This Weekend - More Music
- cameronk97
- 3 days ago
- 3 min read
This weekend we present to our friends from the Sydney Audio Club a lovely "balanced system" the amp and speakers will work in harmony and the supporting products are truly wonderful.
If you come along, you will get what i mean. The one variation to the oroiginal plan, we will not have the new Stream products, they are in hot demand and ill expand on this on the day, its all good news.
The speakers from Latvia are the stunning ARETAI CONTRA 100S.
"Designed for smaller and medium-sized rooms, the compact Contra 100S are quite unusual speakers, allowing you to “see” each instrument located right where the recording engineer intended it to be.
The unique and innovative filter design, bi-pole radiation pattern and the closed type enclosure enables Contra 100S two 6” drivers to deliver a surprisingly deep and well-textured bass combined with a coherent mid-bass and treble balance.
The bass response of this 2.5-way speaker extends down to 30Hz. To eliminate shifted phase summation typical for ported systems of similar size we deliberately designed a sealed enclosure to keep the bass perfectly tight.
Our custom-designed waveguide delivers a soundstage of impressive depth and width. The neodymium tweeter delivers pristine, undistorted clarity up to 25kHz even at higher volume levels.
To give your experience that extra edge, our bi-amping terminal option allows you to use two amplifiers for separate HF/LF amplification paths."



Coherent near- and far-field soundstage experience
Controlled indirect spectral balance for lifelike reproduction
Ultra-low distortion drivers and precision components
Bass response optimized for small and medium-sized rooms
Structurally dampened humidity-proof enclosure
6” double-woofer topology for lower bass extension capability
Wider HF dispersion from the proprietary waveguide design
Filter-equalized low-bass extension tuned to 30Hz
Valve-friendly sensitivity and impedance
Technical specification
Closed passive 2.5-way passive stand / desktop speaker
Frequency range, Hz: 32 –30 000
Nominal power, Watts: 100
Sensitivity, dB/1m/2.83V: 87
Nominal impedance, Ohms: 4
Dimensions, cm: H40/W21.5/D25
Net weight single speaker, kg: 16
24 carat gold plated speaker terminals
Vibration decoupling pad
Optional Bi-wiring /Bi-amping connectors (2 terminal pairs)
The Circle Labs 200 will share the spotlight as Speakers need Amplification and visa versa and these two work really well together.
The A200 is now Circle Labs' flagship integrated amplifier.
This amplifier uses proprietary solutions from Circle Labs.
The minimalist preamplifier based on the Siemens nos tube is combined with a solid-state power amplifier in Circle Power technology.
Final stage ensures appropriate dynamics and good drive for most of the loudspeakers available on the market.
The amplifier is equipped with a remote control.
The A200 is a hybrid integrated amplifier that offers power output of 120W/8Ω, 200W/4Ω and is equipped with a balanced XLR input, four pairs of RCA inputs and a direct power amplifier input that bypasses the preamplifier. Volume regulation is implemented via a resistor ladder sourced from the prestigious company Khozomo. Resistors with a tolerance of 0.1% are switched using state of the art relays which guarantees the highest possible precision and long term durability traditional potentiometers can't match. The A200's preamplifer is designed around a NOS Siemens vacuum tube with stable polarisation; this minimalist solution allows for the lowest possible number of passive components: one vacuum tube, a resistor, and a state of the art capacitor made of solid copper foil. The extremely short signal path directly influences the neutrality of sound and dynamism of transmission. The A200's "Circle Power" topology is an original development of Circle Labs and we believe is the best combination of tube and transistor devices. This design uses a single-ended input stage with current steering of a BJT output stage and combines the detail and precision of single-ended systems with the efficiency and dynamics of balanced systems. The A200's power amplifier is a true dual-mono design with separate toroidal transformers and power supplies with a combined capacitance of 200,000µF




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