Available to demo at Elise Studio
SPL Phonitor One
SPL Phonitor One
SPL Phonitor One
SPL Phonitor One
SPL Phonitor One
Available to demo at Elise Studio
SPL Phonitor One
SPL Phonitor One
SPL Phonitor One
SPL Phonitor One
SPL Phonitor One

In stock and ready to ship

In Stock and Ready to Ship

Ships in 1 to 3 business days. Monday to Friday, except bank holidays. Subject to stock availability and security checks.

  • Preowned - very good condition

SPL Phonitor One

Audiophile and pro headphone amplifier

  • Up to 0.4W into 47Ω
  • Innovative Phonitor Matrix
  • 2x Burr-Brown OPA2134 opamps for the preamp stage
  • Push pull class AB design
Regular price $460.00
Sale price $460.00 Regular price $658.00
Unit price
Save 30%

VAT and Duties Included for UK and Eligible EU Customers.

If you are outside the UK or EU, the price does not include any taxes. Local taxes and import duties will be extra. They will be raised by the local authorities and billed directly to the customer.

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SPL Phonitor One

SPL Phonitor One

The preamplifier stage

2x Burr-Brown OPA 2134 SoundPlus™ operational amplifiers provide the pre-amplification. These are specially designed for audiophile circuits and are characterised by extremely low noise and minimal distortion of only 0.00008%. Thanks to a true FET stage, the OPA 2134 achieves a slew rate of 20V/µs, making it a high-speed operational amplifier. This has an immediate positive effect on the liveliness of the playback.
In addition, low capacitance film capacitors are installed in the signal path as bypass capacitors of the coupling capacitors, which ensures a more precise transmission of the high-frequency signal components.
The excellent Panasonic ‘Electric Double Layer’ Gold electrolytic capacitors are used as coupling capacitors. They offer the highest storage capacity of all capacitor technologies.

 

The output stage

The output stage of the headphone amplifier is designed as a push-pull amplifier in class AB mode. The bipolar transistors share the amplification of the positive and negative half-waves, which produces a higher gain and a higher output voltage than in Class A operation, where only one transistor amplifies both half-waves. The output stage transistors are thermally coupled and thus run particularly coherently, which contributes to a consistent and stable sound image. The power supply has a buffer circuit with low source resistance, ensuring generous current reserves even when operating low-impedance headphones.

Technical specifications

Dimensions
210 x 49.6 x 220 mm
Frequency range (-3 dB)
10 Hz - 200 kHz
Design type
Push pull class AB
Output Power
190mW@600Ω, 330mW@250Ω, 0.4W@47Ω
Crosstalk (1 kHz, 600 Ω)
-75 dB
THD + N (0 dBu, 10 Hz – 22 kHz, 600 Ω)
0.002 %
Noise (A-weighted, 600 Ω)
-99 dBu
Maximum input gain
22.5dBu
Common mode rejection
< 60 dB
Source Impedance
20Ω

Shipping and Returns

Dispatch
1–3 business days In-stock items, Monday to Friday except bank holidays, subject to stock and security checks.
Delivery
Tracked or signed Delivery options and costs are shown at checkout. We don't profit from shipping charges.
Returns
14 days For electronics such as DACs, amps and players, in like-new condition with all original packaging and accessories.

Good to know

  • Return shipping is paid by the customer.
  • Open box, B-stock, refurbished and clearance items can't be returned.
  • Please add a valid phone number at checkout in case we need to verify your identity.

Warranty

New products
1-year manufacturer warranty Most products. The exact warranty is set by the manufacturer.
Pre-owned & open box
3 months B-grade, open box, refurbished, ex-demo and second-hand items.
Covered
Defects in materials, parts and workmanship
Not covered
Accidents, misuse and unauthorised repairs Including abnormal conditions, deliberate abuse and operator error.
Making a claim
Send it to us, we ship it back free You cover shipping to Elise Audio; we pay to send the repaired or replacement product back.

The preamplifier stage

2x Burr-Brown OPA 2134 SoundPlus™ operational amplifiers provide the pre-amplification. These are specially designed for audiophile circuits and are characterised by extremely low noise and minimal distortion of only 0.00008%. Thanks to a true FET stage, the OPA 2134 achieves a slew rate of 20V/µs, making it a high-speed operational amplifier. This has an immediate positive effect on the liveliness of the playback.
In addition, low capacitance film capacitors are installed in the signal path as bypass capacitors of the coupling capacitors, which ensures a more precise transmission of the high-frequency signal components.
The excellent Panasonic ‘Electric Double Layer’ Gold electrolytic capacitors are used as coupling capacitors. They offer the highest storage capacity of all capacitor technologies.

 

The output stage

The output stage of the headphone amplifier is designed as a push-pull amplifier in class AB mode. The bipolar transistors share the amplification of the positive and negative half-waves, which produces a higher gain and a higher output voltage than in Class A operation, where only one transistor amplifies both half-waves. The output stage transistors are thermally coupled and thus run particularly coherently, which contributes to a consistent and stable sound image. The power supply has a buffer circuit with low source resistance, ensuring generous current reserves even when operating low-impedance headphones.

Dimensions
210 x 49.6 x 220 mm
Frequency range (-3 dB)
10 Hz - 200 kHz
Design type
Push pull class AB
Output Power
190mW@600Ω, 330mW@250Ω, 0.4W@47Ω
Crosstalk (1 kHz, 600 Ω)
-75 dB
THD + N (0 dBu, 10 Hz – 22 kHz, 600 Ω)
0.002 %
Noise (A-weighted, 600 Ω)
-99 dBu
Maximum input gain
22.5dBu
Common mode rejection
< 60 dB
Source Impedance
20Ω
Dispatch
1–3 business days In-stock items, Monday to Friday except bank holidays, subject to stock and security checks.
Delivery
Tracked or signed Delivery options and costs are shown at checkout. We don't profit from shipping charges.
Returns
14 days For electronics such as DACs, amps and players, in like-new condition with all original packaging and accessories.

Good to know

  • Return shipping is paid by the customer.
  • Open box, B-stock, refurbished and clearance items can't be returned.
  • Please add a valid phone number at checkout in case we need to verify your identity.
New products
1-year manufacturer warranty Most products. The exact warranty is set by the manufacturer.
Pre-owned & open box
3 months B-grade, open box, refurbished, ex-demo and second-hand items.
Covered
Defects in materials, parts and workmanship
Not covered
Accidents, misuse and unauthorised repairs Including abnormal conditions, deliberate abuse and operator error.
Making a claim
Send it to us, we ship it back free You cover shipping to Elise Audio; we pay to send the repaired or replacement product back.

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