Primare I30 Integrated Amplifier

Primare I30 Integrated Amplifier
The I30 is an integrated preamplifier and power amplifier with extraordinary performance for
its price.
High-performance power amplifier
The amplifier is capable of delivering 100watts into an 8 ohm load and 180watts into a 4 ohm
load. Its robust topology means that loudspeakers will always receive a highly stable and
symmetrical signal. Even so, special care has been taken to protect loudspeakers against
faulty input signals. Four individual DC-servos together with DC-blocking and protection circuit
provide this state of the art protection.
Careful design for operational stability
As with all Primare units, the I30 is housed in an alloy heavy gauge steel chassis, which
provides strength, rigidity, and screening, while being effective at damping vibrations from
external sources.
Display and audio circuits are isolated
The front panel design isolates the display circuitry from the audio circuitry to avoid
interference
Fully balanced Dual-Mono design
The I30 provides the opportunity to enjoy the benefits of ultra-low noise ‘balanced’ signal
transfer, of the kind employed by recording engineers. It is fully balanced all the way from the
balanced (XLR) inputs to the speaker outputs.
Balanced signal transmission means that two signal lines are used per channel, which carry
the same signal with opposite phase. On the receiver side the signals are mixed, and since
any interference that has arisen during the transmission will be present in both lines with
identical phase, such noise and distortion products are cancelled out leaving only the pure
original signal. Balanced connection therefore keeps the signal as free as possible from
interference.
The I30 is a dual-mono design, ensuring that each channel remains electrically independent
and identically resourced throughout. Each channel has its own identical, dedicated mono
amplifier incorporating a heavy-duty custom-made toroidal transformer and low noise
regulated power supplies.
To increase the dynamic range, the input buffers and the unbalanced to balanced conversion
stage have been improved with the use of Burr-Browns OPA2134, one of the best operational
amplifiers available.
Clean power supply for the best possible performance
Each part of an electronic design has specific power requirements. Primare’s forensic
approach to ensuring that clean power is supplied throughout the design is a key part of its
design philosophy and has significant sonic benefits.
more…
The amplifier uses one separate power transformer for each channel. The rectification and
regulation is ‘floating ground’ configured instead of the standard ‘fixed ground’ approach. This
is to keep any disturbance and hum as low as possible. The driver stage and preamp stage
are individually regulated, so is the digital supply to the front panel. Ten individual power
regulators are used, an unusually high number for an integrated amplifier.
Shortest signal paths
Special care has been taken while designing the circuit to keep the signal path as short as
possible. SMD components, including excellent 1% MELF–type resistors are used whenever
possible.
Precise volume control
Four digital volume controls, two per channel, are used to ensure a precise channel balance
and a flat frequency response at any volume level
Clean input switching
The input signal switching is carried out with solid-state relays, which give a much higher
performance than the more commonly used C-Mos switches.
For special applications a 180 degrees phase shift function is provided.
Flexible inputs and outputs
The amplifier incorporates two sets of balanced inputs (XLR) and four gold-plated unbalanced
inputs (RCA) for CD, Tuner, Aux and Tape. A Preamp Output is provided for bi-amping
configurations and a record output is provided.
The amplifier incorporates the massive high quality gold-plated speaker terminals suitable for
most audiophile speaker cables.
Intuitive user interface
In keeping with the philosophy of the Primare range of systems, the I30 can be controlled
through a very simple and intuitive set of front panel controls.
Alternatively all the functions of the I30 can be controlled by the C22 RCU supplied, or by
using the optional C32 RCU.
Although the I30 is flexible enough to work with virtually any other equipment you have in your
system, it is ideal for use with the other products in the Primare range, such as the Primare
CD31 CD Player. A particular benefit of using the I30 with other Primare sources is that you
can control your entire system with a single remote control, to give you a fully integrated
system with the simplest possible user interface.
more…
Specifications
Output power per channel 2 x 100W into 8Ω, 2 x 180W into 4Ω

Speaker terminals 4 –16Ω
Output impedance <0.06Ω
DC offset <3mV
Balanced inputs 560mV
Line inputs 280mV
Tape outputs 280mV
Frequency response <10Hz – 100kHz, -3dB
THD <0.07% at full power
Signal-to-noise, line -100dB (A-weighted)
Mains 100/115/230V
Power consumption 600W max
Peak current ±40A
Dimensions (WxDxH) 430 x 375 x 100mm
Weight 15.5kg
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Primare I30 Integrated Amplifier

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Primare I30 Integrated Amplifier

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Primare I30 Integrated Amplifier

High-performance power amplifier

Careful design for operational stability

Display and audio circuits are isolated

Fully balanced Dual-Mono design

Clean power supply for the best possible performance

Shortest signal paths

Precise volume control

Clean input switching

For special applications a 180 degrees phase shift function is provided.

Flexible inputs and outputs

Intuitive user interface

Output power per channel 2 x 100W into 8Ω, 2 x 180W into 4Ω

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