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The EVAL3 mono evaluation kit creates easy signal and power supply connections for a mono 1ET7040SA setup. The kit is developed for evaluation purposes, but is perfect suitably for DIY applications.
Highlights:
Single-channel, analog-input Class D amplifier module
Balanced analog input (XLR) and banana-plug speaker connectors
Extended output power (1x950W @ 2 Ohm)
Negligible THD and IMD
Extraordinarily low noise
Load-invariant response
Exceptionally clean clipping
Low losses & high efficiency
Easy to integrate
Product details:
PURIFI EVAL3 | Eigentakt | 1ET7040SA | Mono Amplifier Kit
The 1ET7040SA amplifier module yields an audio quality level that sets the standard for power amplifiers of any operating class. The power supply and signal connections, available at the pin header on the 1ET7040SA module, require special attention. This EVAL3 provides a buffered input signal and handles the power supply connections for a 1ET7040SA module in a convenient way.
The kit is supplied with a 1ET7040SA amplifier module, one FE03 mono front-end module and a power supply cable set. The FE01 front-end module allows you to easily connect a compatible power supply with the supplied cable set. The signal input is connected through XLR. A set of banana speaker connectors make connecting a speaker easy.
The FE03 front-end module uses the OPA1612 opamp as pre-gain stage and buffer. The total gain for the EVAL3 (FE03 and 1ET7040SA) is 27 dB, but can set for a total gain of 13 dB. The opamp receive their supply voltage through a pair of onboard low noise discrete voltage regulators.
The EVAL3 is compatible with the Hypex SMPS1200A400 configured with unregulated Vaux rails. The supplied cable set has pre-attached connector housings for the FE03 on one end. The other end has pre-crimped terminals with separate connector housings. This allows you to connect the EVAL3 with any compatible power supply. The pre-crimped terminals and supplied JST housings are compatible with the SMPS1200A400.
Looking for a Eigentakt stereo kit? Checkout this PURIFI EVAL1 Stereo Amplifier Kit.
What’s In The Box?
1x 1ET7040SA amplifier module
1x FE03 mono front-end module
1x Power supply cable set
Specifications:
Article number: EVAL3
Rated power output:
1 x 950 watts at 2 ohms
1 x 500 watts at 4 ohms
1 x 250 watts at 8 ohms
Minimum load: 2 ohms
Efficiency: > 94% @ 500W, 4Ω, 1kHz
Signal-to-noise ratio (SNR): 129 dB
Distortion: 0.00035 % THD+N (1kHz, 4 ohms, 200 watts)
Frequency response: 0 - 20,000 Hz
Gain: 13 dB
Input impedance: 4.4k ohms (Diff.) / 2.2k ohms (Singl. End.)
Amplifier Classification: Class D
Circuit Topology: Eigentakt™
Speaker output channels: 1
Power Requirements: 110/220 VAC, 50Hz/60Hz
Current limit: 40A
Dimensions (L x W x H): 170 x 63 x 40,59
