Ultrafide U4PRE Pre-Amplifier
Ultrafide U4PRE Pre-Amplifier
Ultrafide U4PRE Pre-Amplifier
Ultrafide U4PRE Pre-Amplifier

Ultrafide U4PRE Pre-Amplifier

£4,500.00 GBP.
/
Tax included. Shipping calculated at checkout.
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  • Quad outputs available for use simultaneously, to allow signal distribution for multi-amping of loudspeakers
  • Class A circuits, minimum signal path, simplicity at its core
  • DC (and Super Low Frequency) Coupled Systems
  • Over engineered toroidal power supply
  • Highly configurable ultra premium phono stage – Suitable for use with a wide range of moving magnet and moving coil cartridge
  • Ultra premium, super powerful dsicreet class A/B headphone amplifier
  • OLED screen & Remote control for volume, balance, source select, mute, and standby etc
  • Expansion port for additional future interfaces (carries dc power and signal)
Audio Channels (quantity) 2 Left & Right
Audio Inputs 10 6 RCA (Single Ended)
4 XLR (Balanced)
Input Impedance RCA 47k
Input Impedance XLR 10k
Input RFI Filtering Capacitance RCA 100pF XLR 500pF
Additional Phono Loads (adjustable) 7 steps 80R/500R 7 steps 150pF/470pF
Audio Outputs 10 4 RCA (Single Ended)
4 XLR (Balanced)
2 on ¼ inch H/Phone Jack
Output Impedance Line 75R Headphones 200mR
Maximum Output Line 2.5Vrms Headphones 7Vrms (1.5W)
Voltage Gain Line nominal 0dB
H/Phono nominal +10dB
Phono nominal +35dB to +71dB in 3dB steps
Volume Control Range -95dB to +10dB 1dB steps +-0.05dB
Sensitivity Line 316mV nominal (2.4v max)
Phono (1KHz) 0.16mV to 5 mV for 316mV
Dynamic Range (line) 115dB Un-Weighted 22-22KHz
Phono Johnson Noise Hi gan 0R source EIN-146dBu
Distrotion 0.003%
Power Supply Connector 6A IEC
Fuse 1A
Nominal Power Supply Voltage 115Vac (60Hz) or 230Vac (50Hz)
Power Isolation Switch On Rear Panel
Standby Switch On Front Panel
Remote Standby 2 x Out Connectors on Rear Panel
Power Indicator Green indicates out of standby Red indicates fault
Power consumption Operational 20W Standby 1W
Product size / weight (packed) 590(L) x 405(W) x 152(H)mm 14.65kg (GROSS)
Product size / weight (unpacked) 382(L) x 325(W) x 97(H)mm 13.05kg (NET)
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Our Trustpilot reviews

★★★★★

A truly excellent service both from the initial contact via the website chat to a personalised telephone call to confirm the chosen product and delivery options. Great and many thanks.

Phil
★★★★★

These guys were so helpful! They had a fairly rare item in stock, packaged it up and got it to me in 2 days... very friendly and professional service, would recommend to anyone.

Peter
★★★★★

Great shop for vinyl and all things hifi and Audio visual. Staff are friendly and knowledgeable and won’t try and sell you what you don’t need . Recommended!

Terry
★★★★★

help line with somebody who was human and helpful when I got stuck setting the amp up. 
Recommended.

David
★★★★★

I know it's habitual to shop with the big names like Currys. But you won't find anywhere near this level of service from them, and I'll be sure to keep Holburn in mind for the future. Can't recommend them enough!

Matthew

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