Tsakiridis Apollon Ultra

4864 €

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Apollon Ultra is a power amplifier in monoblock configuration. It’s design is a double push-pull implementing 4 power tubes per monoblock. All electronic components are through hole type soldered by hand. Apollon Ultra utilizes our 8 layer handmade output transformers with high quality core for superb sound quality.

Apollon Ultra implements a dual push-pull configuration for each channel allowing it to draw large amounts of power from the power tubes. So Apollon can drive easily power hungry loudspeakers. Gold plated RCA and XLR connectors are implemented for the signal input and WBT-0703 Next Gen binding posts for the loudspeakers. The XLR balanced input is pseudo balanced. True balanced XLR input can be provided upon request.

Carefully selected values and types of the electronic components contribute to the reliable circuits operation and the high sound quality of the amplifier. Metal film power resistors and Jantzen superior-Z signal capacitors are used in Apollon Ultra.

The meticulous PCB design ensures excellent behavior in SNR and distortion. Inner signal wiring with high quality shielded signal cable. Power wiring uses high quality copper cables of more-than-needed AWG gauge, to achieve low impedance power transfer. All power cables are twisted in pairs to minimize the electromagnetic interference.

The handmade multilayer output transformers allow the amplifier to reveal the sound stage and all the music details through the entire audio spectrum. Made by us and tested thoroughly for quality and reliability.

The same applies to the power transformer. The positioning of the transformers is such that minimizes the magnetic coupling between power and output transformers.

FEATURES & SPECS

Inputs	1 line input
Input/Output connectors	RCA gold plated
Speaker connectors	WBT-0703 Next Gen
Power supply capacitors	United Chemicon 105 °C
Signal capacitors	Jantzen Audio Superior-Z capacitors
Power resistors	Metal film 5% tolerance
Low power resistors	Metal film 1% tolerance
Power transformer	Handmade 400 W each unit
Output transformer	Handmade 8-layer windings with high quality core
Driving stage tubes	2 × 12AT7 each unit
Power tubes	4 × KT150 each unit
Output Power	2 × 140 W
Input impedance	100 kΩ
Output impedance	6 Ω
Input sensitivity	350 mV
Signal to Noise Ratio (SNR)	85 dB
Rise time	4 µs @ 10 kHz
Harmonic distortion	10 W @ 1 kHz → 0.40%
Frequency response	–3 dB, 8 Hz – 71,000 Hz
Power supply energy	300 Joule each unit
Power consumption	210 W each unit
Weight	22 kg each unit
Dimensions (W × D × H)	24.5 × 53 × 23 cm

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