years parts and labor 6 mo. tubes

Design and Final Assembly in U.S.A.


The full function remote control includes phase inversion and tube switching which allows you to customize your listening experience on the fly.


AudioStream Greatest Bits Award

"…you can drive even unreasonable speaker loads into gut-wrenching musical glory.
Dynamics are effortless and the Grand Integrated never sounds as if it's anywhere near a strain.
…a nearly uncanny sense of clean and quiet power as if you're hearing exactly what resides on your recording..."

Read the full review...

Six Moons logo "It's modern lifestyle hifi whose sound values conform to high-end expectations, then add smarts and conveniences even high-enders would love to have if they could just admit to it. So now Peachtree Audio plays in the big leagues..."

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part-time-audiophile-300.png"Ok, I love those big, flat speakers, can you tell? But the story here was what was driving them — the new Peachtree Grand Integrated.
... Peachtree's best work, by far."

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HiFi Test logo

The latest rave review of the Grand Integrated appears in Germany's HiFi Test magazine. If you don't read German, let us translate: They like it!

Full review here...

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