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Boulder Amplifiers 1110
What is it that makes the 1110 preamplifier so special? It is something rare, an overachiever, a unique combination of reference-level performance and compact, convenient design. It is at once familiar in size and shape and yet completely new in aesthetic design detail. Perhaps what makes it so special is that it takes such amazing sight, sound, use, and feel and packs them all into a single chassis. It is the perfect mix of traditional function and cutting-edge technology, earning more than 10 international product awards from media around the world.
It is, after all, a Boulder, and every Boulder is special.
Five pairs of programmable, differentially-balanced inputs
Balanced version of Boulder's own analog volume control, descended from the 3010 Preamplifier, for superior clarity and noise elimination
Each input can be configured for Theater Mode when integrated into home cinema systems
Large, easy-to-read, LCD display
Available IP control connection for simple use connection to home automation systems
Unique front panel design displays the topographical map of Flagstaff Mountain, located near Boulder, Colorado
Full surface-mount circuit board architecture manufactured on Boulder's own precision pick-and-place machine
Comprehensive setup and options programming for all inputs and preamplifier functions
Automated online software management for worry-free updating
Boulder's own 983 gain stage means excellent buffering and current drive for long cable runs
Embedded ARM processor controls all preamplifier functions and setup options
Dual-mono audio boards isolate left and right channels for perfect stereo separation in a single-chassis design
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Boulder Amplifiers 1110 — Reference-grade neutrality with muscular low end
The Boulder 1110 is a precision-focused stereo preamplifier that pairs near-reference neutrality with unusually authoritative bass. As Paul Wilson for Future Audiophile observed, the 1110 delivers a clean, detailed presentation with lively dynamics and excellent imaging.
Measured performance and circuit design (fully differential path, ultra-low THD+N and wide clip-to-noise) support its transparency and dynamic headroom, while the optical volume control and per-input trim make source matching and level adjustments effortless. Built largely in Boulder’s Colorado facility, the 1110 emphasizes long-term reliability and serviceability.
Ideal for audiophiles seeking a high-resolution, system-centric preamp that excels on rhythm and pacing, the 1110 is a compelling proposition for premium systems and buyers who prize sonic accuracy and long-term value.
Pros
- Exceptional build quality and in-house manufacturing yield a durable, high-precision component.
- Highly neutral and transparent presentation with strong detail retrieval and very dynamic performance.
- Remarkably tight, controlled and realistic bass response that enhances rhythm and low-end definition.
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Cons
- No native RCA inputs — Boulder provides only balanced XLR terminations (adapter available separately).
- Front-panel display can be hard to read from typical listening distances, making on-unit menu feedback less convenient.
- Free-spinning, flush-mounted volume control can rotate quickly if accidentally spun, which may risk sudden large level changes.
Transparency
91/100
Reviewers repeatedly emphasize the 1110's neutrality — 'does not assert any of its own tonal colorations' — and that it lets the music come through. Spec sheet supports this with superb measured performance (THD+N 0.0015% / -96.5 dB, frequency response +0.00/-0.03 dB, clip-to-noise 118 dB and very low crosstalk). No reviewer used explicit 'black background' language, so score reflects near-reference transparency without overreaching.
Sound Quality
91/100
Dynamics
93/100
Reviewer describes the 1110 as 'very dynamic and lively' with 'nearly visceral dynamics.' Electrical specs (maximum output 14 Vrms, high clip-to-noise) and the 1110's robust gain/headroom support excellent preservation of micro- and macro-dynamics.
Soundstage Imaging
89/100
Imaging is described as excellent, with precise placement and good depth; the reviewer notes it wasn't quite as wide as a comparative T+A rig but not in a way that felt negative. Overall the preamp preserves spatial cues very well and provides convincing imaging and separation.
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Build Quality
95/100
Boulder’s in-house design, machining, PCB manufacture and assembly receive lavish praise ('quality is paramount', extensive in-house CNC and board production). The optical volume control, galvanic isolation and overall execution point to top-tier industrial and electrical design befitting its price.
Features Connectivity
89/100
Very well equipped: five balanced XLR inputs, two balanced main outputs plus an auxiliary balanced output, per-input trim for level matching, Theater Mode (HT bypass/tape-loop use), fully differential balanced signal path, and IP/IR/Boulder Net control for remote integration. These capabilities place it in the well-featured category for a high-end active preamp.
Value for Money
93/100
Reviewer explicitly calls the 1110 an 'outstanding relative cost' and a strong resale/investment proposition. At around $23k the preamp is a premium purchase, but reviewers argue the build, measured performance and sonics justify the price for buyers in this segment.
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