It was great.
The System
Listening with
Sony MDR-Z1R · Headphones: closed-back, dynamic (70 mm), circumaural · discontinued
- Impedance: 64 Ω
- Sensitivity: not published (archived Sony US spec page lists none)
- Frequency response: 4 Hz – 120 kHz
- Plugs / cables supplied: detachable Y-type; 3 m 3.5 mm cable; 1.2 m 4.4 mm balanced cable
- Other: impedance 64 Ω at 1 kHz; 385 g without cable; CCAW voice coil, neodymium
Ultimate Ears Reference Remastered
Burson
Burson Playmate · DAC / headphone amplifier / preamp · discontinued
- Output power (headphone): 16 Ω 1.8 W · 32 Ω 2 W · 100 Ω 0.5 W · 150 Ω 0.3 W · 300 Ω 0.1 W
- Output impedance: <2 Ω (headphone); 15 Ω (pre out)
- Gain: not published
- Inputs: USB (XMOS; PCM to 768 kHz/32-bit, native DSD512); Toslink
- Input impedance: 38 kΩ
- Outputs: RCA pre out; headphone jack (SE)
- DAC / chipset: ESS SABRE32 ES9038 (suffix not stated)
- Other: Original Playmate (Playmate 1); THD <0.002%; FR ±1 dB 0-35 kHz
Also in the system
Drop Grace Design
Specs from manufacturer data unless a source below says otherwise. “calc.” values are worked out from those figures (V = √(P × R); 110 dB SPL used as a loud reference level). Gear listed without specs is not in our spec library yet.
